Airgo Networks AGN1023PC0200 2.4GHz True MIMO PC Card User Manual
Airgo Networks Inc. 2.4GHz True MIMO PC Card
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![Wireless SecurityInstallation and User Guide: Wireless LAN Client Adapter 25wireless communication standard, wireless security continues to evolve, as shortcomings of existing security solutions are uncovered and new solutions are adopted. [Company Name - Short] products provide a complete state-of-the-art security solution for 802.11 wireless networks, using the native wireless support in Windows 2000 and Windows XP where appropriate. Wireless security encompasses two major components: encryption and authentication. Encryption is the means by which data transferred across the wireless link are protected from eavesdropping. Authentication is the means by which the access point verifies the identity of your PC and your identity, and confirms that you have permission to use the network.EncryptionEncryption protects wireless data from being intercepted and deciphered during transmission, and thereby assures the security of your data. Several encryption options are supported:•AES (Advanced Encryption Standard) — excellent financial-grade security•TKIP (Temporal Key Integrity Protocol) — good security, as an upgrade to legacy systems•WEP (Wired Equivalent Privacy) — minimal protection security, acceptable only for non-critical data•Open or no encryption — no protection, use only for non-critical communications or with other security protection such as https or VPN/IPsec for corporate communicationsThe latest and most effective encryption methods are part of the WPA (Wi-Fi Protected Access) cipher suite and are recommended for all environments in which security is an important consideration, whether in the enterprise, small office or home. WPA provides much more complete protection against discovery of encryption keys than do the earlier WEP standards. WPA itself has already spawned two generations of encryption technology, with AES being the latest and most effective standard. TKIP is the encryption protocol that was first introduced with WPA, but it provides less complete protection than does AES.The original 802.11 wireless communication specification standard included WEP for wireless security. Although still widely used today, WEP security does not provide adequate protection against discovery of encryption keys, and may therefore be vulnerable to attack. Use WEP only in cases where the access point does not support higher level security and security is a consideration in your network design.The WEP algorithm requires an encryption key, which is a code used in the encrypting and decrypting of data. Although all WEP methods are vulnerable, 128-bit keys are somewhat more difficult to decrypt than 64-bit keys. WEP provides the option of entering a key in ASCII (text) or hexidecimal (numeric) format. ASCII keys are useful as a text passphrase, while hexidecimal keys provide more protection and support for other devices. Key generation can be manual or automatic, with automatically generated keys providing more protection.AuthenticationEffective authentication methods rely on manual distribution of shared or pre-shared authentication keys or automatic generation of keys by use of a RADIUS (Remote Authentication Dial-In User Service) server. A shared or pre-shared key is an authentication string entered at the access point and client PCs. Authentication takes place by matching the key stored in each PC with the key stored in the access point.](https://usermanual.wiki/Airgo-Networks/AGN1023PC0200.User-manual/User-Guide-463812-Page-31.png)
![Installation and User Guide: Wireless LAN Client Adapter 29GlossaryThis glossary defines terms that apply to wireless and networking technology in general and [Company Name - Short] products in particular.802.1x Standard for port-based authentication in LANs. Identifies each users and allows connectivity based on policies in a centrally managed server.802.11 Refers to the set of WLAN standards developed by IEEE. The three commonly in use today are 802.11a, 802.11b, and 802.11g, sometimes referred to collectively as Dot11.Access Control List (ACL) A list of services used for security of programs and operating systems. Lists users and groups together with the access awarded for each.Access Point (AP) An inter-networking device that connects wired and wireless networks together. Also, an 802.11x capable device that may support one or more 802.11 network interfaces in it and co-ordinates clients stations in establishing an Extended Service Set 802.11 networkAdvanced Encryption Standard (AES) An encryption algorithm developed for use by U.S. Government agencies and now incorporated into encryption standards for commercial transactions.Client Utility (ACU) Application that executes on a client station and provides management and diagnostics functionality for the 802.11 network interfaces.Ad-Hoc network A group of nodes or systems communicating with each other without an intervening Access Point. Many wireless network cards support ad-hoc networking modes.Authentication Server A central resources that verifies the identity of prospective network users and grants access based on pre-defined policies.Authentication Zone A administrative grouping of resources for user authentication.Backhaul The process of getting data from a source and sending it for distribution over the main backbone network. Wireless backhaul refers to the process of delivering data from a node on the wireless network back to the wired network. Also referred to a WDS.x.](https://usermanual.wiki/Airgo-Networks/AGN1023PC0200.User-manual/User-Guide-463812-Page-35.png)
