HP LaserJet And Color MFP Security Checklist Enterprise Printers Scanners Imaging Printing Best Practices C03137192

User Manual: HP HP Enterprise printers and scanners - Imaging and Printing Security Best Practices

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HP Printing Security Best Practices for HP
LaserJet Enterprise Printers and HP Web
Jetadmin
Configuring a Printer Securely in HP Web Jetadmin 10.3
Version 2.2
HP Scanjet Enterprise 7000n
HP Scanjet Enterprise 8500fn1
HP Color LaserJet Enterprise CP5520/CP5525
HP Color LaserJet Enterprise CM4540 MFP
HP LaserJet M4555 MFP
HP LaserJet 500 MFP M525
HP LaserJet 500 Color M551
HP Color LaserJet Enterprise M552
HP Color LaserJet Enterprise M553
HP LaserJet 500 Color MFP M575
HP LaserJet Enterprise 600 M601
HP LaserJet Enterprise 600 M602
HP LaserJet Enterprise 600 M603
HP LaserJet Enterprise M604
HP LaserJet Enterprise M605
HP LaserJet Enterprise M606
HP LaserJet Enterprise M651
HP LaserJet Enterprise MFP M680
HP LaserJet 700 M712
HP LaserJet Enterprise MFP M725
HP LaserJet 700 Color MFP M775
HP LaserJet 800 M806
HP LaserJet Enterprise Flow MFP M830
HP LaserJet 800 Color M855
HP LaserJet 800 Color MFP M880
HP OfficeJet Enterprise X555
HP OfficeJet Enterprise X585

Table of Contents
Table of Contents ................................................................................................................ i
Chapter 1: Introduction ....................................................................................................... 1
Cautions ........................................................................................................................ 2
Follow the Checklist in Order ........................................................................................ 2
Understand the Ramifications........................................................................................ 2
Continue to be Vigilant ................................................................................................ 3
MFP Environment ............................................................................................................ 3
Assumptions ................................................................................................................... 3
Solutions covered ........................................................................................................... 4
Organization ................................................................................................................. 4
Chapter 2: Threat Model ..................................................................................................... 5
Spoofing Identity ............................................................................................................ 5
Tampering with Data ....................................................................................................... 6
Repudiation ................................................................................................................... 6
Information Disclosure ..................................................................................................... 7
Denial of Service ............................................................................................................ 7
Elevation of Privilege ....................................................................................................... 8
Chapter 3: Basic Network Security for Multiple HP Devices ...................................................... 9
Notes on the Process of Configuration ............................................................................... 9
Using Web Jetadmin and Printer Passwords ................................................................... 9
Getting Started ............................................................................................................. 11
Setting up HP Web Jetadmin ...................................................................................... 12
Configuring HP Secure Hard Disk ............................................................................... 14
Configuring SNMPv3 ................................................................................................ 16
Configuring Device Settings ........................................................................................... 19
I/O Timeout to End Print Job....................................................................................... 19
Input Auto Continue Timeout ....................................................................................... 20
Job Hold Timeout ...................................................................................................... 20
Job Retention ............................................................................................................ 21
Job Storage Limit ...................................................................................................... 22
Apply the Changes ................................................................................................... 22
Configuring Network Settings ......................................................................................... 24
e-Print and HP Web Services Settings .......................................................................... 24
Error Handling ......................................................................................................... 24
HTTP Idle Timeout ..................................................................................................... 26
Network Enable Features ........................................................................................... 27
Protocol Stacks ......................................................................................................... 31
TCP Idle Timeout ....................................................................................................... 32
Web Services Print .................................................................................................... 32
Apply your Changes ................................................................................................. 33
Configuring Security Settings .......................................................................................... 33
Bootloader Password ................................................................................................. 33
Digital Sending Service.............................................................................................. 34
Embedded Web Server Password ............................................................................... 34
Enable Host USB....................................................................................................... 35
Encrypt all Web Communication ................................................................................. 36

HP LaserJet and Color LaserJet MFP Security Checklist

Encryption Strength ................................................................................................... 36
Open/Print from USB Device ...................................................................................... 36
PJL Password ............................................................................................................ 37
Printer Firmware Update ............................................................................................ 37
Restrict Color............................................................................................................ 38
Secure Disk Password ................................................................................................ 38
Apply the Changes ................................................................................................... 39
Configuring Fax Settings ................................................................................................ 39
Blocked Fax List Settings ............................................................................................ 39
Fax Header Settings .................................................................................................. 40
Additional Fax Configuration...................................................................................... 41
Configuring MFP File System Settings .............................................................................. 43
File System External Access ........................................................................................ 43
Secure File Erase Mode ............................................................................................. 43
Apply the Changes ................................................................................................... 44
Configuring MFP Digital Sending Settings ........................................................................ 44
Auto Reset Send Settings ............................................................................................ 45
Email Address/Message Settings - Default From Address ................................................ 45
Apply the Changes ................................................................................................... 46
Configuring Final Settings .............................................................................................. 46
Disabling Direct Ports ................................................................................................ 46
Disabling EWS Config............................................................................................... 47
Chapter 4: Advanced Security for Multiple HP Devices .......................................................... 48
Access Control for Device Functions ............................................................................ 48
Access Control List (ACL) ............................................................................................ 50
LDAP ....................................................................................................................... 52
Security Features Available Through the Embedded Web ................................................... 52
LLMNR .................................................................................................................... 53
HP Jetdirect XML Server ............................................................................................. 53
Certificate Management Service ................................................................................. 54
Enable WINS Port..................................................................................................... 54
IPPS ........................................................................................................................ 55
Disable Display Print Page and Job Log on EWS information tab ..................................... 56
Information Tab requires administrator access ............................................................... 57
TFTP Configuration File .............................................................................................. 57
HP & 3rd Party Solutions ............................................................................................. 58
Chapter 5: Settings List ...................................................................................................... 60
Recommended Basic Settings.......................................................................................... 60
Initial Settings ........................................................................................................... 60
Device Category Settings ........................................................................................... 60
Network Category Options ........................................................................................ 60
Security Category Options ......................................................................................... 61
Fax Category Options ............................................................................................... 61
Additional Fax Configuration...................................................................................... 61
MFP File System Options ............................................................................................ 62
Digital Sending Settings Options ................................................................................. 62
Final configurations ................................................................................................... 62
Chapter 6: Default Settings: ............................................................................................... 63
Chapter 7: Ramifications ................................................................................................... 65

HP LaserJet and Color LaserJet MFP Security Checklist

Initial Settings ........................................................................................................... 65
Device Page Settings ................................................................................................. 66
Network Options ...................................................................................................... 66
Security Options ....................................................................................................... 68
Embedded Web Server Options ................................................................................. 69
Fax Options ............................................................................................................. 71
Additional Fax Configuration...................................................................................... 71
File System Options ................................................................................................... 72
Digital Sending Options............................................................................................. 73
Final Configurations .................................................................................................. 73
Overall Limitations .................................................................................................... 74
Chapter 8: Physical Security............................................................................................... 75
Chapter 9: Appendix 1: Glossary of Terms and Acronyms ..................................................... 76

HP LaserJet and Color LaserJet MFP Security Checklist

iii

Chapter 1: Introduction
This document is a security checklist for the following HP device models:
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Scanjet Enterprise 7000n
Scanjet Enterprise 8500fn1
Color LaserJet Enterprise CP5520/CP5525
Color LaserJet Enterprise CM4540 MFP
LaserJet M4555 MFP
LaserJet 500 MFP M525
LaserJet 500 Color M551
Color LaserJet Enterprise M552
Color LaserJet Enterprise M553
LaserJet 500 Color MFP M575
LaserJet Enterprise 600 M601
LaserJet Enterprise 600 M602
LaserJet Enterprise 600 M603
LaserJet Enterprise M604
LaserJet Enterprise M605
LaserJet Enterprise M606
LaserJet Enterprise M651
LaserJet Enterprise MFP M680
LaserJet 700 M712
LaserJet Enterprise MFP M725
LaserJet 700 Color MFP M775
LaserJet 800 M806
LaserJet Enterprise Flow MFP M830
LaserJet 800 Color M855
LaserJet 800 Color MFP M880
OfficeJet Enterprise X555
OfficeJet Enterprise X585

This checklist is written for acceptance by the National Institute of Standards and Technology
(NIST). It will be available at the NIST Checklist website at the conclusion of the review process.
This checklist is meant for trained network administrators who use HP Web Jetadmin version 10.3
or above in enterprise networks. It includes step-by-step instructions to configure one or more MFPs
on a network.
This checklist assumes that network administrators are familiar with HP Web Jetadmin and
management of HP MFPs and printers. Network administrators should be familiar with the MFP
Embedded Web Server (EWS), HP Jetdirect, and firmware upgrades for Jetdirect and MFPs. Refer
to the MFP User Guides and the HP Jetdirect Administrator Guide for more information. You can
find these documents and more information by searching at hp.com.
HP Web Jetadmin is the recommended management tool for all HP network printing and digital
sending products. It handles all settings recommended for best security in this document and much
more. It is available free for download and installation at the following location:
http://www.hp.com/go/webjetadmin

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HP LaserJet and Color LaserJet MFP Security Checklist

You can also find HP Web Jetadmin by searching for it at hp.com.
This checklist applies to most types of networks; however, it is developed and tested in the
following environment:
•
•

•

An ordinary TCP/IP network
HP Web Jetadmin Version 10.3 installed on one of the follow OS:
• Microsoft Windows Server 2012 R2
• Microsoft Windows Server 2012
• Microsoft Windows Server 2008 R2 SP1
• Microsoft Windows 7 SP1 (64-bit edition only)
Client management PC using one of the following OS with Microsoft Internet Explorer 8, 9,
10, or 11:
• Microsoft Windows Server 2012 R2
• Microsoft Windows Server 2012
• Microsoft Windows Server 2008 R2 SP1
• Microsoft Windows 8.1
• Microsoft Windows 8
• Microsoft Windows 7 SP1
One of each supported MFP with the latest updated firmware found at hp.com

We developed the process for configuring this checklist using HP Web Jetadmin to manage all of
the MFPs at the same time.
This checklist covers only those parts of HP Web Jetadmin that pertain to appropriate security
settings. See the user guides, admin guides, and help files for information on other configurations.

Cautions
HP is dedicated to providing the best and latest security information available for MFPs. This
checklist is meant to help you to improve MFP security in your workplace. HP has tested this
checklist to ensure that MFPs continue to provide the best possible performance while averting
possible security threats; however, some of these settings can cause unexpected problems in your
environment especially if you are using custom print solutions. Please be aware of the following
cautions before you begin:

Follow the Checklist in Order
The settings in this checklist are presented in a specific order to ensure success. Many of these
security settings can be configured successfully only in the correct order. You should follow the
instructions in this checklist exactly and avoid making additional configurations during this process.
Other settings can disrupt the order and cause unexpected results.

Understand the Ramifications
HP Web Jetadmin and MFPs include a wide variety of useful settings designed to make work easier
and more productive. However, raising the level of security may require sacrifices in these areas.
Be aware that applying this checklist will limit or even eliminate some of these features. See the
Ramifications chapter for more information.
HP provides this checklist as a guide to best-practice security configurations that allow for
reasonable convenience and usability. Some of the recommended settings create extra steps when

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HP LaserJet and Color LaserJet MFP Security Checklist

accessing and managing MFPs. For instance, once you disable EWS configuration, you cannot
access it again until you re-enable EWS configuration from HP Web Jetadmin.
These settings are tested in a variety of conditions and using various combinations of simulated
customer environments. Testing includes configuring all of the MFPs at the same time and verifying
that the affected features continue to function. However, it is impossible to test these configurations
in all possible network environments. You should test these settings in your environment to ensure
that you understand their effects. You may find that some of the settings cause undesirable
limitations. See the Ramifications section for further information and cautions.

Continue to be Vigilant

This checklist is provided only as a complementary guide to known best practices for increasing
MFP security. HP does not claim or warrant that these configurations prevent misuse of MFPs or
networks or that they prevent malicious attacks on MFPs or networks. Use this document at your
own risk.

MFP Environment
NIST defines several types of user environments, many of which are compatible with HP LaserJet
and Color LaserJet MFPs. However, this checklist applies for HP devices and MFPs in an enterprise
environment or a small to medium business environment. These environments use most of the
network features available with MFPs. Configuration of the NIST checklist in this document primarily
uses HP Web Jetadmin unless a security feature can only be configured using the EWS. You should
configure as much of this checklist as possible while adapting the settings to your specific situation.

