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There are 43 articles & tutorials regarding "802.11".
- 13.) Site Survey Tools Simplify 802.11 Deployments
- By Jim Geier Wireless LAN installation is tricky. Unlike wired networks, you can't visualize the wireless medium. The construction of a facility and silent sources of RF interference impact the propagation of radio waves, often in odd ways. This hinders your ability to plan the location of access points. How do you avoid these drawbacks? Perform an RF site survey using appropriate site survey tools that help you plan access point locations for adequate coverage and resiliency to...
Found at 802.11 PLANET
- 14.) 802.1X Offers Authentication and Key Management
- By Jim Geier With 802.11's optional WEP (Wired Equivalent Privacy), all access points and client radio NICs on a particular wireless LAN must use the same encryption key. Each sending station encrypts the body of each frame with a WEP key before transmission, and the receiving station decrypts it using an identical key upon reception. This process reduces the risk of someone passively monitoring the transmission and gaining access to the information that the frames are carrying. A major...
Found at 802.11 PLANET
- 15.) A Technical Comparison of TTLS and PEAP
- by Matthew Gast author of 802.11 Wireless Networks: The Definitive Guide 10/17/2002 Related Reading 802.11 Wireless Networks: The Definitive Guide Creating and Administering Wireless Networks By Matthew Gast Table of Contents Index Sample Chapter Read Online--Safari Broadly speaking, wireless LAN security has two major issues. Authentication of network users is not strong, so unauthorized users may be able to access network resources. Traffic encryption is also weak, so attackers are...
Found at O'Reilly Network
- 16.) Wireless LAN Security: A Short History
- by Matthew Gast , author of 802.11 Wireless Networks: The Definitive Guide 04/19/2002 If you're holding back on an 802.11 deployment because of security concerns, you're not alone. Research indicates that the perceived insecurity of wireless networks is a major inhibitor to further market growth. This short history of the security issues in wireless networks should help shed some light on the problem. How the security problems affect you depends on your goals and the type of network you...
Found at O'Reilly Network
- 17.) Choosing Optimum RF Channels
- By Jim Geier October 24, 2005 With 802.11 wireless LANs (WLANs), an AP (AP) is set to a specific radio frequency (RF) channel. As part of the association process, each user's wireless network interface card scans all channels, detects the AP, and then tunes to the channel of the AP to complete a connection. In order to deploy an effective wireless network, each adjacent AP within range of another should be set to different, non-overlapping RF channels. This minimizes contention between...
Found at Wi-Fi Planet
- 18.) Wireless LAN Tools: Analyze This (Part 1)
- By Lisa Phifer Wireless LANs based on 802.11 Wi-Fi protocols are deceptively simple to install, but achieving optimum or even acceptable levels of security and performance can be tough. Many operators don't really know how their WLAN is being used, if outsiders are consuming WLAN resources, or whether fine-tuning could improve quality of service. Traditional traffic monitoring and diagnostic tools used in 802.3 Ethernet LANs are helpful in wireless LANs too--particularly those aimed at...
Found at Wi-Fi Planet
More articles & tutorials (Index of all articles & tutorials)
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