UTT TECHNOLOGIES UTT Router User Manual
SHANGHAI UTT TECHNOLOGIES CO., LTD. Router
User manual
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| Document Description | User manual |
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| Document Type | User Manual |
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| Date Submitted | 2009-09-01 00:00:00 |
| Date Available | 2009-09-01 00:00:00 |
| Creation Date | 2009-08-10 05:41:44 |
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| Document Lastmod | 2009-09-01 14:23:22 |
| Document Title | User manual |
| Document Creator | Microsoft® Office Word 2007 |
| Document Author: | XJH |
HiPER 811 Quick Guide 2009-3-17 Version: 1.2 Copyright Notice Copyright © 2000-2009, Shanghai UTT Technologies Co., Ltd. All rights reserved. The information of this publication is protected by copyright. No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language without written permission from the copyright holders. The scope of delivery and other details are subject to change without prior notice. Trademark UTT® is a registered trademark of Shanghai UTT Technologies Co., Ltd. HiPER® is a registered trademark of Shanghai UTT Technologies Co., Ltd. Other trademarks and registered trademarks of products mentioned in this publication may be the properties of their respective owners and are only used for identification purposes. Warning This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. Caution: Any changes or modifications to this device not explicitly approved by manufacturer could void your authority to operate this equipment. Table of Contents About This Guide ................................................................................................................. 1 0.1 Conventions ............................................................................................ 1 0.1.1 Conventions for page path ..................................................................... 1 0.1.2 Common Button ...................................................................................... 1 0.1.3 List .......................................................................................................... 2 0.1.3.1 Editable List ............................................................................................ 2 0.1.3.2 Read-only List ......................................................................................... 3 0.1.3.3 Sorting Function...................................................................................... 4 0.2 Factory Default Settings ......................................................................... 4 Chapter 1 Product Overview ................................................................................... 5 1.1 Key Features .......................................................................................... 5 1.2 Specifications .......................................................................................... 7 Chapter 2 2.1 Physical Installation ................................................................................ 8 Front Panel ............................................................................................. 8 2.1.1 LEDs ....................................................................................................... 8 2.1.2 Ports ........................................................................................................ 9 2.1.3 Reset Button ........................................................................................... 9 2.2 Connecting the Device ......................................................................... 11 Chapter 3 Quick Setup Guide................................................................................ 12 3.1 Configure PC ........................................................................................ 12 3.2 Login the Device ................................................................................... 14 3.3 Internet Connection .............................................................................. 17 3.3.1 Internet Connection Setup .................................................................... 17 3.3.1.1 PPPoE Connection ............................................................................... 19 3.3.1.2 Static IP Connection ............................................................................. 22 3.3.1.3 DHCP Connection ................................................................................ 23 3.3.2 Internet Connection List........................................................................ 24 3.3.3 How to Dial and Hang up a PPPoE connection ................................... 26 3.3.4 How to Renew and Release a DHCP Connection................................. 27 3.3.5 How to Edit the Connection .................................................................. 28 Page I 3.3.6 3.4 How to Delete the Connection .............................................................. 28 Network Security................................................................................... 