Assumptions
This checklist makes some assumptions about network administrators and about enterprise
environments:
•

Network administrators: This checklist assumes that readers are trained network
administrators who are familiar with common networking practices such as configuring HP
Jetdirect connections and using HP Web Jetadmin. Administrators should have read the
MFP user guide, the MFP administrator guide, the Jetdirect administrator guide; Web
Jetadmin user guides, and help files. This checklist relies on these materials for necessary
information. All of these guides are available by searching for them at hp.com.

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MFPs: This checklist covers security settings for specific HP devices outlined at the
beginning of this document. It is meant to enable you to configure multiple devices
simultaneously. It assumes that the devices are turned on, connected to the network, and in
the factory default state.
Most of the settings recommended in this checklist apply to other HP MFPs and devices;
however, this checklist is tested and known to be successful only with the specified device
models.

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Updated firmware: This checklist assumes that each device has updated system firmware
and Jetdirect firmware (if a Jetdirect card is in use). You should use the latest firmware
available, but realize that updated firmware may have new features not covered in this
checklist. Updated firmware is available for download and installation at hp.com.

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HP LaserJet and Color LaserJet MFP Security Checklist

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Web Jetadmin Version 10.3: This checklist is written for use with HP Web Jetadmin Version
10.3 and above.

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Enterprise environment: This checklist is created and tested in a TCP/IP enterprise
environment. However, most of the settings are applicable to any network.

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Network connection: This checklist assumes that each device is connected directly to a
local area network via Jetdirect or Jetdirect inside (JDI). Other connections, such as directconnect via parallel cable or via USB are not covered in this checklist (this checklist
recommends disabling direct-connect ports).

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Settings are only suggested: All settings in this checklist are meant only as suggestions for
best-practice security in common enterprise environments. Use it as a reference, and make
judgments about each recommended setting before configuring your MFPs.

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Internet and intranet security: This checklist assumes that your network includes basic
security configurations and components. All MFPs should be installed behind network
firewalls and other standard tools such as updated virus protection applications.

Solutions covered
This checklist covers MFP security settings found in HP Web Jetadmin. This checklist covers no other
solutions or applications.

Organization
This checklist includes the following chapters:
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Chapter 2: Threat Model: The Threat Model chapter explains the security circumstances
relating to MFPs. It follows the Microsoft® STRIDE model.

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Chapter3: Basic Network Security for Multiple HP Devices: The Network Security for
Multiple MFPs chapter provides step-by-step instructions for configuring MFP security
settings.

•

Chapter 5: 4: Advanced Security for Multiple HP Devices: The Advanced Security for
Multiple HP Devices provides some limited information on where to find configuration
settings in WJA for advanced network configurations.

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Chapter 5: Settings List: The Settings List chapter provides a bulleted list of the
recommended settings with checkboxes. It does not include instructions or explanations.

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Chapter 6: Default Settings: The Default Settings chapter lists each recommended setting
with its corresponding default setting.

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Ramifications: The Ramifications chapter explains the possible limitations implied with each
recommended setting.

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Chapter 8: Physical Security: The Physical Security chapter explains security concerns in
workplaces where MFPs are installed. It covers security for picking up print jobs, copying,
and scanning. This section includes suggestions for securing the locations where MFPs are
installed and for securing MFP internal hardware.

•

Chapter 9: Appendix 1, Glossary and Acronyms.

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HP LaserJet and Color LaserJet MFP Security Checklist

Chapter 2: Threat Model
This section explains the types of security risks involved with operating MFPs in enterprise
environments.
As technology improves, malicious people (hackers) continue to find new ways to exploit networks.
They are beginning to target MFPs and other network peripherals to misuse resources or to gain
access to networks or the internet. Predicting the actions of a hacker is difficult, but HP is dedicated
to research in this area. This checklist represents some of HP's efforts to ensure that you can use HP
MFPs with confidence; however, you should continue to be ware and always remain vigilant. Use
other techniques with this checklist to help ensure that your network is resistant to compromise.
NOTE:
This is not a comprehensive treatment of these issues. This chapter is
only an introduction to the types of threats known to affect network
MFPs.

The Microsoft STRIDE model provides a valuable outline to categorize these known types of threats:
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Spoofing identity

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Tampering with data

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Repudiation

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Information disclosure

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Denial of service

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Elevation of privilege

The following sections explain how each type of threat relates to MFPs:

Spoofing Identity
Spoofing identity is masquerading as someone else to fool others or to get unauthorized access.
Here are some ways spoofing identity can relate to MFPs:
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Placing another person's email address in the From address field of an email message.
Example: Someone could place the address of a co-worker in the From address field and
send embarrassing or malicious messages to others as though the co-worker wrote them.

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Using another person's email credentials to log in to the email server to gain access to
address books

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Using another person's email credentials to have free use of an email service

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Using another person's email credentials to view that person’s email messages

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Using another person's log on credentials for access to use MFPs or networks

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Using another person's log on credentials for administrative access to MFPs

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HP LaserJet and Color LaserJet MFP Security Checklist

You can minimize the risks from identity spoofing in the following ways:
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Protect the from address field in the MFP Digital Sending and Fax configurations.

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Protect MFP disk access.

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Configure authentication.

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Configure the administrator password.

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Configure SNMPv3.

Tampering with Data
Tampering with data can include any method of changing, destroying, or adding to information
that is flowing to or from a device or stored on it. Here are some ways tampering with data can
relate to MFPs:
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Canceling another person's job. Someone could use a remote access tool to cancel
pending jobs. The person who sent a cancelled job gets no warning; only part or none of
the job is printed.

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Intercepting a print job before it reaches the device, altering it, and sending it on to the
device.

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Intercepting remote configuration data, such as communications between Web Jetadmin
and the device, to get passwords and other information

You can minimize the risks from data tampering in the following ways:
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Disable Cancel Job button.

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Disable Go (Pause) button.

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Configure SNMPv3.

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Prevent unnecessary remote access: close down all unused ports and protocols.

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Set the PJL and File System password.

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Configure HTTPS for EWS access.

Repudiation
Repudiation is using an MFP without leaving usage information. This includes preventing the MFP
from logging data or bypassing security checks such as user authentication. This also includes
finding ways to use an MFP without paying by bypassing job accounting software. Here are some
ways repudiation can relate to MFPs:
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Accessing usage logs to delete entries

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Removing origination information from file metadata

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Bypassing user authentication

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Using remote management software to access the MFP

You can minimize the risks of repudiation in the following ways:

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HP LaserJet and Color LaserJet MFP Security Checklist

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Enable embedded IPsec to encrypt the data stream to include log data and file metadata

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Close unused ports and protocols.

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Save copies of log data at a separate location

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Add security solutions such as smartcard, swipe-card and thumbprint readers

Information Disclosure
Information disclosure is gathering information from an MFP and providing it to unauthorized users.
This can include authentication information, usage log information, or information from the contents
of a job. Such data stored on your hard drive is considered ‘at rest’ while data being transmitted
by your MFP device is considered ‘in transit’. Here are some ways information disclosure can relate
to an MFP:
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Reading stored print jobs on the MFP hard drive.

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Downloading log information

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Downloading address books

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Intercepting print jobs, copy jobs, fax jobs, or digital send jobs (such as email).

You can minimize the risks of information disclosure in the following ways:
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Enable IPsec to protect data in transit.

•

Use hardware encryption to protect data at rest. Some devices may include an encrypted
disk. If not, you can add an HP Secure Hard Disk accessory to protect data stored on your
MFP. (Look for this product at hp.com or contact your HP product supplier).

•

Close unused ports and protocols.

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Configure all possible password settings.

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Configure authentication.

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Configure SNMPv3 for Web Jetadmin.

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Disable viewing of job information on the EWS information tab

Denial of Service
Denial of service is any type of interference with normal use of an MFP. This can include any of the
following:
•

Canceling or pausing the print jobs of others

•

Turning off the MFP remotely

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Disconnecting power to the MFP

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Removing the MFP formatter board

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Disconnecting the MFP from the network

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Causing interference with network communication to the MFP

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Changing the network location of the MFP

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HP LaserJet and Color LaserJet MFP Security Checklist

•

Causing an error state that interrupts service

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Changing access configurations

Here are some methods of minimizing opportunities for denial of service on an MFP:
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Lock the control panel by configuring Access Controls.

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Lock EWS configuration settings.

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Close unused ports and protocols.

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Disable controls such as the Job Cancel button and the Go button.

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Enable the resume feature to allow the MFP to resume operations after an error state.

•

Configure Job Timeout.

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Control physical access to the MFP.

•

Lock physical access to removable hardware.

Elevation of Privilege
Elevation of privilege is any method of upgrading authorized access to include unauthorized
access. This can be any of the following:
•

Non-administrators changing settings to get administrator privileges

•

Unauthorized use of management software to provide access for other unauthorized users

•

Using management software to bypass job accounting functions

Here are some methods of minimizing opportunities for elevation of privilege:
•

Configure the administrator (device) password.

•

Configure the PJL password.

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Configure SNMPv3 and HTTPS.

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Lock available control panel menus by configuring user access.

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HP LaserJet and Color LaserJet MFP Security Checklist

Chapter 3: Basic Network Security for Multiple HP Devices
This chapter explains how to configure security settings for one or more printers using HP Web
Jetadmin. It assumes that you have taken or plan to take reasonable steps to secure the network
environment in which your MFPs are operating. This includes configuring network firewalls and
providing up-to-date virus controls. If you need help doing this or are looking for information on
ACL, Kerberos, PIN authentication, LDAP, or Solutions please refer to the chapter on Advanced
Security before continuing.

Notes on the Process of Configuration
This checklist covers all relevant security settings available for both printers and MFPs. Testing
shows that this combination of settings is successful in the most common network environments as
long as the settings are executed in the correct order.
After each setting in the checklist is applied, it is important that you verify configuration to ensure
this order is maintained. If a setting was not applied, attempt to set that setting again. If you have
further issues with a particular configuration item, you can try using the individual configuration
pages, or setting that item through the EWS if available.
Keep in mind that every network is different. Configuring an MFP for your network may require
adjustments to this configuration. Be aware of your network environment and consider the right
configurations for your situation.
Also, keep in mind that each model of MFP may have unique sets of available settings. For
instance, LaserJet (black and white only) MFPs do not provide settings to restrict color printing.
However, Web Jetadmin lists the aggregate of all possible settings for all MFPs you are managing.
You can select settings for all MFPs, and each individual MFP will accept configurations according
to its capabilities and ignore settings that do not apply.
All of the settings in this chapter are found in HP Web Jetadmin, and you should use Web Jetadmin
to complete them. If possible, try to complete all of the steps in the correct order.
Tip:
Use a printout of the Settings List chapter to check off each item as you
go along.

Using Web Jetadmin and Printer Passwords
Web Jetadmin is a powerful tool that allows you to manage any number of MFPs and printers. It
provides the ability to configure a wide variety of features and services on the network. Without
proper security, Web Jetadmin allows malicious users the same conveniences for attacking your
network. Thus, configuring security features and passwords and updating them regularly for Web
Jetadmin and MFPs is important to network security.
This involves several passwords that limit access to important areas of the printer or MFP. When
you attempt to make changes to configurations, the printers and MFPs will require all applicable
passwords. Web Jetadmin keeps an encrypted cache of all of these passwords for each MFP
whenever they are configured or used. However, sometimes the cache can lose track of some
credentials. Thus, you should keep a log of the passwords in a safe place. Web Jetadmin will
prompt for passwords during the configuration process if they are missing from the cache.
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HP LaserJet and Color LaserJet MFP Security Checklist

CAUTION:
Losing passwords can block access to an MFP. Be careful to record them
in a safe place.

Here is a list of the passwords you should configure:
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Web Jetadmin password (required during installation of Web Jetadmin)

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SNMPv3 credentials

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EWS Password (Applies to the EWS, JetDirect networking, and FTP)

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PJL password

Use good practices for setting and updating passwords (some of the password settings have
limitations on what and how many characters may be used):
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Use alpha and numeric characters whenever possible.

•

For numeric only passwords use passwords with at least nine digits.

•

Use a different password for each password setting. Many of the latest password cracking
tools can follow patterns to make guessing easier.

•

Avoid using a pattern for passwords.

