TCP/UDP Port Finder

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Database updated - March 30, 2016

Search results for "1234"

Port: 1234/TCP
1234/TCP - Known port assignments (10 records found)
  • Service
    Details
    Source
  • search-agent
    Infoseek Search Agent
    IANA
  • hotline
    -
    SANS
  • threat
    [threat] Ultors Trojan
    Bekkoame
  • threat
    [threat] W32.Beagle
    Bekkoame
  • threat
    [threat] The bindshell.c program puts a backdoor root shell on this port by default. This assumes that you've already been compromised by some other exploit and that the hacker uses the default port.
    Bekkoame
  • trojan
    [trojan] Ultors Trojan. Remote Access. Works on Windows 3.1, 95, 98, ME, NT, 2000 and XP. Uses Telnet as the client. Aliases: Ultors Telnet Trojan, Utlor, Backdoor.Ultor
    Simovits
  • subsevenjavaclient
    [trojan] SubSeven Java client
    SANS
  • ultorstrojan
    [trojan] Ultors Trojan
    SANS
  • trojan
    [trojan] KiLo. Remote Access. Works on Windows.
    Simovits
  • threat
    [threat] SubSeven Java client
    Bekkoame
Port: 1234/UDP
1234/UDP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • search-agent
    Infoseek Search Agent
    IANA
  •  
    VLC media player default port for UDP/RTP stream (Official)
    WIKI
  • threat
    [threat] The bindshell.c program puts a backdoor root shell on this port by default. This assumes that you've already been compromised by some other exploit and that the hacker uses the default port.
    Bekkoame

About TCP/UDP ports

TCP port 1234 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 1234 in the same order in which they were sent. Guaranteed communication over TCP port 1234 is the main difference between TCP and UDP. UDP port 1234 would not have guaranteed communication as TCP.
UDP on port 1234 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 1234 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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