Which TCP/UDP ports are used for Active Directory authentication when using winbind?

Solution Verified - Updated -

Issue

  • In an environment as Windows Active Directory works as authentication server, the customer wants to know source port number (range) and destination port number of RHEL as authentication client.
  • I guess winbind works at that time.

Environment

  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7

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