•

Change the passwords often with the exception of your HP Secure Hard Disk password.
Changing your HP Secure Hard Disk password (Drive Lock Key) causes a loss of all data
on your disk and system security settings
Use the maximum number of possible characters. Many of the password settings will
accept as few as one character, but one character is easy to guess. Current data shows
that nine characters or more are extremely difficult or almost impossible to guess using the
latest password cracking tools.
Use complicated passwords. Use a variety of character types. Some of the passwords
allow only numeric digits, but others can accept 96 or more different characters (upper
case, lower case, numeric, special characters, and punctuation marks).
Use meaningless random passwords. Passwords that are real words or phrases are easier
to guess. The latest password cracking tools follow dictionaries to narrow down the
possibilities.
Record the passwords in a safe but hidden place. The passwords are designed to restrict
access to management options on the MFPs. Losing a password can eliminate your access
to settings. This is most important for the Bootloader Password. The Bootloader Password is
a permanent setting that can never be changed or reset without the correct password.

•

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HP LaserJet and Color LaserJet MFP Security Checklist

Getting Started
This section provides instructions for configuring HP printers for best-practice security. All of these
settings are presented for HP Web Jetadmin Version 10.3 or later.
Note:
If you are setting this checklist for a group of several printers at once,
Web Jetadmin will display all supported settings for all the MFPs it is
managing, even though some of the MFPs may not support all of these
settings. Each MFP ignores settings that do not apply to it and continues
without issues. For instance, color settings are ignored for a non-color
MFP.
For the same reason, some of the settings may not appear in HP Web
Jetadmin if none of your MFPs supports them. Web Jetadmin displays
only the options that apply to the MFPs you are managing. For instance,
color settings will not appear if none of your MFPs has color. Ignore
recommendations in this checklist if they do not appear on your Web
Jetadmin screen.

Before you begin, be sure to install HP Web Jetadmin Version 10.3 or later, and have it working in
your network environment. You can find Web Jetadmin free for download and installation at the
following location on hp.com:
http://www.hp.com/go/webjetadmin
Be sure to update Web Jetadmin Version 10.3 or later with the latest upgrades available from HP.
See the HP Web Jetadmin Update page in the Product Update, Install menu.
Note:
This checklist was written using screenshots from Web Jetadmin 10.3

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HP LaserJet and Color LaserJet MFP Security Checklist

Setting up HP Web Jetadmin

Follow these instructions to prepare Web Jetadmin for configuring the MFPs:
Open Web Jetadmin to view the device list (Figure 1) that appears by default.

Figure 1: Web Jetadmin showing the device list on the default view.

Check to see that the print devices you wish to configure appear in the Device Model List. If they
are not in the list, use the Discovery options to find the print devices on your network.
Note:
This checklist does not include details on print device discovery. See
Web Jetadmin user guidance for more information. In most cases, the
devices will already appear in the default view of Web Jetadmin. It is
possible for Web Jetadmin to lose contact temporarily with a device that
is configured for DHCP. Use the Discovery options to restore contact, or
configure the devices with static IP addresses.

Hold down the CTRL key and click to select the printers or MFPs to configure in the Device List view
(Figure 2).

Figure 2: The Device List showing multiple devices selected.

Note:
Remember that the steps in this checklist are for the specified HP LaserJet
and Color LaserJet MFPs. Other devices may appear in the Device
Model list, and it may be possible to configure them using this process,
but the results may vary.

Click the Config tab in the lower half of the Device List view to show settings available for
configuration (Figure 3).

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Figure 3: The Config tab displays settings available for configuration.

Tip:
If you are having a problem configuring a setting, try configuring it
using the individual device’s configuration page. You can also attempt
to configure the setting using the EWS of the device.
Sometimes Web Jetadmin can lose track of device credentials. If this
happens, some settings might fail. Clear the Web Jetadmin Device
Cache (see Web Jetadmin Help) and re-enter the device credentials.

The next step is to ensure that any installed HP Secure Hard Disks are configured:

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Configuring HP Secure Hard Disk

If you have an HP Secure Hard Disk installed you need to verify data encryption is enabled (this
should happen by default after initial hard drive installation).

WARNING:
If your HP Secure Hard Disk is not already
configured to encrypt your data, consult your documentation to resolve
this issue. Failing to configure your HP Secure Hard Disk before starting
this checklist will reset all security settings to factory defaults and require
you to repeat this checklist again when you configure the drive.

Follow these steps to use Web Jetadmin to verify your HP Secure Hard Disk is installed and
configured:
1. Select the device you want to verify has an encrypted disk and mouse over the Storage
Media column. If the column is not visible in your view, you will need to add it as a visible
column.
2. Examine the storage media data available in the pop-up it should show that the hard drive
is enabled and the encryption status should be encrypted.

Figure 4: Shows the Storage Media pop-up details.

Figure 4 is an example of a disk that has not been encrypted. Encryption Status will also report
Disk not Encryptable if the drive is not capable of encryption.

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Follow these steps to use the EWS to verify your HP Secure Hard Disk is installed and configured:
1. Go to the EWS for each print device and select the Security tab. (Figure 5).

Figure 5: Shows the content of the Security tab of your devices EWS.

2. Select Protect Stored Data from the right hand menu list to view the Protect Stored Data
Page (Figure 6).

Figure 6: Shows the Protect Stored Data settings page in the EWS.

3. In the Hard Disk Status section of the Protect Stored Data page, you can see the Encryption
Status for that device. If you see a green checkmark, the device is encrypting your data
properly (Figure 7).

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Figure 7: Shows the Hard Disk Status a green check means an encrypted disk is Installed and Encrypted.

Note:
If your MFP is reporting an installed HP Secure Disk but its status is
anything other than Encrypted it is recommended you resolve the issues
with your HP Secure Disk before continuing this checklist. If you do not
you may need to re-apply the entire checklist to the MFP.

The next step is to configure secure communications between HP Web Jetadmin and the MFPs:

Configuring SNMPv3

SNMPv3 provides encryption for communication between Web Jetadmin and MFPs. It helps to
ensure that only authorized and authenticated administrators have access to the configuration
settings of the MFPs. It also helps to ensure that no one can gather sensitive information, such as
passwords, usernames, and other codes, over the network while you are configuring the MFPs.
Note:
It is best to configure SNMPv3 by itself to ensure that the settings save
properly.

Follow these steps:
Click Security in the Configuration Categories menu (Figure 8) to view the options for
configuration. From the Security Options select SNMP Version Access Control.

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Figure 8: The Security category and SNMP Version Access Control settings.

On the SNMP Version Access Control menu, and select the Enable SNMPv3 checkbox
(Figure 9).

Figure 9: Shows Enable SNMPv3 selected.

Once Enable SNMPv3 has been selected, and fill in the New User, the New
Authentication Passphrase, and the New Privacy Passphrase fields (Figure 10) in the
New SNMPv3 Credential section. See below for details.

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Figure 10: The Enable SNMPv3 option has been selected and the New SNMPv3 Credential section is complete.

The New User Name field can be any name you choose.
The New Authentication Passphrase field can be any word or phrase that is at least 9
alphanumeric characters.
The New Privacy Passphrase field can be any word or phrase that is at least 9
alphanumeric characters.
CAUTION:
These instructions are for the initial configuration of SNMPv3. Once you
finish this configuration, your devices will require these credentials
whenever anyone attempts to access settings over the network. Be sure
to remember these credentials and provide them only to authorized
users. If these credentials are forgotten, the only way to restore
communication between HP Web Jetadmin and the print devices is to
restore them to factory default settings.
Web Jetadmin retains the SNMPv3 credentials for each device, and it
will not prompt for them as long as the settings remain the same. You
can clear the Web Jetadmin Device Cache to cause Web Jetadmin to
require the credentials again. Web Jetadmin stores the SNMPv3
credentials in an encrypted form.

Scroll down to the SNMPv1 Settings section, and select SNMPv1 disabled (Figure 11).

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Figure 11: The SNMP Version 3 Only setting.

This setting limits all SNMP configuration communication to only SNMPv 3. Once applied your
devices will not allow SNMPv1 SET and SNMPv2 GET.
Choose Apply at the bottom of the SNMP Version Access Control configuration to apply the
settings to the selected devices.
If your configuration is not successful, you can click the Details button for more information on
why the configuration failed.
Now, whenever you click Apply to configure settings, the MFP or other device will check for the
SNMPv3 credentials.

Note:
For convenience, Web Jetadmin stores the credentials for each device in
an encrypted format. However, Web Jetadmin may still prompt you for
credentials on occasion so remember the passwords you set.

1. Click Done to exit the Configure Devices dialogue, and continue with this checklist.

Configuring Device Settings
The Device category includes settings that affect some of the normal use of the print device. The
following settings affect how jobs are stored, and how long your print device will wait before a job
times out in a particular way.
1. Click the Device category on the Config tab, to view the following configuration options:

I/O Timeout to End Print Job
The I/O Timeout to End Print Job allows you to specify the amount of time a device should wait
between packets before canceling a job. Setting this timeout will help prevent jobs formed or sent
incorrectly from tying up a print resource. To set this timeout follow the instructions below.
From the Device category select the I/O Timeout to End Print Job menu (Figure 12).
Click checkbox to enable the I/O Timeout to End Print Job setting, and select a reasonable
time the print device should wait between data packets.

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Figure 12: The I/O Timeout to End Print Job options.

Input Auto Continue Timeout
The Input Auto Continue Timeout allows you to specify the amount of time a device should wait
before performing the default action when the specified media size for a job is not available.
Setting this timeout will help prevent jobs sent with improper paper or media selections from tying
up a print resource. To set this timeout follow the instructions below.
From the Device category, select the Input Auto Continue Timeout menu.
Click checkbox to enable the Input Auto Continue Timeout setting, and select a reasonable
time the print device should wait between data packets.

Figure 13: The Input Auto Continue Timeout options.

Job Hold Timeout
From the Device category select the Job Hold Timeout menu (Figure 14).
Click checkbox to enable the Job Hold Timeout (Figure 14) setting, and select a reasonable
time for printing. This ensures that stored copy and print jobs on the MFP are erased after a
reasonable time.

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Figure 14: The Job Hold Timeout options.

Job Retention
From the Device category select Job Retention (Figure 15).
Click checkbox to select Job Retention and select Enabled.

Figure 15: The Job Retention options.

This allows users to store print jobs for printing at their discretion (when they can be present to
control the printouts and keep them from view).

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Job Storage Limit

The Job Storage Limit allows you to specify the maximum number of stored jobs allowed on the
printer. You will want to choose a number of jobs that is appropriate for your print devices and
print usage in your environment. This setting can protect your printer from accepting more print
jobs than it can effectively store.
From the Device category select the Job Storage Limit menu (Figure 16).
Click checkbox to enable the Job Storage Limit setting, and select a number of allowable
Stored Jobs.

Figure 16: The Job Storage Limit options.

Apply the Changes

Click the Apply button located in the bottom right hand corner to apply the settings to the selected
devices. This will open the configure devices dialogue box (Figure 17).

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Figure 17: The Configure Devices dialogue box.

1. Review your settings and then click the Configure Devices button to execute the
configuration.

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Configuring Network Settings
The Network category on the Device tab provides options that relate to Jetdirect Print Servers.
The security features you will be configuring restrict what methods are available for communication
with your MFP over the network. Follow the instructions below to view and configure these options.
Click the Network category on the Config tab to expand the configuration options (Figure 18).

Figure 18: The Network Category.

e-Print and HP Web Services Settings
This option enables, disables or configures the ePrint feature on a device. It also allows you to
enable, disable or configure HP Web Services and applications on your device. You can allow
ePrint via Email or Simple Internet Printing. Unless e-Print, HP Web Services, or other applications
are a critical part of your print environment we recommend disabling these features. If you are
using the e-print enterprise server and not the HP cloud for e-print, you should refer to your
administrators guide for any special settings that may be required to secure your solution.
Click to select e-Print Settings (Figure 19), and clear the checkboxes to Disable.

Figure 19: Disable HP ePrint, HP Web Services, and Apps

Error Handling

The Error Handling option (Figure 20) specifies how the Jetdirect Print Server handles error
conditions. The settings are:
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Dump then Reboot does a memory dump them reboots.
Reboot Without Dump reboots without dumping memory.
Dump then Halt does a memory dump but does not do a reboot; operations are halted.
Choose the setting that best fits your security needs.

Figure 20: The Error Handling option.