29 3.4.1 Virus Defense ....................................................................................... 29 3.4.2 Rate Limit .............................................................................................. 30 3.5 ARP Spoofing Defense ......................................................................... 31 3.5.1 ARP Spoofing Defense Setup .............................................................. 31 3.5.2 Dynamic ARP Table .............................................................................. 31 3.5.3 How to Defense Against ARP Spoofing Attack ..................................... 32 3.6 Port Forwarding .................................................................................... 33 3.6.1 Port Forwarding Setup .......................................................................... 33 3.6.2 Port Forwarding Rule List ..................................................................... 34 3.7 Change Administrator’s Password ....................................................... 35 3.8 Remote Management ........................................................................... 36 Appendix Contact Information ........................................................................................... 37 Page II About This Guide Note For best use of our product, it is strongly recommended that you update Windows Internet Explorer browser to 6.0 or above. 0.1 Conventions 0.1.1 Conventions for page path Lever one menu > lever two menu（bold）means the menu path to open some configuration page. E.g. System admin > Time means that in web interface, first click level one menu system admin, then click level two menu Time to open clock management page. 0.1.2 Common Button Following common action buttons are used in this doc. : Save and apply current settings. : Cancel current settings and recover to the previous saved settings. : Refresh the information on page. : Acquire related help information. Page 1 : Delete the selected entry(s) with the corresponding settings. 0.1.3 List In web page there are two kinds of lists: Editable list and read-only list. 0.1.3.1 Editable List Editable list is used to display, edit and delete configuration item. Let us take DHCP Static Binding List (see Table 0-1) as an example to explain the functions. Table 0-1 DHCP Static Binding List : Current page number/ total pages, the example means the current page is first page, and total one page. : Go to the first page. : Go to the previous page. : Go to the next page. : Go to the last page. : Enter page number in text field, then click Go to or typeto Page 2 jump to that page. : Enter the search text in text field, then type to display all the matched entries, besides, you can search within results. After search, if you want to display all the entries, you only need type in empty text field. Note: The match criterion is that search text exists in entry’s information. : Created entry number / maximum number, the example means two DHCP static binding entries have been set up and the maximum configurable entries number is 53. : Click to open corresponding edit page. : Select it to select all the entries in current page. Else, unselect all the entries. : First select some entry(s) (by selecting the leftmost check box), and then click it to delete the selected entry(s). 0.1.3.2 Read-only List Read-only list is used to display the system status information that is not editable. Let us take DHCP Leases List (see Table 0-2) as an example to explain the functions. Table 0-2 DHCP Leases List have the same meaning of the former. Page 3 : Current status entry number /maximum number，the example means there are two status information entry in the list. : Refresh the list to view current status of the list. 0.1.3.3 Sorting Function Except Access Rule List in Advanced Setup > Access Rule page, all the lists in web page support sorting function. Steps are as following: Clicking the column title in list will make the list sorts the data by clicked column. The first click makes it sorted descendingly. And the secondary click makes it sorted ascendingly. The third one is descending again, and so forth. Each sorting will make the list display the first page. 0.2 1. Factory Default Settings The following table provides the factory default settings of Interfaces. Interface IP Address Subnet Mask LAN 192.168.16.1 255.255.255.0 WAN 192.168.17.1 255.255.255.0 Table 0-3 the Factory Default Settings of Interfaces 2. The default administrator’s user name is Default (case sensitive) with empty password. Page 4 Chapter 1 Product Overview The HiPER 811 security gateway/VPN firewall is a purpose-built security system designed for small-sized businesses and enterprise branch offices. The HiPER 811 integrates a rich suite of functions, including L2TP/PPTP/IPSec VPN, NAT/PAT, firewall, bandwidth management, DHCP server/client, popular attack defense capability, system management and monitor, and so on. 1.1 Key Features Operation mode: NAT/NAPT, route and hybrid mode Internet connection type: