Port Requirements for Azure DevOps

The access node must have internet access to download the repos and metadata.

The following table contains network ports that must be opened for backing up Azure DevOps.

Environment	Source	Destination	Protocol	Ports	URLs to be added to allowlist if firewall is enabled
All regions	Proxy computer	Azure DevOps	HTTPS	443	dev.azure.com (only for repos) *.dev.azure.com (all services)
All regions	Proxy computer	Azure DevOps	HTTP	80	dev.azure.com (only for repos) *.dev.azure.com (all services)

For more information, go to the Azure Documentation website, Domain URLs to allow.