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HTTP Idle Timeout

The HTTP Idle Timeout option configures the amount of time an HTTP connection to the device
remains open. This can prevent the need to physically go to the device when you have problem
jobs that lack proper end of job signals or other hung connections. After the HTTP Idle Timeout has
expired, the idle connection will be closed to allow for a new connection to your device. All
devices covered in this document support the HTTP Idle Timeout option. To set the HTTP Idle
Timeout option:
Click HTTP Idle Timeout (Figure 21).

Figure 21: The HTTP Idle Timeout option.

In the input field, type a reasonable number of seconds (5 to 60) for the device to wait on an idle
connection before moving on. If you spool large documents on a regular basis you will want to set
this on the higher end. The default setting is 15.

IPX RCFG Support

This setting prevents access to configuration settings through Novell NetWare linkages; however,
you should enable it if your network uses these linkages.

Click IPX -- RCFG Support Enabled (Figure 22), and leave Enable RCFG Support
blank to disable it.

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Figure 22 The RCFG Setting option.

Network Enable Features

To enable or disable print features on your MFP you:
Click Enable Features from the configuration options in the Network category (Figure 23).

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Figure 23: The Enable Features option.

1. Next, select the print features you would like to enable or disable. The following
table lists and explains the recommended settings for the Enable Features
option:

Feature

Recommended
Setting

Explanation

EWS Config

Disabled***

Disabling EWS Config closes
down the EWS and it
eliminates the configuration
settings that are controlled by
the EWS. It also removes the
affected settings from Web
Jetadmin menus. This includes
settings for email, send to
folder, and fax. You should
disable EWS Config while the
MFPs are in use, and enable it
only to make changes to the
affected configurations.

***NOTE:
The recommendation is to
disable EWS Config, but you
should leave it enabled until
you are finished configuring
this checklist. Otherwise, it will
prevent you from configuring
some of the remaining settings.

Telnet Config

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Disabled

Disabling Telnet Config
prevents access to
configuration settings and
other features through Telnet.

HP LaserJet and Color LaserJet MFP Security Checklist

SLP Config

Disabled

Disabling SLP Config
prevents access to
configuration settings and
other features through SLP.

FTP Printing

Disabled

Disabling FTP Printing
prevents access to
configuration settings and
other features through FTP. It
also prevents printing through
FTP.

LPD Printing

Disabled

Disabling LPD Printing
prevents access to
configuration settings and
other features through LPD. It
also prevents printing through
LPD.

9100 Printing

Enabled

9100 Printing is the access
point for normal printing
through standard HP print
drivers.

Air Print

Disabled

Disabling Air Print prevents
also prevents printing via Air
Print. If you do not operate in
an environment that supports
this feature, we recommend
disabling this feature.

IPP Printing

Disabled

Disabling IPP Printing
prevents access to
configuration settings and
other features through the IPP.
It also prevents printing
through IPP. If your require IPP
to be enabled. We highly
recommend enabling IPPS.

IPPS Printing

Disabled

Disabling IPPS when IPP is
not in use is your only option.
When IPP is enabled, the IPPS
Printing setting enables the
Internet Printing Protocol over
SSL. IPPS provides a secure
method for sending print jobs
to the device over the Internet
or intranet.

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MDNS Config

Disabled

Disabling MDNS Config
prevents access to
configuration settings and
other features through MDNS.

IPv4 Multicast Config

Disabled

Disabling IPv4 Multicast
Config prevents access to
configuration settings and
other features through IPv4
Multicast.

WS-Discovery

Disabled

Disabling WS-Discovery
prevents systems from using
WS-Discovery for discovering
or browsing printers on the
network.

HP XML Services

Disabled

Disabling HP XML Services
prevents HP Web services
from accessing XML-based
data on an HP print server.

WARNING: You will want to enable WS-Discovery on this printer if the
following apply: You are using an IPv6 only network, you use WS-Print
to discover your devices, or operate in a Windows Vista/ Windows 7
centric environment. If you are unsure of this setting, we highly
recommend testing its implications with a single device before applying
it to your whole fleet.

Note:
If you are using third party solutions recommendations may be different.
Please see the Advanced Security chapter. As a rule, you should close
down any MFP network features that are not in use.

Click Apply in the lower right hand corner to view the Configure Devices dialogue box. (Figure
24). Review your selections carefully before clicking on the Configure Devices button.

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Figure 24: Review your Enable Features Configuration selections before configuring your devices.

Protocol Stacks

The Protocol Stacks option allows you to enable or disable certain print protocols used in your
environment. To set your configuration:
Click to select Protocol Stacks (Figure 25), and deselect all unused protocol stacks as applicable
to your network. See the table below.

Figure 25: The Protocol Stacks options.

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The following table lists each protocol with the recommended setting and an explanation:

Protocol Stack

Recommended
Setting

Explanation

TCP/IP

Always enabled

IPX/SPX

Leave blank to disable

DLC/LLC

Leave blank to disable

AppleTalk

Leave blank to disable

This is the normal operating protocol
for the MFPs.
This setting disables access for
Novell servers.
This setting enables the MFP to
communicate at basic levels on the
network. It should be disabled if not
in use.
This protocol provides access to
older Apple and Macintosh
computers. It should be disabled if
not in use.

TCP Idle Timeout

The TCP Idle Timeout option configures the amount of time a TCP/IP connection to the device
remains open. This can prevent the need to physically go to the device when you have problem
jobs or other hung connections. After the TCP Idle Timeout has expired, the idle connection will be
closed to allow for a new connection to your device. All devices covered in this document support
the TCP Idle Timeout option. To set the HTTP Idle Timeout option:
Click TCP Idle Timeout (Figure 26).

Figure 26: The TCP Idle Timeout option.

Web Services Print
This option enables or disables the Microsoft Services for Devices WSD Print services supported on
the HP Jetdirect Print Server.
Click to select Web Services Print (Figure 27), and select Disabled.

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Figure 27: Disabling Web Services Print.

Apply your Changes

Click the Apply button located in the bottom right hand corner to apply the settings to the selected
devices.

1. Review your settings and then click the Configure Devices button to execute the
configuration.

Configuring Security Settings
The Security category includes many advanced security settings and password settings. If you
are attempting to configure a setting that is in the Security category and not listed in this section,
you should check the chapter on Advanced Security for multiple MFPs. To set the basic required
settings in this category follow the steps in the sections below.

Bootloader Password
The Bootloader password protects features, such as the MFP reset options that are available on the
MFP control panel. These features are not commonly known, but they can severely affect the MFPs
if they are executed improperly. The Bootloader password is not configured by default.

CAUTION:
Once you configure the bootloader password, the bootloader features
will be inaccessible permanently without it. The only way to restore the
default setting and clear the password is to provide the correct password
and set it with a blank password.
Be very careful to remember the configured bootloader password. A
hardware replacement may be required to recover from a forgotten
Bootloader Password.

On the Config tab under the Security category page, select the Bootloader Password option
(Figure 28).
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Figure 28: The Bootloader Password option.

Type a password of 9 to 16 numeric digits in the New Password field, and repeat it
exactly in the Repeat Password field.
Note:
To reset (clear) this password, click to select Bootloader Password, type
the correct current password, and leave the New Password and Repeat
Password fields blank. Then click Configure, and the bootloader
password will be cleared in the MFPs.

Digital Sending Service
The Digital Sending Service is used when your print infrastructure utilizes a DSS server or other HP
print solutions. If you have a print infrastructure, keep Allow use of digital send service checked.
Otherwise, deselect this checkbox to prevent from unauthorized use of this service.
On the Config tab under the Security category page, select the Digital Sending Service
option (Figure 29).

Figure 29: The Digital Sending Service option.

Embedded Web Server Password
You can configure many of the settings in this checklist using the Embedded Web Server. To
protect your MFP while configuring this checklist using Web Jetadmin it is important to set the
Embedded Web Password. To do this, follow these instructions.
Click Embedded Web Server Password under the Security category (Figure 30).
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Figure 30: The Embedded Web Server Password options.

Type a password of 9 to 16 characters in the Embedded Web Server Password field (you
should always type the maximum number of characters for best security). This setting requires users
to log on for parts of the EWS that provide configuration options.
Repeat the password exactly in the Repeat Password field.
Note:
The Embedded Web Server Password is synchronized with the Device
Password (appears later in this checklist). If you change either the
Embedded Web Server password or the Device Password, the MFP will
configure both to be the same.

Enable Host USB
The Enable Host USB Feature allows you to enable or disable use of USB accessories. An Example
of this would be scanning to a USB storage device. If you disable this feature, applications which
require host USB plug and play (such as the save to USB application) will automatically be
disabled. If you are not using this functionality in your environment, we recommend that this feature
be Disabled. Disabling this feature will not affect your smart card solution, or print from USB. To
set Enable Host USB:
Click to select the Enable Host USB (Figure 31) and click to select Disabled.

Figure 31: The Enable Host USB option.

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Encrypt all Web Communication

This setting requires web browsers to use HTTPS when contacting the MFPs. This ensures secure
communications with the MFP EWS. To enable this feature:
Click Encrypt all web communication, and then select Enabled to enable HTTPS
communication between the Jetdirect Print Server and any web browser (Figure 32).

Figure 32: Enabling HTTPS web communication.

Encryption Strength
The Encryption Strength setting allows you to choose the strength of the encryption algorithm used
for communication between the MFP EWS and the web browsers connecting to it (this is related to
the HTTPS Setting option above). To configure the Encryption Strength setting:
Click Encryption Strength in the Security category (Figure 33).
Click the Encryption Strength dropdown menu, and select the highest setting that your browser
supports.

Figure 33: The Encryption Strength option.

Open/Print from USB Device
The Open/Print from USB Device feature allows you to print documents stored on a USB device.
Leaving this option enabled could allow people without access to your network print documents
from your devices at walk up. We recommend that this feature be Disabled. Disabling this feature
will not affect your smart card solution or Host USB functionality. To set Enable Host USB:
Click to select the Open/Print from USB (Figure 34) and click to select Disabled.

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Figure 34: The Open/Print from USB option.

PJL Password
The PJL password protects the default features on the MFP that can be changed by sending PJL
commands to the MFP. The PJL password is required for administrative PJL commands that are used
to modify feature settings. If you do not set this password, you are vulnerable to having your device
settings including your control panel display altered. To set the PJL Password:
Click PJL Password under the Security category (Figure 35).

Figure 35: The PJL Password option.

Type a password that is any number between 1 and 2147483647 that is at least nine digits in
length, and repeat it in the Repeat PJL Password field. Do not use the same PJL password for
all of your print devices as this can significantly increase the risk of having your PJL password
guessed by an attacker.
Note:
If you have problems configuring this password try configuring it through
the EWS.

Printer Firmware Update
HP recommends updating firmware whenever new firmware is available, but you should keep
Printer Firmware Update disabled until you plan to use it. To disable Printer Firmware Update:
Click to select Printer Firmware Update (Figure 36), and select Disable.

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Figure 36: The Printer Firmware Update option.

Restrict Color

The Restrict Color options (Figure 37) allow you to manage the usage of color printing supplies
within your organization. If you wish to restrict access to color printing you can configure these
settings to match your policy.

Figure 37: The Color Access Control options.

Secure Disk Password
The Secure Disk Password option (Figure 38) allows you to configure the password for a secure
disk. If you change the password, no data on the secure disk is lost.
Note:
If you are configuring multiple devices and are not sure whether a
manual password has been set on any of those devices it is
recommended you skip this step in the configuration.

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Figure 38: The Secure Disk Encryption Mode option.

Apply the Changes
Click the Apply button located in the bottom right hand corner to apply the settings to the selected
devices

1. Review your settings and then click the Configure Devices button to execute the
configuration.

Configuring Fax Settings
The Fax Category provides options for the analog fax functions. This includes settings to allow for
printing fax jobs when the recipient is present and for restricting access to fax print jobs.

Blocked Fax List Settings

The Blocked Fax List option (Figure 39) allows you to maintain the list of fax numbers that are
blocked by the fax device. Your organization can prevent unwanted solicitation by adding the fax
number to the blocked fax list.
Follow these instructions to configure Fax Printing:
Note:
Be sure to configure the MFPs for fax capabilities before continuing with
the instructions below. At the minimum, configure the modem settings for
the country, the company, and the phone number.

Click Fax on the Config tab, and select Blocked Fax List Settings.

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Figure 39: The Blocked Fax List settings.

Enter a Fax number you wish to block and clock the Add Number button. To remove a blocked fax
number highlight that number and click the Remove button.

