Microsoft Exchange TCP/IP Ports List

Aşağıda belirttiğim Port'ları kullanım gereksiniminize göre Firewall'unuzda açmanız yeterlidir.

• TCP port 25 - SMTP

• TCP port 26 - SSL secured SMTP

• TCP port 110 - Post Office Protocol v. 3 (POP3)

• TCP port 995 - SSL secured POP3

• TCP port 143 - Internet Message Access Protocol v. 4 (IMAP4)

• TCP port 993 - SSL secured IMAP4

• TCP port 80 - HTTP for Outlook Web Access

• TCP port 443 - SSL secured HTTP for Outlook Web Access (HTTPS)

• TCP/UDP port 389 - Lightweight Directory Access Protocol (LDAP)

• TCP port 3268 - LDAP communications with an Active Directory Global Catalog Server

• TCP port 119 - Network News Transfer Protocol (NNTP)

• TCP port 563 - SSL secured NNTP

• TCP port 135 - Remote Procedure Protocol (RPC) however it will also use ports 1024 and up as needed.

• TCP/UDP port 53 - Domain Name System (DNS)

• TCP port 102 - Mail Transfer Agent (MTA) *Only used in X.400 connections.

• TCP/UDP port 88 - KERBEROS

• Additionally if you
  are secureing any servers such as front-end / back-end servers with
  IPSEC you will need to allow IP protocol 51 for the Authenitcation
  Header, IP protocol 50, TCP/UDP port 88 for KERBEROS, and UDP port 500
  for Key Exchanges.