| Service |
TCP |
UDP |
Notes |
| SSH |
22 |
|
Secure Shell * |
| HTTP |
80 |
|
HyperText Transfer Protocol * (e.g. for web browsing). Currently HTTP/1.1 is officially described in RFC 2616. |
| RPC Endpoint Mapper |
135 |
135 |
* registered as “epmap – DCE endpoint resolution”. Used by Microsoft for RPC locator service. See additional information. |
| LDAP |
389 |
389 |
Lightweight Directory Access Protocol * |
| MS NetMeeting |
LDAP or ULP, dyn >=1024, 1503, H.323 HostCall, MS ICCP |
dyn >=1024 |
videoconferencing |
| Timbuktu |
1417-1420 |
407 |
remote control * |
| SLP |
427 |
427 |
Service Location Protocol * Used by MacOS. |
| HTTPs |
443 |
|
secure HTTP (SSL) * |
| ULP |
522 |
522 |
User Location Protocol (Microsoft) * |
| AppleTalk Filing Protocol (AFP) |
548 |
548 |
* |
| QuickTime 4 |
RTSP |
RTP |
streaming audio, video * |
| RTSP |
554 |
|
Real Time Streaming Protocol * |
| NNTPs |
563 |
|
secure NNTP news (SSL) * |
| Internet Printing Protocol (IPP) |
631 |
631 |
print remotely to any IPP enabled printer through the Internet * The Common Unix Printing System (CUPS) is based on IPP. |
| LDAPs |
636 |
636 |
secure LDAP * (LDAP protocol over TLS/SSL) |
| Doom |
666 |
666 |
network game * |
| Remotely Possible (ControlIT) |
799 |
|
remote control. CA ControlIT support. |
| SOCKS |
1080 |
|
internet proxy * |
| Lotus Notes Domino |
1352 |
|
* |
| VocalTec Internet Phone |
1490, 6670, 25793 |
22555 |
videoconferencing * |
| Citrix ICA |
1494, dyn >=1023 |
1604, dyn >=1023 |
remote application access * |
| Virtual Places |
1533 |
|
conferencing *, also see VP voice |
| Xing StreamWorks |
|
1558 |
streaming video * |
| H.323 Host Call |
1720 |
1720 |
H.323 host call * |
| PPTP |
1723 |
|
virtual private network (VPN) * Note PPTP also uses the GRE protocol. However Microsoft says in Understanding PPTP: “PPTP can be used with most firewalls and routers by enabling traffic destined for port 1723 to be routed through the firewall or router.” |
| MS ICCP |
1731 |
1731 |
audio call control (Microsoft) * |
| MS NetShow |
1755 |
1755, dyn >=1024 <=5000 |
streaming video * |
| MSN Messenger |
1863 |
|
instant messenging *. NOTE: For file transfer or voice chat ports and NAT information for Messenger 3 see MS Support article Q278887. For Messenger 4 see the detailed document on Windows Messenger XP |
| Netopia netOctopus |
1917, 1921 |
1917 |
network management * |
| ICU II |
2000-2003 |
|
videoconferencing. NOTE: security risk on TCP port 50000 |
| iSpQ |
2000-2003 |
|
videoconferencing. Note: support docs are inconsistent on what ports are required |
| glimpseserver |
2001 |
|
search engine |
| Distributed.Net RC5/DES |
2064 |
|
distributed computation |
| Netrek |
2592 |
|
network game * |
| squid |
3128 |
3130 |
web proxy cache |
| Windows Remote Desktop Protocol (RDP) |
3389 |
|
* registered as ms-wbt-server. RDP 5.1 is the current version. See below for more information. Remote Desktop Web Connection also uses HTTP. |
| Virtual Places Voice Chat |
3450, 8000-9000 |
|
voice chat, also see Virtual Places |
| Mirabilis ICQ |
dyn >=1024 |
4000 |
locator, chat (note: see newer AOL ICQ) |
| Blizzard / Battle.net |
4000, 6112-6119 |
4000, 6112-6119 |
network gaming – support (captured 2001-11-11), proxy and firewall info |
| ichat client, server |
4020 |
4020 |
chat rooms |
| PGPfone |
|
4747 |
secure phone |
| PlayLink |
4747, 4748, 10090 |
6144 |
online games |
| radmin |
4899 |
4899 |
remote control |
| Yahoo Messenger – Voice Chat |
5000-5001 |
5000-5010 |
voice chat |
| Yahoo Messenger – messages |
5050 |
|
messaging. NOTE: It will try ports 5050, 80, any port. |
| Yahoo Messenger – Webcams |
5100 |
|
video |
| AOL Instant Messenger (AIM) |
5190 |
5190 |
America OnLine * Also used by Apple iChat (in AIM compatibility mode). |
| AOL ICQ |
5190, dyn >=1024 |
|
messaging |
| AOL |
5190-5193 |
5190-5193 |
America OnLine * |
| Multicast DNS |
5353 |
5353 |
* Mac OS X 10.2: About Multicast DNS. Related to Zeroconf which Apple has implemented as Rendezvous. (Note: the regular Domain Name Service port is 53.) |
| Dialpad.com |
5354, 7175, 8680-8890, 9000, 9450-9460 |
dyn >=1024 |
telephony |
| pcAnywhere |
5631 |
5632 |
remote control * |
| eShare Chat Server |
5760 |
|
|
| eShare Web Tour |
5761 |
|
|
| eShare Admin Server |
5764 |
|
|
| VNC |
5800+, 5900+ |
|
remote control |
| GNUtella |
6346, 6347 |
6346, 6347 |
peer-to-peer file sharing * |
| Netscape Conference |
H.323 HostCall, 6498, 6502 |
2327 |
audioconferencing |
| Danware NetOp Remote Control |
6502 |
6502 |
remote control |
| common IRC |
6665-6669 |
|
Internet Relay Chat * |
| Net2Phone CommCenter |
selected |
6801, selected |
telephony, admin should select one TCP and UDP port in the range 1-3000. Same ports are used by Yahoo Messenger – PC-to-Phone. |
| VDOLive |
7000 |
user-specified |
streaming video |
| RTP |
|
6970-6999 |
Real Time Transport Protocol (Apple QT4) |
| Real Audio & Video |
RTSP, 7070 |
6970-7170 |
streaming audio and video |
| CU-SeeMe, Enhanced CUSM |
7648, 7649, LDAP |
7648-7652, 24032 |
videoconferencing |
| common HTTP |
8000, 8001, 8080 |
|
|
| Apache JServ Protocol v12 (ajp12) |
8007 |
8007 |
(default port) See Workers HowTo for config info. |
| Apache JServ Protocol v13 (ajp13) |
8009 |
8009 |
(default port) e.g. Apache mod_jk Tomcat connector using ajp13. See Workers HowTo for config info. |
| iVisit |
|
9943, 9945, 56768 |
videoconferencing |
| The Palace |
9992-9997 |
9992-9997 |
chat environment * |
| common Palace |
9998 |
|
chat environment |
| Yahoo Games |
11999 |
|
network games |
| Palm Computing Network Hotsync |
14237 |
14238 |
data synchronization |
| Liquid Audio |
18888 |
|
streaming audio |
| FreeTel |
|
21300-21303 |
audioconferencing |
| VocalTec Internet Conference |
22555 |
22555 |
audio & document conferencing * |
| Quake |
26000 |
26000 |
network game * |
| MSN Gaming Zone |
28800-29000 |
28800-29000 |
network gaming |
| Sygate Manager |
|
39213 |
|
| DirectX Gaming |
47624, 2300-2400 |
47624, 2300-2400 |
many network games |