[willmon2000]

I have a two-wire routher, i just started my DSL subscription with AT&T. I want to set up the most secure wireles authentication for my security. Here is a pic of the option availiable.

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All very well setting up the appropriate security, but no good if you don't have hardware that is compatible with it!
WPA2 is the most secure, but some older network hardware doesn't work with it.
Failing that, WPA is the next best option. WEP is about as secure as swiss cheese.

[Neil Jones]

All very well setting up the appropriate security, but no good if you don't have hardware that is compatible with it!
WPA2 is the most secure, but some older network hardware doesn't work with it.
Failing that, WPA is the next best option. WEP is about as secure as swiss cheese.

[jamenixon]

Enabling encryption is essential otherwise everyone will enter in your radio frequency range and misuse your wireless network. They may hack your computer. They may know your usernames and passwords.DO NOT USE WEP (WEP is trivially broken)DO NOT USE A DICTIONARY BASED WORD FOR YOUR WPA/WPA2 PSK.
DO USE WPA2 (BEST) or WPA (NEXT BEST) WITH A NON-DICTIONARY PSK. Security mode-WPA2 pre-shared key only. WPA algorithms- AES. Use AES encryption where you can, it's the strongest available.