Knowledgebase: Server Administration
What ports are used in communication on a Windows Network?
Posted by Scott Friend on 22 September 2009 07:47 PM

The following ports are used in communication on a Windows network. This covers communication for joining a workstation to an Activate Directory domain, logging in to an Active Directory domain, using DNS, using Windows network shares (SMB/CIFS) etc.

 

Service

Server Ports

Client Ports

RPC endpoint mapper

135/TCP

1024-65535/TCP

LSA RPC Services (*)

1024-65535/TCP

1024-65535/TCP

LDAP

389/TCP/UDP

1024-65535/TCP/UDP

LDAP SSL

636/TCP

1024-65535/TCP

LDAP GC

3268/TCP

1024-65535/TCP

LDAP GC SSL

3269/TCP

1024-65535/TCP

DNS

53/TCP/UDP

53,1024-65535/TCP/UDP

Kerberos

88/TCP/UDP

1024-65535/TCP/UDP

SMB/CIFS

445/TCP, 445/UDP

1024-65535/TCP

Network basic input/output system (NetBIOS) name service

137/TCP/UDP

137/TCP/UDP

NetBIOS datagram service

138/UDP

138/UDP

NetBIOS session service

139/TCP

139/TCP

Windows Internet Naming Service (WINS) resolution (if required)

1512/TCP/UDP

1512/TCP/UDP

WINS replication (if required)

42/TCP/UDP

42/TCP/UDP

 


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