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Chapter 2. Using the Wireless LAN Configuration Utility
8 Intel® PRO/Wireless 2011B LAN USB Device Users Guide
2.4 Implementing Security
The Encryption tab allows you to set up WEP encryption to protect your wireless network. WEP
encryption uses either a 64-bit key or 128-bit key to provide security during every data
transmission.
Each wireless device on your network must use the same encryption method and keys.
Choose one of the following settings from the Encryption(WEP) drop down box:
• Disabled: Data is not encrypted.
• 64-bit: All communication is encrypted with a 64-bit key.
• 128-bit: All communication is encrypted with a 128-bit key. This setting gives you the best
security, but network performance is slightly less.
For security purposes, the utility displays asterisks for the encryption key every time the Wireless
LAN Configuration Utility window is closed and then re-opened.
To use 64-bit WEP Encryption
1. Select 64-bit from the Encryption (WEP) drop down box.
2. Enter a key. The WEP key values are hexadecimal and can only contain the numbers 0 through
9 and the letters a through f.