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Port 3129 Details

known port assignments and vulnerabilities
threat/application/port search:
Port(s) Protocol Service Details Source
3129 tcp trojans Master's Paradise - remote access trojan, 03.1998. Affects Windows, uses ports 31, 3129, 40421-40426

MyDoom.B@mm trojan also uses this port.

Port 3129 is also registered with IANA for: NetPort Discovery Port
3129 tcp trojan [trojan] Masters Paradise Trojans
3129 tcp,udp netport-id NetPort Discovery Port IANA
3129 tcp MastersParadise [trojan] Masters Paradise SANS
3074-3174 udp applications Rainbow Six Vegas Portforward
5 records found
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External Resources
SANS Internet Storm Center: port 3129

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.

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