List of Ports used by Exchange Server


Please find the list of Ports used by Exchange Server:


Ports used by Exchange Server













































































Protocol


Port


Description


SMTP


TCP: 25


The SMTP service uses TCP port 25.


DNS


TCP/UDP: 53


DNS listens on port 53. Domain controllers use this port.


LSA


TCP: 691


The Microsoft Exchange Routing Engine service (RESvc) listens for routing link state information on this port.


LDAP


TCP/UPD: 389


Lightweight directory access protocol (LDAP) used by Microsoft Active Directory® directory service, Active Directory Connector, and the Microsoft Exchange Server 5.5 directory use this port.


LDAP/SSL


TCP/UDP: 636


LDAP over Secure Sockets Layer (SSL) uses this port.


LDAP


TCP/UDP: 379


The Site Replication Service (SRS) uses this port.


LDAP


TCP/UDP: 390


This is the recommended alternate port to configure the Exchange Server 5.5 LDAP protocol when Exchange Server 5.5 is running on an Active Directory domain controller.


LDAP


TCP: 3268


Global catalog. The Windows 2000 and Windows Server 2003 Active Directory global catalog (a domain controller “role”) listens on TCP port 3268.


LDAP/SSLPort


TCP: 3269


Global catalog over SSL. Applications that connect to TCP port 3269 of a global catalog server can transmit and receive SSL encrypted data.


IMAP4


TCP: 143


Internet Message Access Protocol (IMAP) uses this port.


IMAP4/SSL


TCP: 993


IMAP4 over SSL uses this port.


POP3


TCP: 110


Post Office Protocol version 3 (POP3) uses this port.


POP3/SSL


TCP: 995


POP3 over SSL uses this port.


NNTP


TCP: 119


Network News Transfer Protocol (NNTP) uses this port.


NNTP/SSL


TCP: 563


NNTP over SSL uses this port.


HTTP


TCP: 80


HTTP uses this port.


HTTP/SSL


TCP: 443


HTTP over SSL uses this port.

Comments (3)
  1. Please find the list of Ports used by Exchange Server: Ports used by Exchange Server Protocol Port Description

  2. Joe says:

    I would like to know the ports used between  server

    EDGE -> HUB

    HUB -> EDGE

    EDGE -> CAS

    CAS -> EDGE

    HUB -> CAS

    CAS -> HUB

Comments are closed.