I wasn't sure if I should post in this (Firewall, Routing...) forum or the VPN forum but I think this is more of a routing question. I have a VPN client (AT&T NetClient) that runs on my work laptop and connects to the company intranet. Because the company I work for is very large and I have to use the AT&T NetClient application I would like to setup an IPSec Passthrough my ASL-5 firewall. I do not have the information to setup a site-to-site firewall and it is against company policy to leave a VPN connection unattended.
I believe the following ports need to be forwarded both in and out of the firewall:
ESP, TCP 50
AH, TCP 51
ISAKMP, UDP 500
PPTP, TCP 1723
I have tried a number of different combinations and I have been searching for an a previous answer in the forum but up until now I've had no luck. I am running a pretty basic NAT/Masquerade from a cablemodem. Any help would be greatly appreciated. Thanks.
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