Network Configuration - Proxmox VE
pve.proxmox.com/wiki/Network_ConfigurationEthernet devices: en*, systemd network interface names. This naming scheme is used for new Proxmox VE installations since version 5.0. Ethernet devices: eth[N], where 0 ≤ N (eth0, eth1, …) This naming scheme is used for Proxmox VE hosts which were installed before the 5.0 release. When upgrading to 5.0, the names are kept as-is.
Ports - Proxmox VE
https://pve.proxmox.com/wiki/PortsProxmox VE 3.x port list. Web interface: 8006; VNC Web console: 5900-5999; SPICE console: 3128; SSH access (only optional): 22; CMAN multicast (if you run a cluster): 5404, 5405 UDP; Proxmox VE 2.x and earlier port list. Web interface: 443; VNC Web console: 5900-5999; SSH access (only optional): 22
Ports - Proxmox VE
pve.proxmox.com › wiki › PortsIntroduction Proxmox VE host needs firewall protection. The default installation uses the Proxmox VE Firewall, which is not activated by default. Set up your Proxmox VE Firewall the way it fits your needs. For additional protection use an external hardware firewall. Proxmox VE 4.x and later port list Web interface: 8006