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Step-by-Step Configuration and Troubleshooting Best Practices for the NGFW, NGIPS and AMP Technologies A Visual Guide to the Cisco Firepower Threat Defense (FTD)
New Member

SSH session failing connecting to remote server

I have a user who once they connect outbound via VPN client to a customer. Can't establish a SSH session to the customer server. When I place them on the outside of the firewall the connection is successfull. I check the config nothing is block going out I think need help. I have a ASA5540 with the IPS Module not sure if either is causing the problem.

4 REPLIES
New Member

Re: SSH session failing connecting to remote server

it wont necessarily be outbound traffic being blocked. I assume that once they are connected to the VPN they are assigned an IP address from the VPN pool, and maybe this VPN Pool has not been configured for SSH connectivity on your customers firewall.

can you please post the config?

New Member

Re: SSH session failing connecting to remote server

According to my user he can connect from home with no problem. He is assign the same IP address on the customer VPN. However when he is in our office he can't do it. Do you still need to see my config?

New Member

Re: SSH session failing connecting to remote server

it would be helpful. Are you sure he is assigned an IP from the same pool? if he is then i cant think of any reason why he cant connect. When he is in your office and the VPN tunnel is established, can he ping the server concerned?? can he ping or connect to any other servers on the subnet??

New Member

Re: SSH session failing connecting to remote server

Some times but I also have account so I can troubleshoot and I don't experience any problem inside my network.

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