AD Ports

What ports are required to be open between every DC to properly replicate ?

Also is it bi directional ?

Is this list below the only required ports ?

Application protocol      Protocol      Ports
Global Catalog Server      TCP      3269
Global Catalog Server      TCP      3268
LDAP Server      TCP      389
LDAP Server      UDP      389
LDAP SSL      TCP      636
LDAP SSL      UDP      636
IPsec ISAKMP      UDP      500
NAT-T      UDP      4500
RPC      TCP      135
RPC randomly allocated high TCP ports¹      TCP      1024 - 5000
49152 - 65535*
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VB ITSSpecialist ConsultantCommented:
The full list of required ports for Active Directory can be found in this article:

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Networking Protocols

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