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Remote VPN over DSL

I am trying to set up a remote VPN connection from a desktop system to a PIX 5.3 firewall over a DSL circuit. The PC is using a private network address (192.168.1.0) that is being translated by the provider's DSL router. The provider (Covad) is also telling me that they block ports 500 and 1723 and cannot unblock them.

Q1 - Would the Address Translation cause this not to work?

Q2 - Or is the fact that I can't get it to work simply caused by the fact that the provider blocks the ports I need?

1 REPLY
Cisco Employee

Re: Remote VPN over DSL

Unfortunately the PIX doesn't support IPSec thru TCP as yet. As your ISP is blocking port 500, then IKE would fail as it is done in UDP/500. You would need to terminate the vpn client on a VPN 3000 conc and use something like IPSec thru TCP as in:http://cco/warp/customer/471/vpn3k_ipsec_tcp.html

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