You don't need it, but it is stronly recommended to use Extended Authentication for VPN clients. You configure this by using the aaa-server commands to setup a RADIUS/TACACS+ authentication server and the 'crypto map xxxxx client authentication' command to setup Xauth for remote vpn clients. See http://www.cisco.com/warp/customer/110/B.html for an example setup.
How do I make a configuration that doesn't use RADIUS/TACACS+ for authentication, just using, per say, i.e. 'vpdn username cisco password cisco'. How do I get the PIX to use it's own user list to authenticate?
Mike, I am sorry, but the pix doesn't have an internal authentication scheme as a VPN concentrator or router does. You have to use either RADIUS or TACACS+.
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