TCP/UDP Port Finder

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Database updated - March 30, 2016

Search results for "com"

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Port: 514/TCP
514/TCP - Known port assignments (7 records found)
  • Service
    Details
    Source
  • shell
    BSD rshd(8)
    SANS
  • shell
    shell.
    Apple
  •  
    Shell - used to execute non-interactive commands on a remote system (Remote Shell, rsh, remsh) (Official)
    WIKI
  • shell
    cmd like exec, but automatic authentication is performed as for login server
    IANA
  • rpcbackdoor
    [trojan] RPC Backdoor
    SANS
  • threat
    [threat] RPC Backdoor
    Bekkoame
  • trojan
    [trojan] ADM worm. Worm / Rootkit / Backdoor. Works on Unix (Linux). Affects Linux RedHat 4.0 to 5.2. Aliases: ADM Inet w0rm, Linux.ADM.Worm
    Simovits
Port: 542/TCP
542/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • commerce
    commerce
    IANA
  •  
    commerce (Commerce Applications) (Official)
    WIKI
  • commerce
    -
    SANS
Port: 542/UDP
542/UDP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • commerce
    commerce
    IANA
  •  
    commerce (Commerce Applications) (Official)
    WIKI
  • commerce
    -
    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
Port: 619/TCP
619/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • compaq-evm
    Compaq EVM
    IANA
  • digital-evm
    Digital EVM
    SANS
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 619/UDP
619/UDP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • compaq-evm
    Compaq EVM
    IANA
  • digital-evm
    Digital EVM
    SANS
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 631/TCP
631/TCP - Known port assignments (5 records found)
  • Service
    Details
    Source
  • ipp
    IPP (Internet Printing Protocol)
    IANA
  •  
    Common Unix Printing System (CUPS) (Unofficial)
    WIKI
  •  
    Internet Printing Protocol (IPP) (Official)
    WIKI
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
  • ipp
    Internet Printing Protocol (IPP). Mac OS X Printer Sharing, Printing to many common printers
    Apple
Port: 631/UDP
631/UDP - Known port assignments (4 records found)
  • Service
    Details
    Source
  • ipp
    IPP (Internet Printing Protocol)
    IANA
  •  
    Common Unix Printing System (CUPS) (Unofficial)
    WIKI
  •  
    Internet Printing Protocol (IPP) (Official)
    WIKI
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 641/TCP
641/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • repcmd
    repcmd
    IANA
  •  
    SupportSoft Nexus Remote Command (control/listening): A proxy gateway connecting remote control traffic (Official)
    WIKI
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
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About TCP/UDP ports

TCP port 514 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 514 in the same order in which they were sent. Guaranteed communication over TCP port 514 is the main difference between TCP and UDP. UDP port 514 would not have guaranteed communication as TCP.
UDP on port 514 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 514 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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