TCP/UDP Port Finder

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Database updated - March 30, 2016

Search results for "6666"

Port: 6666/TCP
6666/TCP - Known port assignments (18 records found)
  • Service
    Details
    Source
  •  
    Internet Relay Chat (IRC) (Official)
    WIKI
  • irc-serv
    internet relay chat server
    SANS
  • ircu
    IRCU
    IANA
  • threat
    [threat] Dark Connection Inside
    Bekkoame
  • threat
    [threat] Foobot
    Bekkoame
  • threat
    [threat] Many sites running "napster" may use this port.
    Bekkoame
  • threat
    [threat] NetBus worm
    Bekkoame
  • threat
    [threat] Script kiddies trying to compromise Real Server servers might mistakenly use this port.
    Bekkoame
  • threat
    [threat] W32.HLLW.Warpigs
    Bekkoame
  • darkconnectioninside
    [trojan] Dark Connection Inside
    SANS
  • darkconnection
    [trojan] Dark Connection
    SANS
  • netbusworm
    [trojan] NetBus worm
    SANS
  • tcpshell.c
    [trojan] TCPShell.c
    SANS
  • trojan
    [trojan] AL-Bareki. Remote Access. Works on Windows. Aliases: Jaas
    Simovits
  • trojan
    [trojan] KiLo. Remote Access. Works on Windows.
    Simovits
  • trojan
    [trojan] SpArTa. Anti-protection trojan / Remote Access. Works on Windows 95, 98, ME, NT, 2000 and XP. Aliases: Spartadoor, Backdoor.Spartadoor, Backdoor.Sparta, BackDoor.AFC
    Simovits
  • threat
    [threat] AltaVista Tunnel server also uses this port.
    Bekkoame
  • threat
    [threat] BAT.Boohoo.Worm
    Bekkoame
Port: 6666/UDP
6666/UDP - Known port assignments (4 records found)
  • Service
    Details
    Source
  •  
    Reserved
    IANA
  • ircu
    IRCU
    Bekkoame
  • threat
    [threat] Kali uses UDP 6666.
    Bekkoame
  • trojan
    [trojan] KiLo. Remote Access. Works on Windows.
    Simovits

About TCP/UDP ports

TCP port 6666 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 6666 in the same order in which they were sent. Guaranteed communication over TCP port 6666 is the main difference between TCP and UDP. UDP port 6666 would not have guaranteed communication as TCP.
UDP on port 6666 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 6666 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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