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Nortel Networks WAG54G User Manual

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Appendix B: Wireless Security
Security Threats Facing Wireless Networks

Wireless-G ADSL Gateway

WPA Pre-Shared Key. If you do not have a RADIUS server, Select the type of algorithm, TKIP or AES, enter a
password in the Pre-Shared key field of 8-64 characters, and enter a Group Key Renewal period time
between 0 and 99,999 seconds, which instructs the Gateway or other device how often it should change the
encryption keys.

WPA RADIUS. WPA used in coordination with a RADIUS server. (This should only be used when a RADIUS
server is connected to the Gateway or other device.) First, select the type of WPA algorithm, TKIP or AES.
Enter the RADIUS server’s IP Address and port number, along with a key shared between the device and the
server. Last, enter a Group Key Renewal period, which instructs the device how often it should change the
encryption keys.

RADIUS. WEP used in coordination with a RADIUS server. (This should only be used when a RADIUS server is
connected to the Gateway or other device.) First, enter the RADIUS server’s IP Address and port number, along
with a key shared between the device and the server. Then, select a WEP key and a level of WEP encryption,
and either generate a WEP key through the Passphrase or enter the WEP key manually.

Implementing encryption may have a negative impact on your network’s performance, but if you are transmitting
sensitive data over your network, encryption should be used.

These security recommendations should help keep your mind at ease while you are enjoying the most flexible
and convenient technology Linksys has to offer.