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Cisco Pix and ISA server

I am trying to create a front end back end firewall solution using Pix Version 6.3(5) as my front end and Microsoft ISA server 2004 as my backend. I am trying to pass Microsoft client VPN connections thru the Pix firewall and terminate them on the ISA server. I have added these commands to the Pix.

access-list outside_acl permit tcp any host 64.206.48.XX (external address of Pix)

static (inside, outside) 64.206.48.xx 22.218.0.xx netmask 0 0

22.218.0.xx is the "external interface" of the ISA server. With this configuration, inside users can access the internet, but any attempts to create and terminate a external VPN connection receives the error "remote computer did not respond." What do I need to do to pass pptp and l2tp traffic to the ISA server?


Re: Cisco Pix and ISA server

The issue may be due to

VPN Client user name and/or password is incorrect.

VPN Client user name and/or password is missing from remote server, local database, or external database