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 "internet"

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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: 649/TCP
649/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • cadview-3d
    Cadview-3d - streaming 3d models over the internet
    IANA
  • aminet
    Aminet
    SANS
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 649/UDP
649/UDP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • cadview-3d
    Cadview-3d - streaming 3d models over the internet
    IANA
  • aminet
    Aminet
    SANS
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 680/TCP
680/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • entrust-aaas
    entrust-aaas
    IANA
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
  • trojan
    [trojan] RTB 666. Remote Access / FTP server / IP scanner. Works on Windows, together with MS Internet Explorer. Aliases: Backdoor.RTB
    Simovits
Port: 700/TCP
700/TCP - Known port assignments (5 records found)
  • Service
    Details
    Source
  • epp
    Extensible Provisioning Protocol
    IANA
  •  
    EPP (Extensible Provisioning Protocol), a protocol for communication between domain name registries and registrars (RFC 5734) (Official)
    WIKI
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
  • buddyphone
    [threat] This Internet telephony product communicates over this port as well as the TCP range 5000-5111.
    Bekkoame
  • trojan
    [trojan] REx. Remote Access, works on Windows.
    Simovits
Port: 700/UDP
700/UDP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • epp
    Extensible Provisioning Protocol
    IANA
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
  • buddyphone
    [threat] This Internet telephony product communicates over this port as well as the TCP range 5000-5111.
    Bekkoame
Port: 701/TCP
701/TCP - Known port assignments (4 records found)
  • Service
    Details
    Source
  • lmp
    Link Management Protocol (LMP)
    IANA
  •  
    LMP (Link Management Protocol (Internet)), a protocol that runs between a pair of nodes and is used to manage traffic engineering (TE) links (Official)
    WIKI
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
  • threat
    [threat] Marotob
    Bekkoame
Port: 702/TCP
702/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • iris-beep
    IRIS over BEEP
    IANA
  •  
    IRIS (Internet Registry Information Service) over BEEP (Blocks Extensible Exchange Protocol) (RFC 3983) (Official)
    WIKI
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 706/TCP
706/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • silc
    SILC
    IANA
  •  
    Secure Internet Live Conferencing (SILC) (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 631 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 631 in the same order in which they were sent. Guaranteed communication over TCP port 631 is the main difference between TCP and UDP. UDP port 631 would not have guaranteed communication as TCP.
UDP on port 631 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 631 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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