Hi,
Thanks for posting in TechNet.
A distribution point communicates to the management point and a client communicates to the distribution point using the ports TCP 80(http)/443(https) or ports TCP 8530(http)/8531(https). Site server communicates to the Distribution point using the ports TCP 445, UDP/TCP 135.
For more information, please refer to the official article: Ports used in Configuration Manager
Thanks for your time.
Best regards,
Simon
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