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 "de"

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Port: 504/TCP
504/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • citadel
    citadel
    IANA
  •  
    Citadel - multiservice protocol for dedicated clients for the Citadel groupware system (Official)
    WIKI
  • citadel
    -
    SANS
Port: 504/UDP
504/UDP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • citadel
    citadel
    IANA
  •  
    Citadel - multiservice protocol for dedicated clients for the Citadel groupware system (Official)
    WIKI
  • citadel
    -
    SANS
Port: 515/TCP
515/TCP - Known port assignments (5 records found)
  • Service
    Details
    Source
  • printer
    spooler
    IANA
  •  
    Line Printer Daemon - print service (Official)
    WIKI
  • printer
    Line Printer (LPR), Line Printer Daemon (LPD). Used for printing to a network printer, Printer Sharing in Mac OS X.
    Apple
  • trojan
    [trojan] MscanWorm.
    Simovits
  • trojan
    [trojan] Ramen. Worm / HTML trojan / HTTP server / Hacking tool / Destructive trojan. Works on Unix (Linux). Linux Red Hat 6.x and early versions of 7.0. May also work on other Unix dialects such as FreeBSD and Linux SuSE, Mandrake and Cladera. The mail addresses used are [email protected] and [email protected]. Aliases: Linux.Ramen, Worm.Ramen, Elf.Ramen
    Simovits
Port: 539/TCP
539/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • apertus-ldp
    Apertus Technologies Load Determination
    IANA
Port: 539/UDP
539/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • apertus-ldp
    Apertus Technologies Load Determination
    IANA
Port: 552/TCP
552/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • devshr-nts
    DeviceShare
    IANA
  • deviceshare
    -
    SANS
Port: 552/UDP
552/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • devshr-nts
    DeviceShare
    IANA
  • deviceshare
    -
    SANS
Port: 555/TCP
555/TCP - Known port assignments (18 records found)
  • Service
    Details
    Source
  • dsf
    -
    IANA
  • threat
    [threat] 711 trojan (Seven Eleven)
    Bekkoame
  • threat
    [threat] Ini-Killer
    Bekkoame
  • threat
    [threat] Net Administrator
    Bekkoame
  • threat
    [threat] Phase Zero
    Bekkoame
  • threat
    [threat] Phase-0
    Bekkoame
  • threat
    [threat] Stealth Spy
    Bekkoame
  • threat
    [threat] Trojan: phAse Zero
    Bekkoame
  • 711trojan
    [trojan] 711 trojan (Seven Eleven)
    SANS
  • inikiller
    [trojan] Ini-Killer
    SANS
  • ini-killer
    [trojan] Ini-Killer
    SANS
  • netadministrator
    [trojan] Net Administrator
    SANS
  • phase-0
    [trojan] Phase-0
    SANS
  • phasezero
    [trojan] Phase Zero
    SANS
  • stealthspy
    [trojan] Stealth Spy
    SANS
  • trojan
    [trojan] 711 trojan (Seven Eleven). Anti-protection trojan / Remote Access / Keylogger / Steals passwords / Hacking tool / Destructive trojan. Works on Windows 95, 98 and ME. The source code is mainly based on the one of SoftWAR. Aliases: Seven Eleven, Seven1one
    Simovits
  • trojan
    [trojan] Phase Zero. Remote Access. Works on Windows 95, 98 and NT. Aliases: XD trojan, PhaseServer, Win32.Phase
    Simovits
  • trojan
    [trojan] Phase-0. Remote Access. Works on Windows 95, 98 and NT. Aliases: XD trojan, PhaseServer, Win32.Phase
    Simovits
Port: 570/TCP
570/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • meter
    demon
    IANA
Port: 570/UDP
570/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • meter
    demon
    IANA
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About TCP/UDP ports

TCP port 504 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 504 in the same order in which they were sent. Guaranteed communication over TCP port 504 is the main difference between TCP and UDP. UDP port 504 would not have guaranteed communication as TCP.
UDP on port 504 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 504 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.
Your IP address
Your are from United States54.144.81.21