Firewall Ports for Active Directory Communication

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The following ports are required to be open for SharePoint in order for it to communicate between network domains in your environment. A one-way trust is required between network domains and the necessary firewall ports need to be opened.

Contents

[edit] Firewall Ports

  • TCP/UDP 135 (RPC)
  • TCP/UDP 389 by default, customizable (LDAP)
  • TCP 636 by default, customizable (LDAP SSL)
  • TCP 3268 (LDAP GC)
  • TCP 3269 (LDAP GC SSL)
  • TCP/UDP 53 (DNS)
  • TCP/UDP 88 (Kerberos)
  • TCP/UDP 445 (Directory Services)
  • TCP/UDP 749 (Kerberos-Adm)
  • TCP port 750 (Kerberos-IV)

[edit] External Links

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