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 (Inbound) Ports

Description

RPC endpoint mapper

135/TCP

AD Authentication

LSA RPC Services

(Local Service Authority)

49152-65535/TCP*

AD Authentication

LDAP

389/TCP/UDP

AD Authentication

LDAP SSL

636/TCP

AD Authentication

LDAP GC

3268/TCP

AD Authentication

LDAP GC SSL

3269/TCP

AD Authentication

DNS

53/TCP/UDP

AD Authentication, ADAMS Applications

Kerberos

88/TCP/UDP

AD Authentication

SMB/CIFS

445/TCP, 445/UDP

AD Authentication, Repository access. IPv4 & IPv6

Network basic input/output system (NetBIOS) name service

137/UDP*

Repository access. IPv4 only

NetBIOS datagram service

138/UDP*

Repository access. IPv4 only

NetBIOS session service

139/TCP*

Repository access. IPv4 only

PostgreSQL Database

5432/TCP

ADAMS Applications

MS SQL Server

1433/TCP

Default instance, other ports may be used for named instances

MS SQL Server

1434/UDP

SQL service browser service, not necessary for end-user access

Foray License Server

27000/TCP

Only needs to be open if used by applications other than Adams Web

Foray vendor daemon

58888

Localhost only

FlexNet Licensing Service

6543

Localhost only

HTTP  (IIS)

80/TCP

Adams Web, Adams Admin, Adams Bridge

HTTPS  (IIS)

443/TCP

Adams Web, Adams Admin, Adams Bridge

Remote Desktop Protocol (RDP)

3389 TCP/UDP

Allow a Remote Desktop Connection for support purposes

Team Viewer

5938, 443 TCP

Remote Support

 * This protocol responds on the same port or range of ports as in incoming request, it does not use a dynamic port range for responses.


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