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 "h"

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Port: 475/TCP
475/TCP - Known port assignments (4 records found)
  • Service
    Details
    Source
  • tcpnethaspsrv
    tcpnethaspsrv
    IANA
  •  
    tcpnethaspsrv (Aladdin Knowledge Systems Hasp services, TCP/IP version) (Official)
    WIKI
  • tcpnethaspsrv
    -
    SANS
  • threat
    [threat] SCO Unizware 7 default installation includes an HTTP server running on this port for the scohelp; service.
    Bekkoame
Port: 475/UDP
475/UDP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • tcpnethaspsrv
    tcpnethaspsrv
    IANA
  •  
    tcpnethaspsrv (Aladdin Knowledge Systems Hasp services, TCP/IP version) (Official)
    WIKI
  • tcpnethaspsrv
    -
    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: 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: 580/TCP
580/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • sntp-heartbeat
    SNTP HEARTBEAT
    IANA
  • sntp-heartbeat
    -
    SANS
Port: 580/UDP
580/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • sntp-heartbeat
    SNTP HEARTBEAT
    IANA
  • sntp-heartbeat
    -
    SANS
Port: 591/TCP
591/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • http-alt
    FileMaker, Inc. - HTTP Alternate (see Port 80)
    IANA
  •  
    FileMaker 6.0 (and later) Web Sharing (HTTP Alternate, also see port 80) (Official)
    WIKI
  • http-alt
    FileMaker Inc. - HTTP Alternate (see Port 80)
    SANS
Port: 591/UDP
591/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • http-alt
    FileMaker, Inc. - HTTP Alternate (see Port 80)
    IANA
  • http-alt
    FileMaker Inc. - HTTP Alternate (see Port 80)
    SANS
Port: 593/TCP
593/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • http-rpc-epmap
    HTTP RPC Ep Map
    IANA
  •  
    HTTP RPC Ep Map, Remote procedure call over Hypertext Transfer Protocol, often used by Distributed Component Object Model services and Microsoft Exchange Server (Official)
    WIKI
Port: 593/UDP
593/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • http-rpc-epmap
    HTTP RPC Ep Map
    IANA
  •  
    HTTP RPC Ep Map, Remote procedure call over Hypertext Transfer Protocol, often used by Distributed Component Object Model services and Microsoft Exchange Server (Official)
    WIKI
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About TCP/UDP ports

TCP port 475 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 475 in the same order in which they were sent. Guaranteed communication over TCP port 475 is the main difference between TCP and UDP. UDP port 475 would not have guaranteed communication as TCP.
UDP on port 475 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 475 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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