PPPoE, Static IP and DHCP Supports Express Forwarding, excellent performance Built-in firewall，Defense against ARP spoofing, DoS/DDoS attack, port scanning, Worm.Blaster, Worm.Sasser, etc. Supports NAT port forwarding, DMS host Supports NAT ALG: ICMP, FTP, GRE, PPTP, ESP ALG, etc. Supports NAT sessions limit for each internal host Supports bandwidth limit for each internal host Supports IP packet filtering IP address, protocol and TCP/UDP port filtering Supports Web content filtering: URL and keyword filtering Filtering based on schedule IM (instant messenger) control: block or allow IM application, e.g., MSN and QQ Page 5 Messenger P2P (peer-to-peer) control: block or allow P2P application, e.g., BitTorrent and BitSpirit Supports personal policy settings to realize personal service according to need Provide hierarchy management structure (include personal, group and global) to flexibly manage the internal users Supports IP/MAC binding, blacklist and whitelist Setting IP/MAC intelligent binding: automatic binding and batch binding Supports DHCP Server and Client，DHCP static binding； Supports SNTP (Simple Network Time Protocol) Supports DDNS (Dynamic DNS) Supports Port-based VLAN Supports UPnP Supports port mirror Supports MAC address clone Supports static route，dynamic route protocol: RIP I and RIP II Supports NAT traversal of IPSec, PPTP and L2TP Provides Web user interface, Command line interface (Telnet) Remote management via Web or CLI Supports SYSLOG, SNMP v1 and v2c Configuration file backup and restore Firmware upgrade via TFTP or Web Multi-level administration privileges Built-in diagnostic tool: ping, traceroute, nslookup Real-time monitoring, logging, alarms of system activities Supports IPSec, L2TP and PPTP VPN FQDN (fully qualified domain name) support for dynamic IP address VPN connections Site-to-site VPN, remote access VPN (client-to-site) VPN pass-through of L2TP, PPTP, IPSec L2TP server and client, PPTP server and client Page 6 IPSec features as followed: 1. AutoIKE based on preshared key and manual key tunnels 2. ESP and AH protocols 3. DES, 3DES and AES 128/192/256 encryption algorithm 4. MD5 and SHA-1 hash algorithm 5. Diffie-Hellman group 1, 2 and 5 6. Main mode and aggressive mode 7. DPD (dead peer detection) and Anti-Replay 8. Hub-spoke and mesh connections 1.2 Specifications Conforms to IEEE 802.3 Ethernet and IEEE 802.3u Fast Ethernet standards Supports TCP/IP, PPPoE, DHCP, ICMP, NAT, Static Route, RIPI/II, SNMP (MIB II), etc. Supports 4-port LAN switch, a WAN port, and a reset button Supports Auto-negotiation for 10/100Mbps and duplex mode for each physical port Supports Auto MDI/MDI-X for each physical port Provides status LEDs Environment: Operating Temperature: 32ºF to 104ºF (0ºC to 40ºC) Storage Temperature: 32ºF to 158ºF (0ºC to 70ºC) Operating Humidity: 10% to 90%, Non-condensing Storage Humidity: 10% to 90%, Non-condensing Power Supply: 180V to 240V AC, 50/60Hz Page 7 Chapter 2 Physical Installation This section describes how to install the Device. 2.1 Front Panel The LEDs and network ports are located on the front panel of the Device. Figure 2-1 Front Panel 2.1.1 LEDs The LEDs give real-time information of system status. The following table provides description of the LEDs status and their meaning. LED PWR Status Description Green The Device is powered on. Off The Device is powered off. When system is working well, the status light will SYS Blinking blink twice per second, and it will blink slower under heavy load. Off or Green Ever-on or ever-off means system is abnormal. Page 8 TRF FLT Link/Act 100M Blinking Network activity on the Device. Off No activity on the Device. Blinking The Device is not operating correctly. Off The Device is operating correctly. Green Valid link on the associated port. Blinking Network activity on the associated port. Off No link established on the associated port. Green The associated port is connected at 100Mbps. Off The associated port is connected at 10Mbps. Table2-1 LEDs Description 2.1.2 Ports Interface LAN (1, 2, 3, 4) Description These Ethernet ports connect the Device to wired computers, hubs, switches, and other Ethernet network devices. This port connects to a cable or DSL modem, or other Ethernet WAN network device. Table2-2 Ports Description 2.1.3 Reset Button If you want to reset the Device to the factory default settings, press and hold in the Reset button for more than 5 seconds when the Device is on, then release the button. After that, the Device will restart with the factory default settings. Note Page 9 1. The reset operation will clear all the settings and preferences that you have configured. 