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RDP and SSH not working through a Check Point Firewall site-to-site vpn

Dear Mates

I am running through a very strange behavior.

I have a site-to-site VPN connecting two sites (Check Point Firewall and Cisco).

The connection from site A to site B everythings works fine, but connection from site B to A only ping works the rest protocols does not work.

I am doing NAT on both Sites (traffic from Site A to Site B is natted by the firewall to its interface in site B, and vice versa)

Any help would be appreciated.

Thanks in advance

4 Replies

Which version do you run on your gateways?
Had similar issue in r80.20 but have to install a special jumbo take.
In r80.30 you need run at mest jumbo take 111.
Best Regards
0 Kudos

HI Kim

We are running R80.20.

0 Kudos

This really sounds like a mismatch in the topology defenitions, let me guess it works coming from the Cisco side but not when coming from the Check Point side?
Keep in mind that you need to make sure you are using network to network tunnels and that you define the networks exactly the same on both ends.
Regards, Maarten