Asus WL-100gE - Manual (Page 15)

ASUS WLAN Card 15
Quick Start Guide
English
Config - Encryption
Lets you configure the Wireless LAN Card encryption settings. For data confidentiality
in a wireless environment, IEEE 802.11 specifies a Wired Equivalent Privacy (WEP)
algorithm to offer transmission privacy similar to wired network. The WEP uses keys
to encrypt transmit data packets and decrypt received data packets. The encryption
process can scramble frame bits to avoid disclosure to others. The WPA (Wi-Fi Protected
Access) is an improved security system for 802.11 that encryption data sent over radio
waves. The WPA was developed to overcome the weakness of the WEP protocol.
Network Authentication
Because there is no precise bound in wireless LANs, it needs to be implemented in
another mechanism to provide higher level of security. That is where Authentication
services come in. If a mutual authentication relationship has not been established between
stations and Access Point, an association cannot be established.
Open - Select this option allows the network to operate on an Open System mode. A
null authentication algorithm. A station can authenticate with any other station or Access
Point and without checking any WEP Key, even if one exists.
Shared - Select this option allows the network to operate on an Shared Key mode. In a
Share Key Authentication system, four-step exchange of frames is required to validate
that the station is using the same WEP Key as the Access Point.
WPA-PSK - Specifies the use of a preshared key with infrastructure mode. Enables
WPA Preshared key, which enables your client adapter to associate to Access Point
using WPA-PSK.
WPA-None - Specifies the use of a preshared key with Ad Hoc mode.