2. You can also reset the Device to the factory defaults on the System Admin > Backup & Restore page. Page 10 2.2 Connecting the Device Before you install the Device, please make sure your PC can connect to the Internet through your broadband service successfully. If there is any problem, please contact with your ISP for help. After that, please install the Device according to the following steps. Don’t forget to pull out the power plug and keep your hands dry. Step 1 Power off your PC(s), Cable/DSL modem, and the Device. Step 2 Connect the PC(s) and the Switches or Hubs on your LAN to the Device’s LAN port (see Figure 2-2). Step 3 Connect the Cable/DSL modem to the Device’s WAN port (see Figure 2-2). Step 4 Connect the power cord to the power connector on the back panel of the Switch. Then plug the other end of the power cord to a grounded three-prong AC power outlet. The Device will start to work automatically. Step 5 Power on your network devices, PCs, Switches, Hubs, and so on. Figure 2-2 Connecting the Device Page 11 Chapter 3 Quick Setup Guide After you have connected the Device into your network, you may configure it. This chapter describes how to configure the basic functions of your Device. It will only take you a few minutes. You can access the Internet via the Device immediately after it has been successfully configured. 3.1 Configure PC Before set up the Device, you need to install and configure TCP/IP properties on each network PC. Step 1 Connect the PC to the Device’s LAN port. Step 2 Install TCP/IP protocol components on your PC. If it has been installed, please ignore it. Step 3 Setup IP settings for your PC. You can setup manually or configure the PC to obtain an IP address automatically. Setup manually: Your PC’s IP address should be within the range from 192.168.16.2 to 192.168.16.254, the default gateway should be 192.168.16.1 (LAN interface’s IP address), and the DNS server should be provided by your ISP. Setup automatically: In the Internet Protocol (TCP/IP) Properties screen, select Obtain an IP address automatically. The Device’s built-in DHCP server will automatically assign an IP address to the PC. Step 4 To verify the network connection between your PC and Device, you can use the ping command at the command prompt on the PC: Ping 192.168.16.1 If the displayed page is similar to the screenshot below, the connection between your PC and Device has been established. Page 12 If the displayed page is similar to the screenshot below, it means that your PC has not connected to the Device. If it is failed to connect, please check it follow the steps below: 1. Is the connection between your PC and the Route correct? The LEDs of LAN port which links to the device and the LED on your PC’s adapter should be lit. 2. Is the TCP/IP configuration for your PC correct? If the Device’s IP address is 192.168.16.1, your PC’s IP address should be within the range from 192.168.16.2 to 192.168.16.254, the gateway should be 192.168.16.1. Page 13 3.2 Login the Device Once your PC is properly configured, please do the following to use the Web-based Utility. For local access of the Device’s web-based utility, launch your web browser, and enter the Device’s default IP address: 192.168.16.1, in the RUL filed (see Figure 3-1). Then press the Enter key. Figure 3-1 Address Bar A login screen prompts you for your User name and Password. Enter Default (case sensitive) in the User name field, and keep the Password field empty (see Figure 3-2). Then click OK. Figure 3-2 Login Screen Page 14 The first screen that appears is the Homepage (see Figure 3-3). Level One Menu Model and Version Start Menu Click to Restart the Device Click to jump to the related page Figure 3-3 Homepage Note If you have not setup the Internet connection yet, the system will push a prompt dialog box as below: Page 15 Figure 3-4 A Dialog Box Please click OK, then you can do common settings through the Start menu (see Figure 3-5), which including: Internet Connection, Network Security, Port Forwarding Rule, ARP Spoofing Defense, User Personal Policy, User Group Policy, Firewall Policy and System Info. Figure 3-5 Start Menu Page 16 3.3 Internet Connection Click Start > Internet Connection，it will jump to Basic Setup > Internet Connection page. This page lets you setup the Internet Connection, view its status, and modify or delete it. Note 1. When you have finished the Internet connection setup, it is strongly recommended that you go to Start > Network Security page to do essential security settings. 2. If you change the IP address of the LAN interface during the connection setup, you should use a new address to login to the Device. And the default gateway of each LAN PC should use this new address to access Internet. 