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Port 2555 Details


known port assignments and vulnerabilities
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Port(s) Protocol Service Details Source
2555 tcp trojans Compaq WCP
Lion trojan, T0rn Rootkit
SG
2555 tcp trojan li0n, T0rn Rootkit Trojans
2555 tcp Lion [trojan] Lion SANS
2555 tcp T0rnRootkit [trojan] T0rn Rootkit SANS
2555 tcp,udp compaq-wcp Compaq WCP IANA
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External Resources
SANS ISC: port 2555

Notes:
Port numbers in computer networking represent communication endpoints. Ports are unsigned 16-bit integers (0-65535) that identify a specific process, or network service. IANA is responsible for internet protocol resources, including the registration of commonly used port numbers for well-known internet services.
Well Known Ports: 0 through 1023.
Registered Ports: 1024 through 49151.
Dynamic/Private : 49152 through 65535.

TCP ports use the Transmission Control Protocol, the most commonly used protocol on the Internet and any TCP/IP network. 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. Like TCP, UDP is used in combination with IP (the Internet Protocol) and facilitates 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 and realtime gaming, 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.

Please use the "Add Comment" button below to provide additional information or comments about port 2555.
  User Reviews/Comments:
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by anonymous - 2012-06-19 22:47
Just caught my directv boxes (on subnet 192.168.69.0) trying to open communications to 192.168.1.2:2555, and I'm not sure why... seems strange that they would be trying to connect anywhere on my lan, other than to each other...
by rveach - 2012-07-22 09:09
My router's UPnP information is accessed through '192.168.1.1:2555', so this could be related to UPnP.
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