Networking
-
Proxmox Default Port 8006 and Every Other Port It Uses
Proxmox VE's default web GUI port is TCP 8006. The rest: SSH 22, VNC 5900-5999, SPICE 3128, corosync 5405-5412, migration 60000-60050, plus PBS on 8007.
-
Proxmox Firewall Not Working? host.fw & the Enable Chain
Why Proxmox VE firewall rules do nothing: the three enable switches, where host.fw lives, pve-firewall localnet, and defaults that avoid lockout.
-
Proxmox Network Bridges and VLANs: vmbr0, Tags, and OVS
How Proxmox VE networking works: Linux bridge vs Open vSwitch, VLAN-aware bridges, tagging guests, and applying changes without locking yourself out.