Proxmox inbound port configuration (code 1962)

Situation

An image-based backup plan finishes with the following warning: Proxmox firewall does not allow inbound traffic required for backup (Code: 1962). The backup plan fails due to a firewall restriction: port 8007 is blocked for incoming connections on the Proxmox host

Cause

The backup plan fails due to a firewall restriction: port 8007 is blocked for incoming connections on the Proxmox host.

Solution

Proxmox inbound port can be open by clicking the solution in the warning message. This creates a new inbound rule in Windows Defender Firewall:

You also can create an inbound rule manually caaording to your requirements. it manually by creating a new inbound rule in Windows Defender Firewall.

How to Create an Inbound Rule Using Windows Defender Firewall

1. Open Windows Defender Firewall - Press Win + R, type wf.msc, and press Enter. (This opens Windows Defender Firewall with Advanced Security)
2. Create a New Inbound Rule
   • In the left panel, click Inbound Rules
   • In the right panel, click New Rule.

3. Configure and apply the rule.