What ports are used for the VSTS / TFS build / release agent?

Can someone tell me which ports are used for the new TFS 2015 build agent to communicate with TFS on-prem and Azure DevOps (aka VSTS)?

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The TFS 2015 build agent, that is, the Azure DevOps agent (formerly the VSTS agent), does not listen on any of the ports, so you do not need to open the port on the target machine.

It tries to connect to VSTS via HTTPS, i.e. through port 443.

If you have a preinstall, then the port hosting the TFS will usually be 8080.

Therefore, you need to allow outgoing connections to 443 or 8080 (by default).

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Source: https://habr.com/ru/post/1237346/


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