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4. Firewall Ports for Active Directory Communication

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Firewall Ports for Active Directory Communication

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• Added by Paul Liebrand, last edited by Paul Liebrand on Oct 10, 2009

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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. 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) External Links Plan security hardening for extranet environments (Windows SharePoint Services) How to configure a firewall for domains and trusts Labels parameters Labels Enter labels to add to this page:   Looking for a label? Just start typing.

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