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Port 2525 Details

known port assignments and vulnerabilities
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Port(s) Protocol Service Details Source
2525 tcp trojans Port used by Backdoor.Rockse - remote access trojan, 05.2003. Affects all current Windows versions, opens a server on port 2020 or 2525.

Backdoor.Berbew.R (2005.05.19) - remote access trojan that steals passwords and opens backdoors on ports 2525/tcp and 4495/tcp.

Port is sometimes unofficially used as an alternate to port 25 SMTP (Simple Mail Transfer Protocol). This is useful as a dedicated port for VPN clients or for those who cannot directly send mail to a mail server outside of their ISP's network because of an ISP blocking port 25.
2525 tcp threat Berbew Bekkoame
2525 tcp,udp ms-v-worlds MS V-Worlds IANA
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Related ports: 25  26  125  4495  

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External Resources
SANS Internet Storm Center: port 2525

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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