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pbrooksuk's avatar
pbrooksuk
Copper Contributor
Dec 20, 2023

LDAPs - Can 389 ever be blocked?

Hello, I'm rolling out removal of LDAP from our network. I have LDAPS working via a third party certificate integration. Verifying that ldp.exe can bind.   Concerning the legacy port 389, my natu...
  • Dave Patrick's avatar
    Dec 20, 2023

    Besides NLA ;
    389 TCP LDAP Server Local Security Authority
    389 UDP DC Locator Local Security Authority
    389 TCP LDAP Server Distributed File System Namespaces
    389 UDP DC Locator Distributed File System Namespaces
    389 UDP DC Locator Netlogon
    389 UDP DC Locator Kerberos Key Distribution Center
    389 TCP LDAP Server Distributed File System Replication
    389 UDP DC Locator Distributed File System Replication

    Service overview and network port requirements - Windows Server | Microsoft Learn    

        

     

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