Application Ports

This table lists the ports used by some of the more popular applications.

The first column shows the name of the application's protocol. The next column lists each port used by the product, including any port ranges. The third column shows which protocol the ports refer to (TCP, UDP or both). Finally, a description of the application protocol is provided where appropriate.

Please contact us if you do not find the application port you are looking for, and we will add it to the list.

Application Port Protocol Notes
HTTP 80, 8080 TCP Hyptertext Transfer Protocol. Used by web browsers such as Internet Explorer, Firefox and Opera.
HTTPS 443 TCP, UDP Used for secure web browsing.
IMAP 143 TCP Email applications including Outlook, Outlook Express, Eudora and Thunderbird.
FTP 20 to 21 TCP File Transfer Protocol.
SSH 22 TCP Secure Shell protocol. Provides a secure session when logging into a remote machine.
Telnet 23 TCP Used for remote server administration.
DNS 53 TCP, UDP Domain Name System protocol for converting domain names to IP addresses.
NNTP 119 TCP Network News Transfer Protocol, used for internet discussion groups.
NETBIOS 137 to 139 TCP, UDP NETBIOS is used for file transfers between Windows machines.
SNMP 161 to 162 UDP Simple Network Management Protocol. Used by network administrators for remote statistics and information gathering.
LDAP 389 TCP, UDP Lightwight Directory Services Protocol, used for accessing centralized databases of users and computers.
Microsoft SQL Server 1433 to 1434 TCP, UDP Database application.
MySQL 3306 TCP, UDP Database application.
Oracle SQL 1521, 1522, 1525, 1529 TCP Database application.
Microsoft Terminal Server / Citrix ICA 1494, 1604 UDP Remote desktop application.
ICQ 4000 UDP Instant messenger.
Yahoo Messenger 5010 TCP Instant messenger.
AOL Instant Messenger 5190 TCP, UDP Instant messenger.
PCAnywhere 5632 TCP, UDP Remote desktop application.
VNC 5800, 5900 TCP Virtual Network Computer, allows remote desktop functionality.
Kerberos 88 TCP, UDP Used for user authentication, mainly on Windows systems.
POP3 110 TCP Post Office Protocool. For receiving email.
SMTP 25 TCP Simple Mail Transfer Protocol, used for sending email.
RIP 520 UDP Routing Information Protocol, part of the core internet infrastructure.
Microsoft PPTP 1723 TCP Point-to-Point Tunneling Protocol, a VPN implementation.
Windows Media Streaming 1755, 7007 TCP, UDP
Age of Empires 2300 to 2400, 6073, 47624 TCP, UDP Multiplayer game.
Call of Duty 20500, 20510, 28960 TCP, UDP Multiplayer game.
Counter-Strike 1200, 27000 to 27015, 27020 to 27039 TCP, UDP Multiplayer game.
Doom 3 27650, 27666 TCP, UDP Multiplayer game.
Everquest 1024, 6000, 7000 TCP, UDP Multiplayer game.
Far Cry 49001 to 49002, 49124 TCP, UDP Multiplayer game.
FIFA 3658, 10400 to 10499 TCP, UDP Multiplayer game.
Microsoft Flight Simulator 2300 to 2400, 6073, 23456, 47624 TCP, UDP Multiplayer game.
Gamespy Arcade 3783, 6515, 6500, 6667, 13139, 27900, 28900, 29900, 29901 TCP, UDP Game browser.
Gnutella 6346 TCP, UDP P2P file sharing application.
GTA2 2300 to 2400, 47624 TCP, UDP Multiplayer game.
Half Life 2 1200, 27000 to 27015, 27020 to 27039 TCP, UDP Multiplayer game.
iTunes 3689 TCP, UDP Music sharing application.
MSN Messenger 1863, 5190, 6891 to 6901 TCP, UDP Instant messenger.
NBA Live 3658, 9570, 18699 to 28600 UDP Multiplayer game.
Need For Speed 80, 1030, 3658, 3659, 9442, 13505, 18210, 18215, 30900 to 30999 TCP, UDP Multiplayer game.
Net2Phone 6801 UDP VoIP application.
NetFone 10200 TCP VoIP application.
Neverwinter Nights 5120 to 5300, 6500, 6667, 27900, 28900 UDP Multiplayer game.
NHL 3658, 10300, 13505 TCP, UDP Multiplayer game.
No One Lives Forever 2300 to 2400, 7000 to 10000, 27888 TCP, UDP Multiplayer game.
PhoneFree 1034 to 1035, 2644, 8000, 9900 to 9901 TCP, UDP VoIP application.
Quake 27650, 27910, 27950, 27952, 27960, 27965 TCP, UDP Multiplayer game.
Quicktime 6970 to 7000 TCP, UDP Video streaming application.
Rainbow Six 80, 2346 to 2348, 6667, 7777 to 7787, 8777 to 8787, 40000 to 42999, 44000, 45000 TCP, UDP Multiplayer game.
RealVNC 5900 TCP, UDP Remote desktop application.
Remote Desktop 3389 TCP, UDP Generic remote desktop protocol.
Shiva VPN 2233 TCP, UDP Tunneling application.
Soldier of Fortune 28910 to 28915, 20100 to 20112 TCP, UDP Multiplayer game.
Speak Freely 2074 to 2076 UDP VoIP application.
Starcraft 6112 TCP, UDP Multiplayer game.
TeamSpeak 8767, 14534, 51234 TCP, UDP Online voice chat.
Tiger Woods PGA Tour 80, 443, 9570, 13505, 20803, 20809, 32768 to 65535 TCP, UDP Multiplayer game.
Tight VNC 5800, 5500, 5900 TCP Remote desktop application.
Tribes 28000, 28001 TCP, UDP Multiplayer game.
Ultima Online 5001 to 5010, 7775 to 7777, 7875, 8800 to 8900, 9999 TCP Multiplayer game.
Unreal Tournament 7777 to 7788, 8080, 8777, 9777, 27900, 42292 TCP, UDP Multiplayer game.
Vonage 5061, 10000 to 20000 UDP VoIP application.
VPhone 11675 TCP, UDP VoIP application.
Warcraft 6112 to 6119 TCP, UDP Multiplayer game.
WebcamXP 8080, 8090 TCP Video sharing application.
Winamp Streaming 8000 to 8001 TCP Audio streaming application.
Wingate VPN 809 TCP, UDP Tunneling application.
World of Warcraft 3724, 6112, 6881 to 6999 TCP Multiplayer game.
Worms Armageddon 80, 6667, 17010 to 17012 TCP Multiplayer game.
XBox 80, 1900, 3390, 3074, 3776, 3932, 5555, 7777 TCP, UDP Game appliance.
Azureus 6881 to 6889 TCP, UDP P2P file sharing application.
DC++ 411, 1025 to 32000 TCP, UDP P2P file sharing application.
Limewire 6346 to 6347 TCP, UDP P2P file sharing application.