TCP/UDP Port Finder

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Database updated - March 30, 2016

Search results for "v"

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Port: 671/TCP
671/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • vacdsm-app
    VACDSM-APP
    IANA
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 671/UDP
671/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • vacdsm-app
    VACDSM-APP
    IANA
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 672/TCP
672/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • vpps-qua
    VPPS-QUA
    IANA
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 672/UDP
672/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • vpps-qua
    VPPS-QUA
    IANA
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 676/TCP
676/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • vpps-via
    VPPS Via
    IANA
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 676/UDP
676/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • vpps-via
    VPPS Via
    IANA
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 677/TCP
677/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • vpp
    Virtual Presence Protocol
    IANA
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 677/UDP
677/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • vpp
    Virtual Presence Protocol
    IANA
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 690/TCP
690/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • vatp
    Velazquez Application Transfer Protocol
    IANA
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 690/UDP
690/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • vatp
    Velazquez Application Transfer Protocol
    IANA
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
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About TCP/UDP ports

TCP port 671 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 671 in the same order in which they were sent. Guaranteed communication over TCP port 671 is the main difference between TCP and UDP. UDP port 671 would not have guaranteed communication as TCP.
UDP on port 671 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 671 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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