GUI timeout and logout on a cluster with 3 Proxmox nodes 9.1.6

[Samadeira]

Hi.

I have a cluster with 3 nodes running Proxmox 9.1.6.

The problem is that the web interface now logs me out of the session every 5 minutes, on any of the nodes, and I have to re-enter my credentials to reconnect.

I can't find the cause of the problem.

So far, I've tried the following solutions without success:

1. Check the session timeout in Proxmox

• - Edit the file /etc/pve/datacenter.cfg
• - Add the line session-timeout: 3600
• - Systemctl restart pveproxy

2. The nodes don't have a high load or slow storage.

3. Increase the timeout to 3600 in /etc/pve/pveproxy.cfg

4. Verify that the server time is correct.

5. Clear browser cookies

6. Reinstall Proxmox certificates.

Thanks,

 

[dcsapak]

is the time of your client and the server correct?

 

[Samadeira]

Hi dcsapak.

I've managed to solve the problem.

It seems the entire cluster ticketing system was signed with a key generated in 2039 (I don't know why), and that's what was causing the timeout and the 401 authentication error that appeared in the window when the session closed, because the session ticket was no longer passing validation.

It was showing the date 2039 on all three nodes.


-
It now has the correct date of 2026 on all nodes.



Thanks.