[39545] in Kerberos
What are the required TCP/UCP ports for Kerberos communication?
daemon@ATHENA.MIT.EDU (Bassam Ballaji)
Fri Aug 29 14:51:58 2025
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From: Bassam Ballaji <bassam.ballaji@gmail.com>
Date: Fri, 29 Aug 2025 19:48:07 +0200
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Hello,
My name is Bassam BALLAJI and I'm an IT professional.
Today, I'm implementing Kerberos authentication for a business application
layer access to let the users authenticate with an external active
directory using LDAPS protocol.
My implementation follows the article below, chapter 1, paragraph "what is
Kerberos?" :
https://techcommunity.microsoft.com/blog/askds/ntlm-vs-kerberos/4120658
I need to know which TCP/ UDP ports are required for the flows 5 + 6,
between client app and service server (not domain controller).
Thanks in advance for your help.
Regards,
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