Useful and Frequently used Ports

Useful and Frequently used Ports

This article applies to Dedicated Server accounts.

 
The following is a (non-exhaustive) list of the most frequently used Ports. The same will be of use if you are configuring rules within a Shared Firewall

Port Number - Description

  • 1 - TCP Port Service Multiplexer(TCPMUX)
  • 5 - Remote Job Entry (RJE)
  • 7 - ECHO
  • 18 - Message Send Protocol (MSP)
  • 20 - FTP -- Data
  • 21 - FTP -- Control
  • 22 - SSH Remote Login Protocol
  • 23 - Telnet
  • 25 - Simple Mail Transfer Protocol (SMTP)
  • 29 - MSG ICP
  • 37 - Time
  • 42 - Host Name Server (Nameserv)
  • 43 - WhoIs
  • 49 - Login Host Protocol (Login)
  • 53 - Domain Name System (DNS)
  • 69 - Trivial File Transfer Protocol (TFTP)
  • 70 - Gopher Services
  • 79 - Finger
  • 80 - HTTP
  • 103 - X.400 Standard
  • 108 - SNA Gateway Access Server
  • 109 - POP2
  • 110 - POP3
  • 115 - Simple File Transfer Protocol (SFTP)
  • 118 - SQL Services
  • 119 - Newsgroup (NNTP)
  • 137 - NetBIOS Name Service
  • 139 - NetBIOS Datagram Service
  • 143 - Interim Mail Access Protocol (IMAP)
  • 150 - NetBIOS Session Service
  • 156 - SQL Server
  • 161 - SNMP
  • 179 - Border Gateway Protocol (BGP)
  • 190 - Gateway Access Control Protocol (GACP)
  • 194 - Internet Relay Chat (IRC)
  • 197 - Directory Location Service (DLS)
  • 389 - Lightweight Directory Access Protocol (LDAP)
  • 396 - Novell Netware over IP
  • 443 - HTTPS
  • 444 - Simple Network Paging Protocol (SNPP)
  • 445 - Microsoft-DS
  • 458 - Apple QuickTime
  • 546 - DHCP Client
  • 547 - DHCP Server
  • 563 - SNEWS
  • 569 - MSN
  • 1080 - Socks