3.3.1 Internet Connection Setup At first, please click the Default hyperlink of the connection entry in the Internet Connection List (see Figure 3-6). Then select Connection Type provide by your ISP. Connection Name: The connection name is Default, which is reserved by system. You can’t modify it. Physical Interface: The Default connection is bound to the WAN interface, you can’t modify it. Connection Type: Select connection type from the radio boxes, which is provided by your ISP, available options: PPPoE, Static IP and DHCP (Obtain an IP automatically). PPPoE: Some DSL-based Internet Service Providers (ISPs) use PPPoE (Point-to-Point Protocol over Ethernet) to establish Internet connections for end-users. If you use a DSL line, check with your ISP to see if they use PPPoE, Page 17 and then select PPPoE; Static IP: If you are required to use a permanent IP address, select Static IP; DHCP: If your ISP automatically assigns an IP address, select DHCP. Most cable modem subscribers use this connection type. ① Click Default ② Select Type Figure 3-6 Select Connection Type Depending on which connection type you select, you will see various settings. We will describe the settings for each connection type respectively (see chapter 3.3.1.1, 3.3.1.2 and 3.3.1.3). Page 18 3.3.1.1 PPPoE Connection If you choose PPPoE connection type, you will see the following page. Figure 3-7 PPPoE Connection Setup User Name and Password: Enter the PPPoE login user name and password provided by your ISP. Page 19 PPP Authentication: Select PPP authentication mode from this drop-down box, available options: NONE, PAP, CHAP and Either. PAP: Password Authentication Protocol; CHAP: Challenge Handshake Authentication Protocol; None: It means that there is no protocol will be used. Either: It means that the Device will automatically negotiate it with the peer device. LAN IP Address: Enter the IP address for the Device’s LAN interface. LAN Subnet Mask: Enter the subnet mask for the Device’s LAN interface. Primary DNS Server: Enter the IP address of your ISP’s primary DNS server. Secondary DNS Server: Enter the IP address of your ISP’s secondary DNS server if it is available. Advanced Options: Select this check box to configure advanced parameters. In most case, you need not configure them. Service Name: Enter the Service Name, if provided by your ISP. MRU: The MRU (Maximum Receive Unit) setting specifies the largest packet size permitted for network receive. In most cases, keep the default value (1492). When dialing, the Device will automatically negotiate it with the peer device. Dial Type: Select type of dial connection from this drop-down box, available options: Always On, Manual and On Demand. Always On: If you want the Device to establish a PPPoE session when starting up and to automatically re-establish the PPPoE session once disconnected, select this option. Manual: If you want to dial and hang up a PPPoE session manually, select this option. In the case of Manual type, you should dial and hang up manually in the Internet Connection List on Basic Setup > Internet Connection page (See chapter 3.3.3). On Demand: If you want the Device to establish a PPPoE session only when there are packets requesting to access the Internet (i.e., when a program on your computer attempts to access the Internet), select this option. Page 20 Dial Schedule: If you select a schedule (set up on User Admin > Schedule Settings page), it will allow your Device to dial-up only in the selected schedule range. Else, the Device always can dial-up. Online Schedule: If you select a schedule rule (set up on User Admin > Schedule Settings page), your Device can keep the Internet connection active only in the online schedule range. Else, the connection always can keep active. Keepalive Period: When the Internet connection is connected, the Device will periodically send keepalive packets to the peer device per 1000 milliseconds. If the Device does not receive a response during a specified period (set by Keepalive Period), it will terminate the connection. Idle Timeout: This determines how long the Device keeps the Internet connection active after no Internet activity. If you set the value to zero, the Device will not terminate it. Session Timeout: This determines how long the Device keeps the Internet connection active since connected. If you set the value to zero, the Device will not disconnect it. Priority: It specifies the routing priority for connected connection. When there are several connections having the same destination subnet, the Device will choose the connection having the highest priority to transmit the packets. The lower value means the higher priority. Down Priority: It specifies the routing priority for disconnected connection. When there are several connections having the same destination subnet, the Device will choose the connection having the highest priority to dial-up. The lower value means the higher priority. Dial Sub-interface: This Device doesn’t support it. Page 21 3.3.1.2 Static IP Connection If you choose Static IP connection type, you will see the following page. Figure 3-8 Static IP Connection Setup LAN IP Address: Enter the IP address for the Device’s LAN interface. LAN Subnet Mask: Enter the subnet mask for the Device’s LAN interface. WAN IP Address: Enter the IP address for the Device’s WAN interface, which is provided by your ISP. WAN Subnet Mask: Enter the subnet mask for the Device’s WAN interface, which is provided by your ISP. Default Gateway: Enter the IP address for the default gateway, which is provided by your ISP. Primary DNS Server: Enter the IP address of your ISP’s primary DNS server. Secondary DNS Server: Enter the IP address of your ISP’s secondary DNS server if it is available. Page 22 3.3.1.3 DHCP Connection If you choose DHCP connection type, you will