Fax Header Settings
The Fax Header Settings option (Figure 40) allows you to set the phone number company name
and location for all of your faxes. We recommend setting these options.
Follow these instructions to configure Fax Printing:
Click Fax on the Config tab, and select Fax Header Settings

Figure 40: Fax Header settings.

Enter the Phone number, Company name, and location you wish to send with your faxes.

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Additional Fax Configuration

Some of the newer MFPs or recently upgraded MFPs may contain options for setting and locking
down the Fax speed-dial feature. To set your MFP speed-dial options follow the steps below.
1. Open the Embedded Web server for your MFP by entering the IP address of the printer into
address field of your web browser and click the fax tab (Figure 41).

Figure 41: The Fax Settings Page.

2. Click to select Fax Speed Dials on the left hand menu (Figure 42).

Figure 42: Fax Speed Dials selection and page.

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3. Set any speed-dials you wish to have by selecting the speed-dial number and clicking the Edit
Speed Dial button (Figure 43).

Figure 43: The Fax Speed Dials configuration button.

4. To keep speed-dial entries from being added or edited via the control panel input the number
of the specific speed-dials you wish to lock. We recommend locking all speed-dial entries from
modification. To do this, enter 0-99 in the box and select Save (Figure 44).

Figure 44: The Fax Speed Dials lockdown box

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Configuring MFP File System Settings
The File system category provides settings for access to the MFP hard drive, the Compact Flash
card, and optional data storage devices. Several security settings are available that can help
prevent unauthorized access to data.

File System External Access

It is recommended that all external access to the file systems on your MFPs be disabled. To do so,
follow these instructions:
Click the File System category to select File System External Access (Figure 45).

Figure 45: The File System External Access options.

Disable all options (see the table below).
The following table lists and explains the recommended settings:

File system Access
Option

Recommended
Setting

Explanation

PJL

Disabled

Prevents access to the file
system through this protocol

PostScript

Disabled

Prevents access to the file
system through this protocol.
NOTE: Disabling PostScript
may affect interactions with
third party applications.

Secure File Erase Mode
This setting determines the level of overwriting applied to delete files during routine functions. This
includes removal of files for the Secure Storage Erase function. The settings are:
Non-secure Fast Erase does a standard erase with no additional security.
Secure Fast Erase overwrites files using one pass. This takes some extra time, but it provides
reasonable security.
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Secure Sanitizing Erase overwrites files with three passes. It noticeably slows the MFP, but
it ensures that files are completely unrecoverable.
Use Secure Sanitizing Erase to meet stringent security requirements such as Department of
Defense standards.
Note:
Secure File Erase requires that the File System Password be configured.
If you are following this checklist in order this should not be an issue.

To set the Secure File Erase Mode follow these instructions:
Click to select Secure File Erase Mode (Figure 46), and view the options in the dropdown
menu.

Figure 46: The Secure File Erase Mode setting.

Select Secure Fast Erase or Secure Sanitizing Erase if you require maximum security.

Apply the Changes

Click the Apply button located in the bottom right hand corner to apply the settings to the selected
devices. This will open the configure devices dialogue box.

1. Review your settings and then click the Configure Devices button to execute the
configuration.

Configuring MFP Digital Sending Settings
The Digital Sending category includes options for email and for send to network folder. This
includes settings for protecting the sender identification fields.

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Note:
Some security-related settings that do not apply to LaserJet and Color
LaserJet MFPs might appear on the Digital Sending page. These settings
are for other types of HP MFPs. You should configure the settings that
appear in the instructions below. You may wish to configure additional
settings as a safeguard, but they are ignored on devices that do not
support them.

Auto Reset Send Settings

This setting governs how long after sending a job the device waits to log off the current user and
reset the control panel. Selecting delay before resetting the default settings allows users
to send multiple digital send jobs (email, send to folder, & fax) to a location without having to
retype all of the information in the control panel. It ensures that the information displayed on the
control panel resets automatically when a user walks away without clearing the menu. The setting
only applies to digital send jobs. To configure this setting:
Click to select Auto Reset Send Setting from the Digital Sending category (Figure 47).

Figure 47: The Time-outs options.

Select Delay before resetting the default settings.
Choose a reasonable time to allow users to send multiple jobs, but also to ensure that the
information will not be left on the control panel for too long after the user walks away.

Select Immediately reset to default settings to immediately logoff the current
session.

Email Address/Message Settings - Default From Address

HP recommends configuring the default from address to ensure that no one can send email using
false or misleading identification. If you are using LDAP Authentication, the MFP will use the email
address of the authenticated user to replace the default from address. To configure the Default
'From: ' Address:
Scroll down, and click to select Default 'From:' Address (Figure 48).

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Figure 48: The Default ‘From:’ Address options.

Click to select Prevent user from changing the Default 'From:' Address.
Fill in the Email Address field with any address that includes the ampersand (@).
Tip:
You may wish to use the email address of an administrator who can
receive responses such as e-mail and send notices and failures.

Fill in the Display Name and the Default Subject fields as desired.

Apply the Changes
Click the Apply button located in the bottom right hand corner to apply the settings to the selected
devices.

Configuring Final Settings
Some of the MFP settings should be configured independently from other settings and only at the
end of this checklist. Follow these instructions for the final settings:

Disabling Direct Ports
The Disable Direct Ports feature disables the USB and Parallel ports on the MFPs. It ensures that only
network-connected computers can access the MFPs. In order to configure this feature, each MFP will
turn off and turn on automatically. To disable these ports:
Go to the Security page, and click to select Disable Direct Ports (Figure 49).

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Figure 49: The Disable Direct Ports option.

Click to select the Disable Direct Ports option to the right.
Select Yes.
Click Apply at the bottom of the page.
Wait for a few minutes to allow all of the MFPs to restart. Do not continue until all of them are at
the READY state.

Disabling EWS Config

EWS Config was required for configuring this checklist, but it should be disabled during normal use
of the MFPs. To disable EWS Config:
Go to the Network category, and click to select Enable Features (Figure 50).

Figure 50: The Enable Features option.

Click to disable EWS Config.

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Chapter 4: Advanced Security for Multiple HP Devices
This chapter will provide some tips for configuring HP MFP security features that require network
specific information to operate correctly using HP Web Jetadmin. This chapter will also provide
some special recommendations for those using customized HP solutions. These features should be
installed before locking down your MFPs using the settings in the next chapter. This allows
adequate testing of your security solution to be completed while you still have open access to your
devices. If you are looking for information in this section that is not contained in this document you
can refer to the MFP User Guides and the HP Jetdirect Administrator Guide for more information.
You can find these documents and more information by searching for it at hp.com.

Access Control for Device Functions
Access Control for Device Functions replaces control panel lock and authentication manager
configuration options. It allows you to restrict access to a device by permission set and require
specific types of authentication by device function. For example, you could configure this feature to
allow guest walk up users to an MFP access to only the copy feature while scan to folder or scan to
email are available to authenticated users.
You can configure Access Control for Device Functions by:
On the Config tab click Access Control for Device Functions (Figure 54) under the Security
Category.

Figure 51: The Access for Device Functions option.

In the right-hand pane you will see the default permission sets, you can also create custom
permission sets for advanced configurations. If would like new accounts to be created with a
default set of permissions you will need to set this under the Device User Accounts option.

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Figure 52: The Access for Device Functions option.

To set access control for each of these permission sets check or un-check the box in that permission
set column for access to that function. If you would like a special kind of authentication you can
also set the sign in method for that device function.

Figure 53: The Access for Device Functions option.

Choosing a default authentication (Local Device, Windows, LDAP, DSS, Smartcard) method causes
the MFP to require everyone to log in for access to the control panel menus. You can choose to
require further authentication from a user for specific functions of the MFP.
Choose an authentication method for each device function as desired. If you choose to use different
log in methods for each device function, the MFP will require authentication as needed. The MFP
automatically allows authenticated users to continue whenever they are allowed to use a feature.
Note:
Be sure to select only the authentication features that you plan to
configure for the MFPs selected. Many of the options available (such as

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LDAP, Kerberos, and Digital Send Service) require additional solutions
on the network for support.

For more information on Access Control configuration, please refer to the user or
administration guide for your device. For more information on Access Control Solutions
please refer to the Access Control Printing Solutions Overview located here:
http://h20195.www2.hp.com/V2/GetPDF.aspx/4AA3-0255ENUC.pdf

Access Control List (ACL)

The ACL limits network access to the MFPs to only the IP addresses or subnets that you specify. This
includes printing and all other access. Thus, to access the device an administrator must use a
computer that is on the list, have the correct Web Jetadmin password, and then have the correct
SNMPv3 credentials to manage the MFPs. You may also wish to secure your device by using
IPsec/Firewall rules to limit specific traffic.
Note:
Keep in mind that the ACL is not configured until at least one computer
is in the list. When configured, no computer outside the list will have
access to the MFP including printing.

Follow these steps to configure the ACL:
On the Config tab click Access Control List (Figure 54) under the Security Category.

Figure 54: The Access Control List Settings under the Security Category.

Add an IP address or a net mask by filling in the IP Address or Mask fields.
CAUTION:
Be sure to include the IP address of the computer that is running Web
Jetadmin (it can be a computer other than the one you are using).
Otherwise, the ACL will block your access, and you will not be able to
continue.

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The Mask option requires an entry in the IP address field to determine
the subnet for which to grant access. If you set a mask be sure it is
correct before moving on.

1. To make sure all of the MFPs are configured with your new listings, click Clear all ACL
Table entries the first time you add a listing.
Note:
To find out which IPs are configured in the ACL of a single MFP, open
the device in Web Jetadmin and navigate to the ACL options (all of the
MFPs should be the same if you are configuring them all at once). It will
list the IP addresses or subnets that are already configured.

Check the checkbox for Check ACL for HTTP access to ensure that the ACL restricts access to
the MFP EWS through HTTP.
Note:
These ACL options allow you to add one IP address or one mask at a
time. To add more IPs or masks, repeat these steps. Remember to
deselect Allow Web Server (HTTP) access each time.

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LDAP

If your network includes LDAP, configure the LDAP Sign In Setup and the LDAP Users and
Groups options (Figure 55 and 56).

Figure 55: The LDAP Sign In Setup options.

Figure 56: The LDAP Users and Groups options.

These settings enable the MFPs to require a user's logon credentials for use of the MFPs. This is
related to the LDAP access options in the Digital Sending category, which enable the MFP to use
the LDAP address book.
Note:
Uploading a certificate for use with SSL can be done under the Device
Certificates Option in the Device category. This applies to any
certificates including those created by the Certificate Authority server on
your network.

Security Features Available Through the Embedded Web
These features are either only partially offered in Web Jetadmin, or are only available for
configuration through the MFPs embedded web interface.

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To configure the following settings:
1. Browse to the Embedded Web Server for the target device.
2. Select the Networking tab.
3. Choosing Other Settings from the left hand menu.

LLMNR
Link-Local Multicast Name Resolution (LLMNR) is a protocol that provides a method for resolving
host names on the same local link. It is useful in networks that do not have a DNS server. It does
not require any configuration or administration in order to work, and it supports IPv4 and IPv6. A
host on the network that needs to resolve a host name sends a query to a multicast address. Other
hosts on the network who support LLMNR listen to this multicast address, and respond to the query.

Figure 57: The Configuration Categories Menu Network option.

HP Jetdirect XML Server

The HP Jetdirect XML Services setting is used to enable/disable the IXDM Access Interface (IXA).
XML Device Model (XDM) provides a method for collecting or configuring complex data where
SNMP is impractical. One such example is IPsec. Web Jetadmin 10.2 supports configuring IPsec
on a device through XDM. To configure IPsec, WJA constructs an XML document and sends it to the
IXA interface on the device. When the HP Jetdirect XML services setting is disabled, the IXA
interface is disabled and configuration through XDM cannot take place.

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Figure 58: The Configuration Categories Menu Network option.

Certificate Management Service
The Certificate Mgmt Service setting enables/disables batch certificate management. Using the
Certificate Batch plug-in, WJA 10.x can batch manage and configure certificates on devices that
support the Certificate Mgmt Service.

Figure 59: The Configuration Categories Menu Network option.

Enable WINS Port

The Enable WINS Port setting enables/disables the port used for WINS name resolution.

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To enable the WINS Port:
4. Browse to the Embedded Web Server for the target device.
5. Select the Networking tab.
6. Choosing Other Settings from the left hand menu.
7. Checking the box for Enable WINS Port (Figure 60).

