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Home > Wireless network security guide |
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Table of Contents Wireless network security definitions and terms •Definition: WEP As specified in the IEEE Wireless Fidelity (Wi-Fi) standard, 802.11b,Wired Equivalent Privacy, or WEP, is a security protocol that is designed to provide a wireless local area network (WLAN) with a level of security and privacy comparable to what is usually expected of a wired LAN. Generally, a wired local area network (LAN) is protected by physical security mechanisms (controlled access to a building, for example) that are effective for a controlled physical environment, but may not be effective for WLANs because radio waves are not necessarily bound by the walls containing the network. WEP seeks to establish similar protection to that offered by the wired network's physical security measures by encrypting data transmitted over the WLAN. Learn more in this full WEP definition. Created to provide username/password-based authentication between a wireless client and a RADIUS server like Cisco ACS or Interlink AAA, Cisco Lightweight Extensible Authentication Protocol (LEAP) is also known as Cisco-Wireless EAP. This is one of several protocols used with the IEEE 802.1X standard for LAN port access control. Learn more in this article on Cisco LEAP. A service set identifier (SSID) is a sequence of characters that uniquely names a wireless local area network (WLAN). An SSID is sometimes referred to as a "network name." This name allows stations to connect to the desired network when multiple independent networks operate in the same physical area. Learn more in this full SSID definition. EAP is the Extensible Authentication Protocol, originally designed for dial-up PPP sessions. Lightweight EAP (LEAP), also known as Cisco EAP, is one of several EAP types that can be used with wireless LANs. Learn more in this expert tip on EAP vs LEAP. LEAP and PEAP are extensible authentication protocols that provide stronger authentication for newer 802.11 WLANs that support 802.1X port access control. LEAP is a Cisco-proprietary protocol; PEAP is a newer draft that is gathering support to become an Internet standard. Learn more in this expert tip about using LEAP and PEAP. War driving, also called access point mapping, is the act of locating and possibly exploiting connections to wireless local area networks while driving around a city or elsewhere. Find out more in this definition of war driving. Wireless security protocols Wireless security tips and best practices VPN network and Wi-Fi security
War driving software Wireless analyzers This guide includes methods for diagnosing WLAN errors and troubleshooting. Wireless security books Wireless security FAQ Find out about WEP issues and challenges and Wireless LANs (WLANs) security problems in this expert tip. Pose your own question in our Ask the Expert feature.
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