see the following page. Figure 3-9 DHCP Connection Setup LAN IP Address: Enter the IP address for the Device’s LAN interface. LAN Subnet Mask: Enter the subnet mask for the Device’s LAN interface. WAN MAC Address: This field displays the current MAC address of the WAN interface. In most cases, you need not change it. But when using DHCP connection type, your ISP may only allow one MAC address to be registered. To bypass this restriction, you should enter the registered MAC address that is stored by your ISP. Primary DNS Server: Enter the IP address of your ISP’s primary DNS server. Secondary DNS Server: Enter the IP address of your ISP’s secondary DNS server if it is available. Page 23 3.3.2 Internet Connection List When you have configured the Default connection, you can view its status in the Internet Connection List (see Table 3-1). To view current status of the connection, click Refresh button. Table 3-1 Internet Connection List Table 3-1 Internet Connection List (continued) Name: It displays the connection’s name. Interface: It displays the name of the physical interface to which the connection is bound. Connection Type: It displays the connection’s type. In the case of PPPoE type, it will also display the user name. Connection Status: It displays current status of the connection. We will describe each connection type respectively. Page 24 1. PPPoE Connection Status There are eight kinds of status for PPPoE connection (see Table 3-2). During it is in connected status, it will also display the elapsed time (day: hour: minute: second) since connected. Status Description Closed The physical interface is inactive, or not dial-up. Dialing Start dialing up, but not receive response yet. Authenticating Server responded and is authenticating. Connected Authenticated succeed, and the connection is established and ready for date transmit. Disconnecting The PPPoE session is disconnecting. Hang up Either peer has hanged up. Disconnected PPPoE session has terminated, waiting for dialing up. Internal Error Undefined status. Table 3-2 Description of Connection Status – PPPoE 2. Static IP Connection Status There are three kinds of status for Static IP connection (see Table 3-3). Status Description Closed The physical interface is inactive. Connected Internal Error The connection is established between the local and peer devices. Undefined status. Table 3-3 Description of Connection Status – Static IP 3. DHCP Connection Status There are three kinds of status for DHCP connection (see Table 3-4). During it is in connected status, it will also display the time left before the lease expires (day: hour: minute: second) for current IP address, which is assigned by your ISP’s DHCP server. Page 25 Status Closed Description The physical interface is inactive, or the connection has release the IP address but not request a new one yet. Connecting Requesting an IP address. Connected Have acquired an IP address, the connection is established. Internal Error Undefined status. Table 3-4 Description of Connection Status – DHCP NAT Status: It displays whether the connection enable NAT function or not. The system will automatically enable NAT function during connection setup. Rx Rate(bps): It displays current download rate of the connection during the refresh interval. Tx Rate(bps): It displays current upload rate of the connection during the refresh interval. IP Address, Subnet Mask and Default Gateway: They display the IP settings status of the Device as seen by the external users of the Internet. If your connection type is PPPoE or DHCP, it will show the information currently being used, which received from your ISP’s PPPoE or DHCP server. If your connection type is Static IP, the information will be the same as your input. 3.3.3 How to Dial and Hang up a PPPoE connection If your connection type is PPPoE, when you click the Default hyperlink of the connection entry, the Dial, Disconnect and Refresh buttons will show below the list (see Table 3-5). Note If you have chosen Manual as Dial Type for your PPPoE connection (see chapter 3.3.1.1), you need click Dial button to dial-up the Internet connection, and click Disconnect button to hang it up here. Page 26 Click Refresh button to view current status of the connection. Table 3-5 Internet Connection List - PPPoE Connection 3.3.4 How to Renew and Release a DHCP Connection If your connection type is DHCP, when you click the Default hyperlink of the connection entry, the Renew, Release and Refresh buttons will show below the list (see Table 3-6). Click Renew button to re-acquire an IP address from the ISP’s DHCP server. Click Release button to release the IP address obtained from the ISP’s DHCP server. Click Refresh button to view current status of the connection. Table 3-6 Internet Connection List - DHCP Connection Page 27 3.3.5 How to Edit the Connection If you want to edit the connection, do the following: Step 1 In the Internet Connection List, click the Default hyperlink of the connection entry, the related information will display in the setup fields. Step 2 Modify the connection settings. Step 3 Click Apply button to save and apply your settings. 