[SOLVED] Proxmox WebGUI


Jul 10, 2020
I have a bit of a strange problem. I can access the webgui from two different locations, but from a 3rd I am unable to connect and get

This site can’t be reached The connection was reset.

Checking the connection
Checking the proxy and the firewall
Running Windows Network Diagnostics

I am running iptables as a firewall on the host, but the rules look good, I have also tried with no firewall rules and get the same error. Firewalling is disabled on the host and datacentre from within proxmox. I don't really know where else to look.

I am using Proxmox Virtual Environment 6.3-3 on Debian GNU/Linux 10 (buster) and both are up to date, I rebooted the server this morning to check if something weird was happening.

Last edited:
Just done a little bit more digging. In the pveproxy access log I see a - 403 error when the IP having issues tries to connect. All the other connections are passing information correctly. I am not sure what this actual means though

87.xxx - root@pam [28/01/2021:11:22:52 +0000] "GET /api2/json/nodes/xxx/status HTTP/1.1" 200 788
87.xxx - root@pam [28/01/2021:11:22:52 +0000] "GET /api2/json/cluster/tasks HTTP/1.1" 200 990
80.xxx - root@pam [28/01/2021:11:22:52 +0000] "GET /api2/json/nodes/xxx/firewall/options HTTP/1.1" 200 86
80.xxx - root@pam [28/01/2021:11:22:52 +0000] "GET /api2/json/cluster/resources HTTP/1.1" 200 678
87.xxx - root@pam [28/01/2021:11:22:53 +0000] "GET /api2/json/nodes/xxx/config HTTP/1.1" 200 62
87.xxx - root@pam [28/01/2021:11:22:53 +0000] "GET /api2/json/cluster/acme/account HTTP/1.1" 200 11
51.xxx - - [28/01/2021:11:22:53 +0000] "-" 403 -
51.xxx - - [28/01/2021:11:22:53 +0000] "-" 403 -
51.xxx - - [28/01/2021:11:22:53 +0000] "-" 403 -
51.xxx - - [28/01/2021:11:22:53 +0000] "-" 403 -

And from syslog
Jan 28 11:25:24 xxx pveproxy[17070]: cannot parse line 'acme: ' in node config
Jan 28 11:25:34 xxx pveproxy[17174]: cannot parse line 'acme: ' in node config
Jan 28 11:25:44 xxx pveproxy[17174]: cannot parse line 'acme: ' in node config

Which suggests it might be an SSL error, but the cert is good and I forced a lets encrypt renewal this morning
Last edited:
did you configure an allow or deny list in /etc/default/pveproxy ?
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