Help Center/ MapReduce Service/ FAQs/ Authentication and Permission/ What Are the Ports of the Kerberos Authentication Service?
Updated on 2026-08-27 GMT+08:00
What Are the Ports of the Kerberos Authentication Service?
Question:
What Are the Ports of the Kerberos Authentication Service?
Answer:
The Kerberos authentication service uses ports 21730 (TCP), 21731 (TCP/UDP), and 21732 (TCP/UDP).
Parent topic: Authentication and Permission
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