[PVE-User] Proxmox and firewall

[Julien Groselle]

Hello again,

In our company, wet set up heavy firewall on every servers.
So, after many tests on proxmox with an open firewall, it's time to put
servers in production.
Before this step, we have to configure our iptables rules :

Here is a partial output of my 'netstat -lnpute' :
tcp        0      0 127.0.0.1:85            0.0.0.0:*               LISTEN
     0          35730752    433645/pvedaemon
tcp        0      0 0.0.0.0:8006            0.0.0.0:*               LISTEN
     33         35730876    433690/pveproxy
udp        0      0 192.168.100.187:5404    0.0.0.0:*
    0          13381511    4501/corosync
udp        0      0 192.168.100.187:5405    0.0.0.0:*
    0          13381512    4501/corosync
udp        0      0 239.192.1.240:5405      0.0.0.0:*
    0          13381508    4501/corosync

I just have to open tcp/8006 and all the udp/540* ? Or are there any port
that proxmox need to use ?
I'm sure that the ssh have to be open in between the two nodes, but what
else ?

Thank you again.

JG.
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