3.3.6 How to Delete the Connection If you want to delete the connection, do the following: Step 1 In the Internet Connection List, click the Default hyperlink of the connection entry, the related information will display in the setup fields. Step 2 In the Connection Type radio boxes, select none (See Figure 3-10). Step 3 Click Apply button to delete the connection. Figure 3-10 Delete the Connection Page 28 3.4 Network Security On the Start > Network Security page, you can do essential security settings: virus defense and rate limit. You can’t go to this page if the Internet connection hasn’t been configured yet. Note When you click Apply button to save and apply your settings, the system will automatically enable the Synchronize with SNTP Server function (you also can setup it in System Admin >Time page), so it will acquire standard time once connected to Internet. 3.4.1 Virus Defense In this section (see Figure 3-11), you can do basic security settings to effectively defense ARP spoofing attack, Dos and DDoS attack, and popular virus attack (e.g., Worm.Blaster and Worm.Sasser). It will make your network robust and security. Figure 3-11 Virus Defense Enable ARP Spoofing Defense: To protect the Device against ARP spoofing attack effectively, select this check box, and then bind all IP/MAC address pairs of the whole LAN PCs (setup on Security > ARP Spoofing Defense, see chapter 3.5.2). Enable Auto IP/MAC Binding: If you select this check box, it will periodically detect active hosts connected to the device, and immediately bind all of the new valid dynamic ARP information (IP and MAC address pairs) once learned them. Page 29 Enable Popular Virus Defense: Select this check box to protect the device against popular virus attack, e.g., Worm.Blaster and Worm.Sasser. And it will discard those TCP packets whose destination port is 135, 136, 137, 138, 139, 445, 1025, 5554 or 9996, so your LAN hosts can’t access related services provided by outside hosts, e.g., windows file sharing and print sharing services. Enable DoS/DDoS Attack Defense: Select this check box to protect the device against popular DoS and DDoS attack. Note If your LAN hosts’ IP addresses often change, it is recommended that you don’t select Enable Auto IP/MAC Binding. If you want to manually bind IP and MAC address pairs, please go to Security > ARP Spoofing Defense page to setup (see chapter 3.5.2). 3.4.2 Rate Limit In this section, you can specify a bandwidth limit for each LAN host. This function lets you allocate bandwidth equally to avoid few hosts occupying too much bandwidth. Figure 3-12 Rate Limit Max. Rx Rate for each LAN Host: Select the maximum download rate for each LAN host. If you don’t want to limit the download rate, select NoLimit. If you want to block internal users from downloading, select Block. Max. Tx Rate for each LAN Host: Select the maximum upload rate for each LAN host. If you don’t want to limit the upload rate, select NoLimit. If you want to block internal users from uploading, select Block. Page 30 3.5 ARP Spoofing Defense Click Start > ARP Spoofing Defense，it will jump to Security > ARP Spoofing Defense page. This page lets you setup ARP Spoofing Defense to protect the device and your LAN hosts. 3.5.1 ARP Spoofing Defense Setup Figure 3-13 ARP Spoofing Defense Restrict ARP Update: Select this check box to disable the gratuitous ARP packets learning function, so the device will discard gratuitous ARP packets directly. This function will effectively protect the device against ARP spoofing attack. Enable ARP Broadcast: Select this check box to enable the device to periodically broadcast gratuitous ARP packets, it will inform your LAN hosts the correct MAC address of the device’s LAN interface. This function will effectively protect your LAN hosts against ARP spoofing attack. Interval: Specify the interval between Gratuitous ARP packets (how often you want the packets to be broadcast). It should be a multiple of 10 between 100 and 5000 (milliseconds). 3.5.2 Dynamic ARP Table Click Scan LAN button (see Figure 3-14), it will automatically detect active hosts connected to the device, learn and display dynamic ARP information (IP and MAC address entries). Page 31 Click Bind All button to bind all current valid IP and MAC address pairs. Figure 3-14 Dynamic ARP Table Note 1. If you want to bind all IP and MAC address pairs in the whole LAN, please make sure that the hosts are turned on, and then click Scan LAN button, last click Bind All button. 