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Port 27901 Details

known port assignments and vulnerabilities
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Port(s) Protocol Service Details Source
27901 udp games Battlefield 2142 Stats, Star Trek Armada II

Stack-based buffer overflow in the M_AddToServerList function in client/menu.c in Red Planet Arena Alien Arena 7.30 allows remote attackers to execute arbitrary code via a packet with a crafted server description to UDP port 27901 followed by a packet with a long print command.
References: [CVE-2009-3637], [BID-36782], [SECUNIA-37118]
27901 tcp,udp Nintendo Wi-Fi Connection Unofficial () Wikipedia
27901-27910 udp id Software's Quake II master server (unofficial) Wikipedia
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
1116-1130, 5165, 27900-27901 udp applications Marvel Ultimate Alliance Portforward
6500,27900,27901,29910 udp applications Warhammer 40000 - Dawn of War - Dark Crusade Portforward
6112,6500,27901,29910 udp applications Warhammer 40000 - Dawn of War GotY Portforward
5165,27900-27901 udp applications X-Men Legends 2 Rise of Apoclypse Portforward
27783-27998 tcp,udp Unassigned IANA
10 records found
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Related ports: 299  4711  16567  18000  18300  27900  28910  29900  

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External Resources
SANS Internet Storm Center: port 27901

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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