TCP/UDP Port Finder

Enter port number (e.g. 21), service (e.g. ssh, ftp) or threat (e.g. nimda)
Database updated - March 30, 2016

Search results for "connect"

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Port: 3973/UDP
3973/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • progistics
    ConnectShip Progistics
    IANA
Port: 3973/TCP
3973/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • progistics
    ConnectShip Progistics
    IANA
Port: 4000/TCP
4000/TCP - Known port assignments (7 records found)
  • Service
    Details
    Source
  • terabase
    Terabase
    IANA
  •  
    Diablo II game (Unofficial)
    WIKI
  • threat
    [threat] SkyDance
    Bekkoame
  • connect-backbackdoor
    [trojan] Connect-Back Backdoor
    SANS
  • skydance
    [trojan] SkyDance
    SANS
  • trojan
    [trojan] Remote Anything. Remote Access. Works on Windows 95, 98, ME, NT, 2000 and XP. This is a commercial software and sold for 49$ for one licens! Aliases: RA, Backdoor.RA, Remote-Anything
    Simovits
  • trojan
    [trojan] SkyDance. Remote Access / Distributed DoS tool / Steals passwords. Works on Windows 95, 98, ME, NT and 2000. Aliases: SKD, BackDoor.EX
    Simovits
Port: 4117/TCP
4117/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • hillrserv
    Hillr Connection Manager
    IANA
Port: 4117/UDP
4117/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • hillrserv
    Hillr Connection Manager
    IANA
Port: 4242/UDP
4242/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • vrml-multi-use
    VRML Multi User Systems
    IANA
  • threat
    [threat] This port number is widely used on the net for MUDs (Multi-User-Dungeons), a type of chat system. It is also frequently used as an example port in code demonstrations or as an alternate HTTP port. The reason this is so popular is becuase it repeats the number 42, a popular number among computer geeks. In Douglas Adams classic book "Hitch Hikers Guide to the Galaxy", the number "42" is the answer to life, the universe, and everything. o This port is used (TCP) for a remote admin Trojan called "Virtual Hacking Machine". o This port is used for configuration for the Payline e-commerce package. o Connectix VideoPhone uses this port for something. o IBM's version of UNIX, AIX, has a C++ source browser (part of IBM's CSet package) that listens at this port and is susceptable to a buffer overflow.
    Bekkoame
Port: 4242/TCP
4242/TCP - Known port assignments (5 records found)
  • Service
    Details
    Source
  • vrml-multi-use
    VRML Multi User Systems
    IANA
  • threat
    [threat] Nemog
    Bekkoame
  • threat
    [threat] This port number is widely used on the net for MUDs (Multi-User-Dungeons), a type of chat system. It is also frequently used as an example port in code demonstrations or as an alternate HTTP port. The reason this is so popular is becuase it repeats the number 42, a popular number among computer geeks. In Douglas Adams classic book "Hitch Hikers Guide to the Galaxy", the number "42" is the answer to life, the universe, and everything. o This port is used (TCP) for a remote admin Trojan called "Virtual Hacking Machine". o This port is used for configuration for the Payline e-commerce package. o Connectix VideoPhone uses this port for something. o IBM's version of UNIX, AIX, has a C++ source browser (part of IBM's CSet package) that listens at this port and is susceptable to a buffer overflow.
    Bekkoame
  • virtualhackingmachine
    [trojan] Virtual Hacking Machine - VHM
    SANS
  • trojan
    [trojan] Virtual Hacking Machine - VHM. Remote Access. Works on Windows 95 and 98. Also uses Telnet as client. Aliases: VHM, Backdoor.VHM, Passion, Worm Passion
    Simovits
Port: 4340/TCP
4340/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • gaia
    Gaia Connector Protocol
    IANA
Port: 4340/UDP
4340/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • gaia
    Gaia Connector Protocol
    IANA
Port: 4488/TCP
4488/TCP - Known port assignments (4 records found)
  • Service
    Details
    Source
  • awacs-ice
    Apple Wide Area Connectivity Service ICE Bootstrap
    IANA
  • awacs-ice
    Apple Wide Area Connectivity Service. Back To My Mac
    Apple
  • eventhorizon
    [trojan] Event Horizon
    SANS
  • trojan
    [trojan] Event Horizon. Remote Access. Works on Windows 95, 98 and ME. Aliases: Eventor, Backdoor.Eventor
    Simovits
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About TCP/UDP ports

TCP port 3973 uses the Transmission Control Protocol. TCP is one of the main protocols in TCP/IP networks. TCP is a connection-oriented protocol, it requires handshaking to set up end-to-end communications. Only when a connection is set up user's data can be sent bi-directionally over the connection.
Attention! TCP guarantees delivery of data packets on port 3973 in the same order in which they were sent. Guaranteed communication over TCP port 3973 is the main difference between TCP and UDP. UDP port 3973 would not have guaranteed communication as TCP.
UDP on port 3973 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 3973 thinks that error checking and correction is not necessary or performed in the application, avoiding the overhead of such processing at the network interface level.
UDP (User Datagram Protocol) is a minimal message-oriented Transport Layer protocol (protocol is documented in IETF RFC 768).
Application examples that often use UDP: voice over IP (VoIP), streaming media and real-time multiplayer games. Many web applications use UDP, e.g. the Domain Name System (DNS), the Routing Information Protocol (RIP), the Dynamic Host Configuration Protocol (DHCP), the Simple Network Management Protocol (SNMP).
TCP vs UDP - TCP: reliable, ordered, heavyweight, streaming; UDP - unreliable, not ordered, lightweight, datagrams.
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