Figure 60: Enable WINS Port by selecting check box.

IPPS

The IPPS Printing setting enables/disabled the Internet Printing Protocol over SSL. IPPS provides a
secure method for sending print jobs to the device over the Internet or intranet.

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Figure 61 The Configuration Categories Menu Network option.

Disable Display Print Page and Job Log on EWS information tab

Viewing of job log and print page information on the EWS information tab is enabled on default.
To restrict access to this data, disable the feature.
To disable Print Page and Job Log:
1. Browse to the Embedded Web Server for the target device.
2. Select the Security tab.
3. Select General Settings from the left hand menu.
4. Uncheck the boxes for Display Print Page on Information tab and Display Job
Log in Information Tab (Figure 62).
5. Click Apply.

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Figure 62 Disable Display Print Page and Job Log on EWS information tab

Information Tab requires administrator access
TFTP Configuration File

BOOTP is a protocol that provides a method for a network host to obtain an IP address and
configuration information from a BOOTP server. Jetdirect supports the BOOTP protocol. When
enabled, Jetdirect sends a BOOTP message onto the network. A properly configured BOOTP server
responds to the message with an IP address that Jetdirect can use. In addition to providing an IP
address, the BOOTP server can also provide the location of a TFTP configuration file for automatic
configuration of Jetdirect. When the TFTP Configuration File setting is enabled, Jetdirect attempts to
retrieve the TFTP configuration file from the server containing the file through the TFTP protocol.
To enable the use of the TFTP Configuration File:
6. Browse to the Embedded Web Server for the target device.
7. Select the Networking tab.
8. Choosing Other Settings from the left hand menu.
9. Checking the box for TFTP Configuration File (Figure 63).

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Figure 63: Enable TFTP Configuration File use by selecting check box.

HP & 3rd Party Solutions
Most of the recommendations in the next chapter of this checklist can be implemented without
having a negative impact on HP & 3rd party solutions you may utilize in your environment without
causing them to fail. However, there are some settings that have been known to cause problems.
When setting up a solution in your environment you want to test the following:
•

Disabling EWS remote access (port 80, port 443 etc.)

•

Disabling Command load and execute

If your previously working solution no longer works revert to your original settings, or if you are
unable to get your solution working enable them if disabled by default. The reason for this is many
solutions require specific ports to communicate with the printer, and may need to load a piece of
their solution on boot of the print device.
Also, be sure you do not implement a Secure Storage Erase as a disk cleaning practice. This type
of erase will wipe everything off your existing hard drive including any HP or 3rd party solution you
have installed.
There are two suggestions in the next chapter that should only be implemented after a solution has
been installed. They are:
•

Configure a PJL password

•

Disable PJL file system access

Once installed, you can test whether implementing these recommendations impacts your particular
solution. If your solution is impacted, skip these recommendations in the next chapter. If you
choose to implement these recommendations a solution needs to be updated, you will need to reenable PJL file system access and set the PJL password to blank to install the solution. After the
upgrade you will need to test if the new version of the solution is adversely affected.

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Note:
This setting disables configuration from the MFP EWS. It also disables all
EWS-related settings from Web Jetadmin (they will disappear from Web
Jetadmin menus). With this setting configured, the only way to make
changes to the EWS settings again is to re-enable them using Web
Jetadmin. Always remember to disable EWS Config after making
changes.

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Chapter 5: Settings List
This section is a complete list of the settings recommended in this checklist. This section does not
include instructions or explanations. It is intended to be used as a check-off list of the recommended
settings to help ensure that you complete the entire configuration. See the Network Security section
(above) and the Ramifications section (below) for information on each setting.
NOTE:
This section lists recommended settings for reasonable security on the
most common networks that include MFPs. MFPs configured according
to this list are considered secure, but HP does not warrant or guarantee
that this configuration prevents or limits all malicious network attacks.
Remember that these settings are recommended for the most common
types of network environment. Your environment may require
configurations not recommended in this checklist. Consider each setting
in the context of your network environment needs and constraints.

Recommended Basic Settings
Initial Settings
 Verify your HP Secure Hard Disk is functioning correctly.
 Configure SNMPv3 (Security page).

Device Category Settings
 Configure I/O Timeout to End Print Job
 Configure Input Auto Continue Timeout
 Configure Job Hold Timeout.
 Enable Job Retention.
 Configure Job Storage Limit

Network Category Options
 Disable e-Print Settings
 Configure Error Handling
 Configure HTTP Idle Timeout.
 Configure Network Enable Features options.
 Enable EWS Config.
 Disable Telnet Config.
 Disable SLP Config.

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 Disable FTP Printing.
 Disable LPD Printing.
 Enable 9100 Printing.
 Disable Air Print.
 Disable IPP Printing.
 Disable IPPS.
 Disable mDNS Config.
 Disable IPV4 Multicast Config.
 Disable WS-Discovery.
 Disable HP XML Services
 Configure TCP Idle Timeout.
 Disable Web Services Print.

Security Category Options
 Disable Digital Sending Service.
 Configure Embedded Web Server Password.
 Disable Enable Host USB.
 Enable HTTPS Setting to Encrypt all web communication.
 Configure Encryption Strength to High.
 Configure Open/Print from USB Device.
 Configure the PJL Password.
 Disable Printer Firmware Update.
 Configure Restrict Color as desired.
 Configure the Secure Disk Password.

Fax Category Options
 Configure Fax Printing.
 Blocked Fax List Settings.
 Fax Header Settings.

Additional Fax Configuration
 Configure Fax Speed Dials.
 Lock Speed Dials.

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MFP File System Options
 Configure File System External Access.
 Disable PJL.
 Disable PostScript.
 Configure Secure File Erase Mode to Secure Fast Erase or Secure Sanitize Erase.

Digital Sending Settings Options
 Configure Auto Reset Send Setting to Delay before resetting the default settings,
and type a number of seconds to delay.
 Configure Default From Address.
 Select Prevent user from changing the Default From Address.

Final configurations
 Disable Direct Ports (wait for MFPs to restart).
 Disable EWS Config. (Optional)

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Chapter 6: Default Settings:
This chapter lists the default setting for each configuration in the checklist:

Setting

Default Setting

Configure HP Secure Hard Disk

Installed and Enabled

Configure SNMPv3 (Security page).

Not configured

I/O Timeout to End Print Job

Not configured

Configure Job Hold Timeout.

Never Delete

Enable Job Retention.

Enabled

Job Storage Limit

Enabled

e-Print Settings

Disabled and Not Configured

Error Handling

Dump then Reboot

HTTP Idle Timeout

Enabled

Configure Enable Features options (do not
disable EWS Config at this point).

(See below)

Disable Telnet Config.

Enabled

Disable SLP Config.

Enabled

Disable FTP Printing.

Enabled

Disable LPD Printing.

Enabled

Enable 9100 Printing.

Enabled

Disable Air Print

Enabled

Disable IPP Printing.

Enabled

Disable IPPS.

Enabled

Disable MDNS Config.

Enabled

Disable IPV Multicast Config.

Enabled

Disable WS-Discovery.

Disabled

TCP Idle Timeout

Enabled

Web Services Print

Enabled

Digital Sending Service

Disabled

Embedded Web Server Password

Disabled

Enable Host USB

Disabled

Enable Encrypt all Web Communication.

Enabled

Configure Encryption Strength to High.

Low

Open/Print from USB Device

Disabled

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Configure the PJL Password.

Not configured

Disable Printer Firmware Update.

Enabled

Restrict Color

Not configured

Secure Disk Password

Automatic

Configure Fax Printing.

Not configured

Blocked Fax List Settings

Not Configured

Fax Header Settings

Not Configured

Configure Fax Speed Dials

Not Configured

Lock Speed Dials

Not Configured

Configure File System External Access.

(See below)

Disable PJL.

Enabled

Disable PostScript.

Enabled

Configure File System Password.

Not Configured

Configure Secure File Erase Mode to Secure Fast
Erase or Secure Sanitize Erase.

Non-Secure Fast Erase

Configure Auto Reset Send Settings to
Delay before resetting the default
settings, and type a number of seconds to
delay.
Configure Default From Address.

Not configured, Delay default: 20 seconds

Select Prevent user from changing the Default
From Address.

Not selected

Disable Direct Ports (wait for MFPs to restart).

Enabled

Disable EWS Config.

Enabled

HP XML Services

Enabled

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Chapter 7: Ramifications
Raising the level of security on HP MFPs requires giving up some conveniences and usability. This
section explains some of the compromises you can expect from configuring the settings
recommended in this checklist. Keep in mind that this is not a comprehensive list. You should test
each MFP in your network environment to understand the implications of these settings and
configurations.
The following sections explain some of the known ramifications of each recommended setting:

Initial Settings
•

•

Configuring Advanced Security Settings (ACL, PIN Authentication, LDAP, Solutions, etc.)
There are many advanced security settings that you may be using as part of your infrastructure
or print solution. These settings should be configured and tested before locking down your
devices with this checklist. If you are unsure how a setting may affect an advanced security
configuration see the advanced security section, or test the setting on a single device before
applying it to your fleet.
Configure HP Secure Hard Disk.
HP Secure Hard Disk is a disk that encrypts all data stored on your hard drive.
Failure to set up this device before setting the NIST checklist or other MFP settings will result in
a loss of all previous settings when the HP Secure Hard Disk is installed and set to encrypt
data.
Once the HP Secure Hard Disk is installed, the hardware encryption is transparent to the
device. It should have no impact on subsequent configurations unless you:

•

Remove the HP Secure Hard Disk and install a new one

Use the “reinitialize” feature which will result in cryptographically erasing your entire
disk, or

Change the password, which will also result in reinitializing the encrypted disk

Enable SNMPv3
SNMPv3 is a secure protocol that encrypts configuration data transmitted over the network.
Web Jetadmin accesses most of the MFP configuration settings through the MFP SNMP ports.
Once SNMPv3 is configured, the MFPs will prompt for the credentials every time anyone tries
to configure settings using Web Jetadmin or any other tool. However, Web Jetadmin includes a
convenient device cache feature that stores all of the passwords and credentials for each MFP.
Whenever an authorized Web Jetadmin administrator makes a change, Web Jetadmin
automatically provides the credentials without prompting. Thus, the administrator is required to
remember the credentials only when the device cache credentials are outdated. The device
cache is secured by encryption, and Web Jetadmin allows only the authenticated administrator
to log in and manage the MFPs. Be sure to configure a robust password for Web Jetadmin.
With SNMPv3 configured, an unauthorized user attempting to access the MFP configuration
settings will observe a prompt for the SNMPv3 credentials. The MFP will not disclose which
credentials are incorrect; it will only revert to the prompt for credentials.
SNMPv3 causes some slowing of the configuration process due to the additional time taken to
encrypt the data.

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Disabling SNMPv1 disables SNMPv1 GET and SNMPv2 SET commands. Any solution or
software that requires SNMPv1 or SNMPv2 will not function. If you require these to be
enabled, be sure to set the community name to something that would be difficult to guess.

Device Page Settings
•

Set I/O Timeout to End Print Job. The I/O Timeout to End Print Job allows you to specify
the amount of time a device should wait between packets before canceling a job. Setting this
timeout will help prevent jobs formed or sent incorrectly from tying up a print resource. If you
are on a busy network or spool large jobs real time that may cause packet gap set this setting
high enough to accommodate your environment.

•

Input Auto Continue Timeout. Configure Auto Continue Timeout to setting of your choice.

•

Enable Job Hold Timeout. Job Hold Timeout is related to the Job Retention setting below.
It permanently deletes stored jobs (except fax) that are held past the allowed time. This ensures
that the stored jobs are not accessible after a time, and it ensures that the hard drive is cleared
periodically.
Job Hold Timeout requires that users are mindful of their print jobs. They will not be able to
recover jobs that are deleted after the timeout period. Jobs are deleted securely according to
the Secure File Erase setting (appears later in this checklist).

•

Enable Job Retention. Job Retention is a feature of the MFP that saves fax or print jobs on
the hard drive for printing when the user is present. The security implication is that a user can
be sure others will not be able to see the printed documents. For printing, a user sets the PIN at
the time of sending the print job to the MFP. For fax printing, the PIN is configured for all
incoming jobs using Web Jetadmin. The MFP will require the PIN number at the control panel
before it will print the job.
Configuring Job Retention enables more efficient use of the MFP hard drive. Thus, you should
configure Job Hold Timeout and other related settings.