2. If you click Scan LAN button, the system will also check if there are any repeated IP or MAC addresses in the Dynamic ARP Table, and then display repeated information above it: repeated MAC addresses indicate that potential ARP spoofing attack existing in your LAN, and repeated IP addresses indicate that potential IP spoofing attack or IP address conflicting existing in it. 3.5.3 How to Defense Against ARP Spoofing Attack To defense against ARP Spoofing Attack, do the following: Step 1 Select both Restrict ARP Update and Enable ARP Broadcast check boxes. Step 2 Turn on all of the hosts in your LAN, and then click Scan LAN button to learn current dynamic ARP information. Step 3 Click Bind All button to bind all current valid IP and MAC address pairs. When you have finished these steps, it will protect the device and your LAN hosts against ARP Spoofing Attack. Page 32 3.6 Port Forwarding Click Start > Port Forwarding, it will jump to Advanced > NAT & DMZ page. In this page, you can setup some port forwarding rules. Port forwarding can be used to set up public services on your network. When users from the Internet make certain requests on your network, the Device can forward those requests to computers equipped to handle the requests. For example, if you set the port number 443 (HTTPS) to be forwarded to IP address 192.168.16.12, then all HTTPS requests from outside users will be forwarded to 192.168.16.12. 3.6.1 Port Forwarding Setup Figure 3-15 Port Forwarding Setup Rule Name: Enter a name. It should be between 1 and 11 characters long. Protocol: Select the protocol which it uses, available options: TCP, UDP and GRE. Start External Port: Enter the lowest port number, which the Device provides for outside users to access. Internal IP: Enter the IP address of the local server that you want outside users to access. Start Internal Port: Enter the lowest port number used by the service. Port Count: Enter the number of ports used by the service. If the service uses only one port number, enter 1. The maximum value is 20. For example, if the start internal port is 21, the start external port is 2000 and the port count is 10, then the Page 33 internal port range is from 21 to 30, and the external port range is from 2001 to 2010. Bind to: Select the NAT rule to which this port forwarding rule is bound. The port forwarding rule will use the NAT rule’s external IP address as the external IP address. Note 1. If you select GRE protocol, the start external port and start external port should be 0, and the port count should be 1. 2. The system will automatically create some port forwarding rules. You can not modify or delete them. 3.6.2 Port Forwarding Rule List Table 3-7 Port Forwarding Rule List Add a Port Forwarding Rule: If you want to add a port forwarding rule, select Add radio box, and then setup it, last click Apply button. View Port Forwarding Rules: When you have created some port forwarding rules, you can view them in the Port Forwarding Rule List. Edit a Port Forwarding Rule: If you want to modify a port forwarding rule you have created, click the Rule Name or Edit hyperlink of this rule entry, the related information will display in the setup fields, and then modify it, last click Apply button. Delete Port Forwarding Rule(s): If you want to delete some port forwarding rules, select the leftmost check boxes of these entries, and then click delete button. Page 34 3.7 Change Administrator’s Password The default administrator’s user name is Default (case sensitive) with empty password. To ensure the Device's security, you had better change the default password and remember it. If the password has been changed, you should enter your new password when you access the Device with the user name Default. If you want to change the password, go to System > Administrator page, do the following setup (see Figure 3-16): Step 1 Click the Default or Edit hyperlink of the default administrator’s entry in the Administrator List, the related information will display in the setup fields. Step 2 Then modify the password in the setup fields. Step 3 Click Apply button to save and apply your settings. ① Click Default ② Modify password ③ Click Apply Figure 3-16 Administrator’s Password Setup Page 35 3.8 Remote Management If you want to allow HTTP, SNMP or TELNET remote management via Internet, go to System Admin > Remote Admin page to setup. Figure 3-17 Remote Management HTTP: Select this check box to allow HTTP remote management. When accessing the Device from Internet, you will enter http:// and enter the Device's WAN IP address, followed by a colon (:) and the port number. For example, if WAN IP address is 218.21.31.3 and the port number is 8081, enter in your browser: http://218.21.31.3:8081. Port: Enter the port number for HTTP remote management. The default value is 8081. SNMP: Select this check box to allow SNMP remote management via Internet. TELNET: Select this check box to allow TELENET remote management via Internet. Note To ensure security, it is strongly recommended that you don’t enable remote management functions unless necessary. If you are sure to enable them, you had better change the default password. Page 36 Appendix Contact Information For help with the installation or operation of this Device, contact UTT Technical Support at one of the phone numbers or Internet addresses below. Technical Support: +86-4006-781-781 E-mail: support@utt.com.cn Official Website: http://www.utt.com.cn Official BBS: http://www.utt.com.cn/bbs Fax: +86-21-52655269 Page 37
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