lxc ssh out (9.1.9)

J

japapic

New Member
Apr 4, 2026
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Hi all,


I have an Ubuntu LXC container running on Proxmox. There is no firewall enabled on the container, and I can SSH into the LXC without any issue.


The problem is that when I try to SSH from the LXC to a server outside of Proxmox, the connection times out.


What I verified so far:


  • The LXC can ping the remote server successfully.
  • From other devices outside the Proxmox host, I can SSH to that same server with no problem.
  • DNS resolution is working correctly.

So it seems like only outbound SSH traffic from the LXC is failing.


Has anyone seen this behavior before or have any idea what I should check next?


Any help would be greatly appreciated.


Thanks!
 
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