•

Enable Job Storage Limit. Job Storage Limit when enables is set to a default of 32. Adjust
accordingly to your print job needs.

NOTE:
Stored faxes are not affected by the Job Hold Timeout.

Network Options
•

•
•

Disable e-Print. Unless e-Print, HP Web Services, or other applications are a critical part of
your print environment we recommend disabling these features. If you are using the e-print
enterprise server and not the HP cloud for e-Print you should refer to your administrators guide
for any special settings that may be required to secure your solution.
Configure Error Handling. Choose the setting that best fits your security need.
Configure HTTP Idle Timeout. The HTTP Idle Timeout option configures the amount of time
an HTTP connection to the device remains open. This can prevent the need to physically go to
the device when you have problem jobs that lack proper end of job signals or other hung
connections. Enabled on default and set to a 15 second timeout.

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•

Configure Enable Features options (do not disable EWS Config at this point). These
options enable or disable various supported features for the MFP. These features are designed
for access and convenience on the network, but they should be disabled when not in use
(sometimes only for best-practice control of the networking capabilities). The following list
explains the ramifications of each feature:
•

Disable Telnet Config. Telnet Config is an access point used by some older (legacy)
printer management tools. Jetdirect also supports some Telnet commands. Telnet Config
transmits data in clear text, and it should not be used. With it disabled, MFPs will deny
access to Telnet sessions.
Web Jetadmin does not use Telnet Config; thus disabling it has no effect on it. It disables
other tools, but Web Jetadmin is the only solution recommended for managing HP MFPs.

•

Disable SLP Config. SLP Config accommodates software using SLP as a discovery
mechanism. For example disabling SLP Config on some Novell networks (depending on
how Novell is configured) would cause Novell to not recognize the MFPs on the network.
Thus, if your network uses these features of Novell, you should enable SLP Config. If you
use software other than HP Web Jetadmin with your HP MFPs please test this feature before
disabling it. HP Web Jetadmin is not affected by this setting,

•

Disable FTP Printing. FTP Printing enables files to be sent to the printer via FTP for
printing on the MFP, enabling FTP Printing also allows you to upgrade your printer
firmware by sending the firmware via FTP. HP recommends disabling it and using Web
Jetadmin to upgrade firmware. MFPs will deny access to FTP sessions.

•

Disable LPD Printing. LPD Printing is the protocol necessary for printing in UNIX,
HPUX, or Linux environments. You should disable LPD Printing unless your network includes
UNIX workstations that might print using the MFPs. With this option disabled, MFPs will
deny access to UNIX machines.

•

Enable 9100 Printing. 9100 Printing should always be enabled. It is the standard
printing protocol used by MFP print drivers. Disabling 9100 Printing would disable all
printing for most users.

•

Disable Air Print. Air Print Printing is a protocol for printing from apple devices.
Unless your network environment supports Air Print, we recommend keeping this feature
disabled.

•

Disable IPP Printing. IPP Printing is a protocol for printing over the internet or locally.
Unless you have a requirement for IPP printing it should be disabled. With it disabled, the
MFPs will deny access to direct printing from the Internet. Print jobs generated from web
browsers using the installed print driver are not affected.

•

Disable IPPS when IPP is not in use is your only option. When IPP is enabled, the IPPS
Printing setting enables the Internet Printing Protocol over SSL. IPPS provides a secure
method for sending print jobs to the device over the Internet or intranet. If you have chosen
to enable IPP then we recommend Enabling IPPS as well.

•

Disable MDNS Config. MDNS Config resolves host names with IP addresses in small
networks without DNS servers. Most enterprise networks include DNS servers and do not
require this service. With this option disabled, a non-DNS network will not recognize the
MFPs. If your network does not include a DNS server, you should enable MDNS Config.

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•

Disable IPv4 Multicast Config. IPv4 Multicast Config configures multiple devices
simultaneously over the network. You should always disable IPv4 Multicast Config, and
use Web Jetadmin for managing MFPs.

•

Disable WS-Discovery. WS-Discovery enables network hosts which support WSDiscovery to discover printers and devices on the network. Unless you are in an IPv6 or
Windows Vista/Windows 7 only environment there are other protocols you can use to
discover your printers.

•

Disable HP XML Services. The HP Jetdirect XML Services setting is used to
enable/disable the IXDM Access Interface (IXA) which provides a method for collecting or
configuring complex data where SNMP is impractical. When the HP Jetdirect XML services
setting is disabled, the IXA interface is disabled and configuration through XDM cannot
take place.

•

Configure TCP Idle Timeout (previously called Job Timeout). The TCP Idle
Timeout option enables the MFPs to move on from jobs that lack proper end of job
signals. The MFPs will be able to switch protocols to continue with other jobs rather than
waiting indefinitely for improperly formatted jobs to finish.

•

Disable Web Services Print. This disables the Microsoft WSD Print services supported
on the HP Jetdirect Print Server. If this feature is enabled someone with a host that supports
Web Services Print can discover IP Addresses and other information about the printers in
your environment.

Security Options
•

Configure Authentication (LDAP, Kerberos, Device PIN, or User PIN). Authentication requires
users to log on for use of the MFPs.

•

Configure Authentication Manager. The Authentication Manager provides the settings to
require log in for use of the MFP. It is important to be sure to configure the authentication
methods (LDAP, Kerberos, Device PIN, or User PIN) you wish to enforce in the authentication
manager. With authentication enabled, MFPs will deny access to users who cannot supply the
correct credentials.

•

Disable Allow Use of Digital Send Service. HP Digital Sending Software is a useful tool
for managing MFP digital sending. It is available for purchase at hp.com. HP recommends
using Digital Send Service, but it is not covered in this checklist. Thus, this checklist
recommends disabling it unless you are using it.
With Allow Use of Digital Send Service disabled, no one can manage the MFPs with an
installation of Digital Send Service. The MFPs will deny access.

•

Disable Allow Transfer to New Digital Send Service. This setting is related to the
previous setting. If you allow use of Digital Send Service, it is possible for any installation of
Digital Send Service to take over management of an MFP. Disabling this setting ensures that the
MFPs will allow only one Digital Send Service computer to manage the MFPs.
With this setting disabled, the MFPs will deny access to a second Digital Send Service
attempting to take over management.

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HP LaserJet and Color LaserJet MFP Security Checklist

Embedded Web Server Options
•

Configure Embedded Web Server Configuration Options. These options limit some of
the EWS features that can be misused:
•

Enable Outgoing Mail. The MFP sends some email, such as automatic fax notifications
and consumables alerts, depending on configurations. This Outgoing Mail feature does not
affect the MFP send to email functions. It also is not known to affect network security. If you
use fax notification or other automatic email alerts, you should enable outgoing email.

•

Disable Incoming Mail. Some network solutions can send commands to the MFP via
email. If your network uses any of these solutions, you should enable Incoming mail.
Otherwise, disable it as a best practice. This setting does not affect any other use of the
MFP. With this setting configured, the MFPs will ignore all incoming emails.

•

Disable Cancel Job Button. The EWS provides a Cancel Job button that allows users to
cancel jobs that are pending in the queue. This includes canceling jobs sent by other users.
Thus, disabling the Cancel Job button removes the ability to cancel jobs remotely (and
anonymously); however, users will be able to cancel their own jobs from the printer driver
or from the control panel.

•

Disable Go Button. The Go button is the EWS Pause/Resume button, which enables
users to pause operations, such as print jobs, indefinitely. Disabling the Go button removes
it from the EWS preventing users from delaying jobs or even denying service to other
users; however, users will be able to pause or resume their own jobs from the print driver
or from the control panel.

•

Disable Command Invoke. Command Invoke is a legacy feature that does not apply to
the MFPs. Disabling it is good security practice to ensure that all possible access to it is
closed.

•

Disable Command Download. Command Download is a legacy feature that does not
apply to the MFPs. Disabling it is good security practice to ensure that all possible access
to it is closed

•

Disable Command Load and Execute. Command Load and Execute accommodates
add-on applications (Chailets), such as workflow programs and job accounting programs.
Disabling it stops the MFPs from running Chailets when it starts up. This function is called
Service Loading in the EWS. If your network uses Chailets, you should enable Command
Load and Execute. If not, you should disable it to prevent users from installing this type of
application.
You may wish to (turn off the MFPs and turn them on again (power cycle) after disabling
Command Load and execute. This will stop applications that may be already loaded and
running.
With this setting configured, the MFPs will ignore all add-on applications, which will
include any solution that is required to load at boot.
If a solution stops working after disabling Command Load and Execute we recommend reenabling this setting followed by a power cycle of your MFP.

•

Configure the Embedded Web Server Password. The EWS password restricts access to
the configuration settings in the EWS. When configured, the MFP requires the password

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HP LaserJet and Color LaserJet MFP Security Checklist

whenever anyone or any application attempts to make changes to the EWS settings. Keep in
mind that the settings provided in the EWS are also accessed by Web Jetadmin. Thus, the
MFPs will require the EWS password from Web Jetadmin whenever it attempts to access these
settings.
Web Jetadmin keeps all passwords and credentials in the encrypted device cache. It will
automatically provide the EWS password to the MFPs whenever they MFPs prompt for it.
The EWS password is synchronized with the device password, which is recommended later in
this checklist. Whenever you change either password, the MFP will change the other one to be
the same.
•

Disable Print Service. Print service allows users to send print-ready files such as PDF files
directly to MFPs for immediate printing. This feature is available to anyone who has access to
the EWS. Disabling it ensures that only users with the MFP Print driver installed can send print
jobs to the MFPs.
With Print Service disabled, the print options do not appear on the EWS.

•

Disable Enable Host USB Leaving this option enabled could allow people without access to
your network print documents from your devices at walk up. We recommend that this feature
be Disabled. Disabling this feature will not affect your smart card solution or Host USB
functionality.

•

Encrypt all web communication by Enabling HTTPS. This setting enables encryption for
configuration data between the PC and the MFP EWS. It prevents sensitive data such as
usernames and passwords from passing over the network in clear text. This setting is related to
the EWS Encryption Strength setting explained below.

•

Configure Encryption Strength to High. The encryption strength setting covers
communication between a PC and the Embedded Web Server. When HTTPS is configured (as
recommended in this checklist), communication is encrypted according to this Encryption
Strength setting.
With Encryption Strength set to High, users will find that the EWS are accessible only from
web browsers that support that level of HTTPS communications.
This checklist recommends disabling EWS Config during normal use of MFPs. This removes all
access to the EWS; however, you should configure this setting for times when you temporarily
enable EWS Config to make changes to configurations.
Web browsers that do not support SSL and high encryption strength will not be able to access
the MFP EWS.
This checklist recommends disabling EWS Config during normal MFP operations and enabling
it temporarily for changes to configurations. This setting ensures that the network traffic is
secure during those configurations.

•

Disable Open/Print from USB Device The Open/Print from USB Device feature allows you
to print documents stored on a USB device. Leaving this option enabled could allow people
without access to your network to print documents from your devices at walk up.

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HP LaserJet and Color LaserJet MFP Security Checklist

•

Configure the PJL Password. The PJL password prevents unauthorized users from configuring
certain features of the MFP. It requires the password to change these settings via Print Job
Language (PJL) commands.
With the PJL Password configured, the MFPs will deny access to commands that attempt to
change default settings without the correct password.
If you are using an HP or 3rd party solution this setting may interfere with upgrades to an
existing solution, or installation of a new solution.

•

Disable Printer Firmware Update. Printer Firmware Update enables the MFPs to
accept printer firmware updates from various sources. Disabling it ensures that no one can
send firmware updates to the MFPs. If this feature is disabled it may still be possible to update
the firmware manually through the boot loader if you have not safeguarded this option.
HP recommends updating firmware whenever it becomes available at hp.com. You should
enable Printer Firmware Update to perform the upgrades and then disable it again during
normal use of the MFPs.
With Printer Firmware Update disabled, the MFPs will deny access whenever anyone
attempts to upgrade the firmware.

•

Configure color restriction settings. If your network includes Color LaserJet MFPs, you can
configure settings to restrict the use of color printing by users and by applications.
With color restriction settings configured, an MFP will print only in black and white for
restricted users or applications.

Fax Options
•

Configure the Fax PIN. With the fax PIN configured, the MFP requires the Fax PIN be provided
before access to held fax jobs is gained at the control panel. This improves security by ensuring
that printed faxes are not left in the output trays where unauthorized personnel might see them.

