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Port 27900 Details


known port assignments and vulnerabilities
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Port(s) Protocol Service Details Source
27900 udp games GameSpy Arcade - Master Server UDP Heartbeat, Worms 4 Mayhem

Also uses ports 3783, 6500, 6515 UDP, 6667, 13139 UDP, 27900 UDP, 28900, 29900, 29901

Battlefield 2142, ToCA Race Driver 3 also use this port.
SG
27500-27900 udp id Software's QuakeWorld (unofficial) Wikipedia
27900 tcp,udp Nintendo Wi-Fi Connection (unofficial) Wikipedia
1716-1718,8777,27900 udp applications Americas Army Portforward
1500-4999, 16567, 18060, 27900, 27901, 29900, 29910, 55123, 55124, 55215 udp applications Battlefield 2 Portforward
1024-1124, 1500-4999, 9964, 16567, 18300, 18510, 27900-27901, 28910, 29900, 55123 udp applications Battlefield 2142 Portforward
80, 443, 1024-1124, 4711, 9960-9969, 17475, 18060, 18120, 18300, 18510, 27900, 28910, 29900 tcp applications Battlefield 2142 Portforward
15567, 15690, 4555-4557, 23000-23009, 27900 udp applications Battlefield Vietnam Portforward
2611-2612,6500,6667,27900 tcp,udp applications Black and White Portforward
2302-2400, 6500, 6515, 13139, 27900 udp applications Civilization III Portforward
2302-2400, 6500, 6515, 13139, 27900 udp applications Civilization IV Portforward
13139,27900,65000 udp applications Command and Conquer 3 Tiberian Wars Portforward
4321,27900 udp applications Command and Conquer Generals Portforward
4321,27900 udp applications Command and Conquer Generals GameSpy Portforward
80, 3783, 6500, 6515, 6667, 13139, 27900, 28900, 28910, 29900, 29901, 29920 tcp applications Command and Conquer Generals GameSpy Portforward
6515,6500,13139,27900 udp applications Command and Conquer Red Alert 3 Portforward
4321,27900 udp applications Command and Conquer Zero Hour Portforward
4321,27900 udp applications Command and Conquer Zero Hour GameSpy Portforward
80, 3783, 6500, 6515, 6667, 13139, 27900, 28900, 28910, 29900, 29901, 29920 tcp applications Command and Conquer Zero Hour GameSpy Portforward
80, 2300-2400, 3783, 13139, 27900, 28900, 29900-29901, 34000-34005 udp applications Cossacks II Portforward
7790-7792,8777,27900 udp applications Dues Ex Portforward
13139,27900,33321 udp applications Empires Dawn of the Modern World Portforward
6515,13139,27900 udp applications F.E.A.R. Gamespy Portforward
3210,27900 udp applications Faces of War Portforward
6667, 3783, 27900, 28900, 29900, 29901, 13139, 6515, 6500 tcp applications GameSpy Arcade Portforward
1116-1130, 5165, 27900-27901 udp applications Marvel Ultimate Alliance Portforward
1230, 8512, 27900, 61220-61230 udp applications Need for Speed Hot Pursuit 2 Portforward
5120-5300, 6500, 6667, 27900, 28900 udp applications Neverwinter Nights Portforward
6515,13139,27750,27900 udp applications Rome Total War Portforward
3783, 6515, 6667, 13139, 27900, 28900, 29900, 29901 tcp applications S.T.A.L.K.E.R. - Shadow of Chernobyl Portforward
2302-2400, 2801, 3783, 6073, 6500, 6515, 13139, 27900 udp applications Spellforce - The Order of Dawn Portforward
3659,6500,27900 tcp,udp applications Star Trek - Legacy Portforward
3658-3659,6500,27900 tcp,udp applications Starwars Battle Front Gamespy Portforward
1234, 3658-3660, 6500, 27900, 28910, 3783, 6515, 6667, 13139, 28900, 29900-29901, 29920 tcp,udp applications Starwars Empire at War Portforward
6515,13139,27900 udp applications The Lord of the Rings-War of the Ring Gamespy Portforward
3658,26900,27900 udp applications ToCA Race Driver 3 Portforward
7777,7778,7779,27900 udp applications Unreal Tournament Portforward
7777,8080,8777,9777,27900 tcp applications Unreal Tournament Portforward
7777-7788,27900,42292 tcp,udp applications Unreal Tournament 2004 Portforward
6500, 7777, 7778, 7787, 13000, 27900 udp applications Unreal Tournament 3 Portforward
6500,27900,27901,29910 udp applications Warhammer 40000 - Dawn of War - Dark Crusade Portforward
5911,6500,13139,27900 udp applications Worms 4 - Mayhem Portforward
5165,27900-27901 udp applications X-Men Legends 2 Rise of Apoclypse Portforward
27900 udp game-heartbeat GameSpy Arcade master server udp heartbeat Neophasis
27783-27998 tcp,udp Unassigned IANA
45 records found
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Related ports: 3783  4711  6500  6515  6667  13139  16567  18000  18300  27901  28900  29900  29901  

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External Resources
SANS Internet Storm Center: port 27900

Notes:
Well Known Ports: 0 through 1023.
Registered Ports: 1024 through 49151.
Dynamic/Private : 49152 through 65535.

TCP ports use the Transmission Control Protocol. TCP is the most commonly used protocol on the Internet and any TCP/IP network. Whereas the IP protocol deals only with packets, TCP enables two hosts to establish a connection and exchange streams of data. TCP guarantees delivery of data and that packets will be delivered in the same order in which they were sent. Guaranteed communication/delivery is the key difference between TCP and UDP.

UDP ports use the Datagram Protocol, a communications protocol for the Internet network, transport, and session layers. Like TCP (Transmission Control Protocol), UDP is used with IP (the Internet Protocol) and makes possible the transmission of datagrams from one computer to applications on another computer, but unlike TCP, UDP is connectionless and does not guarantee reliable communication; it's up to the application that received the message to process any errors and verify correct delivery. UDP is often used with time-sensitive applications, such as audio/video streaming, where dropping some packets is preferable to waiting for delayed data.

When troubleshooting unknown open ports, it is useful to find exactly what services/processes are listening to them. This can be accomplished in both Windows command prompt and Linux variants using the "netstat -aon" command. We also recommend runnig multiple anti-virus/anti-malware scans to rule out the possibility of active malicious software. For more detailed and personalized help please use our forums.

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