NOTE:
Stored faxes are not affected by the Job Hold Timeout.

The Fax Printing options limit access to timely faxes. You may wish to provide the PIN to a
number of people to ensure that someone can print a fax on demand. You can also configure fax
alerts to ensure that personnel will know when a fax arrives even though it is not printed upon
arrival.

Additional Fax Configuration
Configure the number of Fax Speed Dials with the Embedded Web server. With the number of fax
speed-dials configured and access to these locked down no one can tamper with you speed-dial
settings from the front panel of the MFP.

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HP LaserJet and Color LaserJet MFP Security Checklist

File System Options
•

Configure File System External Access. The File System External Access settings shuts
down access to the MFP file system (storage devices and configuration settings) through
protocols and ports. They eliminate access from various types of management tools. HP
recommends shutting down all unused access to the file system. See the ramifications for each
protocol below.

NOTE:
Some storage management tools, such as the Web Jetadmin Device
Storage Manager (a Web Jetadmin add-on available in the Product
Update navigation mode), use some of these protocols to access the file
system. You might consider enabling these protocols only to update
configurations and then disable them during normal MFP operation.
Also, note that disabling PJL and PML only affects file system access, but
disabling NFS shuts down the protocol for the entire MFP.

•

Disable PJL access. PJL (Printer Job Language) includes capabilities to manage
configurations in the form of commands inside print jobs. Some of these commands can
access MFP storage devices. Disabling PJL access to the file system disables only the
commands that affect the file system. This will not affect the preferences available for
normal print jobs.
With PJL access disabled, the MFPs will ignore PJL commands that attempt to access the
file system.
PJL access needs to be enabled for some solutions to be installed correctly. After a solution
is installed it is usually safe to disable PJL access till the next upgrade or installation.

•

Disable PostScript access. The PostScript protocol enables programs such as Adobe®
products to access the MFPs directly for printing and for access to fonts. Some of the
commands it uses can access MFP storage devices. Disabling PostScript access to the file
system disables only the commands that affect the file system. This will not affect the
preferences available for normal print jobs, but could affect interoperability with third party
products.

Configure the File System Password. The File System password feature restricts access to
the Secure File Erase Mode, Secure Storage Erase, and External File System Access Settings.
This setting is important because it helps protect data stored on the MFPs. It does not affect
normal use of the MFPs such as job storage.
Users attempting to make changes to the file system settings or attempting to access data
through network ports will be required to provide this password. Without the password, the
MFP denies access to the File System and to File System configurations.
Web Jetadmin stores the file system password in its encrypted device cache. It automatically
provides the password when the MFPs request it.

•

Set the Secure File Erase Mode to Secure Fast Erase or to Secure Sanitizing Erase.
Secure File Erase enables the MFPs to overwrite storage space whenever files are deleted. This

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HP LaserJet and Color LaserJet MFP Security Checklist

ensures that the original data is destroyed.
Secure Fast Erase mode overwrites files one time. It slows MFP performance a bit, but it
provides reasonable security for most situations.
Secure Sanitizing Erase overwrites files 3 times. It slows MFP performance considerably, but it
provides even more assurance that the data is not recoverable. If your network is required to
meet stringent security requirements such as DOD regulations, you should use Secure Sanitizing
Erase.

Digital Sending Options
•

Configure Auto Reset Send Settings to Delay before resetting the default
settings, and type a number of seconds to delay. This setting enables the MFPs to remove
email addresses or fax information from the control panel if a user forgets to reset it. The
authenticated user performing a digital send job is also automatically logged off.
With the timeouts configured, an MFP control panel will revert to the default screen, and a user
will not be able to reuse addresses and other destination data beyond the timeout period.

•

Configure the Default From Address, and select Prevent users from changing the
Default From Address. The Default From Address setting allows you to place a
standard and consistent address in the From field of emails sent from the MFP. Selecting
Prevent users from changing the default from address ensures that users are unable
to tamper with the address in the From field, and that it is automatically populated with the
default or the authenticated users email address. These features ensure that nobody can use the
MFP to spoof identity or provide erroneous addresses. Consider using a From address that
describes the location or the type of MFP, or use a real address to monitor reply messages.
With the Default From Address configured, no one can change the From address in email
messages. The address you configure is the only address anyone can use.

Final Configurations
•

Disable Direct Ports. This setting shuts down the MFP parallel ports. It restricts access to only
network connections.
Shutting down the parallel ports ensures that no one can configure the MFPs or print using
these connections. Thus, users will not be able to bypass job accounting or restricted access,
such as color printing, by using alternative connections.
This setting causes the MFPs to turn off and turn on. They will be out of service during this time.
This is also the reason this setting should be configured independently of other setting
configurations. If you attempt to configure this setting with other settings, the other settings will
likely fail. This is because Web Jetadmin temporarily loses contact with each MFP while the
MFP is restarting. Be sure to wait a few minutes until all of the MFPs are online and ready
before executing another configuration.
With Direct Ports disabled, the parallel and USB ports are turned off, and the MFPs behave as
if the ports do not exist.

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HP LaserJet and Color LaserJet MFP Security Checklist

•

Disable EWS Config. Disabling EWS Config removes the EWS from the network. They
become unavailable to everyone. This eliminates many risks to security.
Keep in mind that disabling EWS Config also eliminates the affected settings from Web
Jetadmin. Thus, you will have to enable EWS Config temporarily to make changes to the
configurations, and then disable it again.
With EWS Config disabled, the MFPs will not provide the EWS on the network. Web
browsers will return with no such web site found. This removes some conveniences that EWS
provide, but all of the functions that you would want to provide to users are available using the
MFP drivers or the control panels.

Overall Limitations
This overall configuration provides a high level of network security for HP MFPs. At the same time, it
introduces some limitations to the conveniences designed into the MFPs. Here are some known
affects of this overall configuration:
•

Extra steps to use MFPs: Users will be required to provide usernames and passwords at the
control panels before they can use the MFPs.

•

The MFPs will not allow a user to cancel the print jobs of other users. The user would have to
go to the person who submitted the job and ask that person to cancel it.

•

Extra steps for printing faxes: A user will be required to provide a fax PIN before printing a
fax.

•

No Embedded Web Servers: Disabling EWS Config disables the entire EWS feature.

•

No way to change the From Address on email send jobs: Depending on the capabilities of
your network, the MFPs will place either a default from address or the user's email address of
the user who logged into the MFP. It will provide no method to change it.

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HP LaserJet and Color LaserJet MFP Security Checklist

Chapter 8: Physical Security
Many of the most notable features of HP MFPs involve hard copy documents. MFPs can print them,
scan them, send them to email, send them to network folders, send them to other printers, and fax
them. Handling hardcopy documents can involve a variety of activities that can lead to compromise
of data security:
•

Leaving documents in the printer output trays exposed to possible unauthorized viewers.

•

Leaving documents in Automatic Document Feeder (ADF) or on the flatbed scanner exposed to
possible unauthorized view.

These are common-sense security risks. Use PIN printing and PIN fax printing to ensure that
authorized users are present during printing. Stay with the MFP while using the ADF or the flat bed
scanners. Keep the MFP in an enclosed room to allow for controlled access for sensitive printing or
scanning.
Physical security also involves access to the location where an MFP is installed. Limiting physical
access to an MFP can easily prevent many security risks from unauthorized users. Such risks include
the following:
•

Access to configurations on the control panel

•

Access to power cycle the MFP, to initiate cold resets, and to change other configurations

•

Access to removable storage devices such as hard drives and memory cards

•

Access to input trays, output trays, and automatic document feeder trays where hardcopy
documents may be left after processing

•

Access to network cables and phone lines connected to the MFP

•

Access to digital sending services and features

•

Access to stored print jobs (depending on settings)

•

Access to copy features (unauthorized overuse of resources such as toner and paper)

You can help minimize all of these risks by placing the MFPs in access-controlled locations.
You can control access to the MFP internal hardware (hard drives, Compact Flash cards, and
formatter board) using hardware locks. Use a lock, such as a Kensington Lock, as recommended in
the MFP User Guide.
If you have purchased the EIO version of the HP Secure Hard Disk (J8019A), you can also use a
Kensington style lock (cabled or cable-less) to protect the disk from being unscrewed and removed
from the device. If you use a cabled Kensington lock, you can even secure the device to a
stationary object to avoid someone from stealing the MFP.

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HP LaserJet and Color LaserJet MFP Security Checklist

Chapter 9: Appendix 1: Glossary of Terms and Acronyms
The following table lists terms and acronyms found in this checklist:
Term

Description

ACL

Access Control List. The ACL restricts network access to the MFP by allowing
only those IP addresses or subnets that are listed in it.

Analog fax

Analog fax is fax functions via telephone lines. The fax module is available
in most HP MFP bundles and it is covered in this checklist. MFPs are also
capable of sending fax via LAN fax or internet fax using additional
solutions on the network. LAN fax and Internet fax are not covered in this
checklist.

Control Panel

The control panel is the display and the buttons on the front of an MFP.

Digital sending

Digital sending is a function of the MFP that sends scanned documents to
email destinations or to network destinations. Faxing is also considered
digital sending, but it is separate from the network functions.

DSS

Digital Send Service. DSS is an HP solution to enhance MFP digital sending
functionality and security. For instance, it can encrypt the contents of digital
send jobs. It can be purchased and downloaded at hp.com. DSS is useful
and recommended, but it is not covered in this checklist.

EWS

Embedded Web Server. The EWS is a web page built into an MFP to
provide status and configuration settings. The EWS is accessible over
network lines using any Web browser connecting to the MFP network IP
address.

Firmware

Firmware is the program that operates the MFP. It controls all functions of
the MFP. Firmware can be upgraded as new versions become available.
New firmware is available by searching for it by product at hp.com. This
checklist assumes that each MFP is upgraded with the latest firmware.

Formatter

The formatter is the main circuit board of the MFP. It is similar to the
motherboard of a PC. The formatter accommodates the MFP hard drive, the
Compact Flash cards, the Jetdirect card, the CPU, the analog fax accessory
card, and the DC Controller, which is the power supply for the MFP. The
formatter also accommodates accessories such as wireless cards.
Since the formatter is removable (using common tools), it includes the
capability to be locked using devices such as Kensington locks.

JDI

Jetdirect Inside. Many of the MFPs include internal Jetdirect hardware as
standard equipment. Other MFPs, such as HP Color LaserJet 9500 MFPs
require EIO Jetdirect cards for network connectivity.

Job Retention

Job Retention is the MFP capability of storing print jobs or fax jobs for
printing on demand at the control panel. PIN printing and PIN fax printing
are functions of Job Retention.

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HP LaserJet and Color LaserJet MFP Security Checklist

Term

Description

MFP

Multi-Functional Peripheral – An MFP is a device that includes multiple
capabilities such as print, copy, fax, and digital sending (email and send to
network folder).

Personal Identification Number. A PIN in a numeric password. MFPs use
PINs for secure printing and secure fax printing. They can also use PINs for
authentication.

Scanner , ADF, or
flatbed scanner

The top of the MFP is a scanner that converts paper documents into digital
images for copying, fax, or digital sending. The scanner can scan a
document in two ways: Automatic Document Feeder (ADF) or flatbed.
The ADF is the top of the MFP. It is the cover of the flatbed scanner. The
ADF draws sheets into a paper path from an input tray similar to the input
paper tray on a printer. It runs each sheet past the scanner and places it in
an output tray.
The flatbed scanner is a flat pane of glass under a cover (the ADF) that
opens to allow placement of one surface for scanning. The flatbed scanner
is for documents such as folded paper or books that will not go through the
ADF.

SNMPv3

SNMPv3 is a secure network protocol that encrypts network traffic. It is
available with Web Jetadmin.

SSL

Secure Socket Layer. SSL is the encryption capability of the internet. It is the
system used for web communication via HTTPS.

Storage device

A storage device is a component that stores data. The MFP includes two
types of storage devices: hard drive and Compact Flash cards.
MFP storage devices store two types of data: system data, such as
configurations, and user data, such as print jobs, address books, and
installed applications.

WJA

Chapter 9

HP Web Jetadmin: HP Web Jetadmin is a peripheral management tool that
provides access to multiple devices for status and configuration. It is
capable of configuring multiple MFPs simultaneously. Web Jetadmin is the
recommended tool for configuring all settings in this checklist.

HP LaserJet and Color LaserJet MFP Security Checklist

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