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 "cont"

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Port: 623/UDP
623/UDP - Known port assignments (5 records found)
  • Service
    Details
    Source
  • asf-rmcp
    ASF Remote Management and Control Protocol
    IANA
  •  
    ASF Remote Management and Control Protocol (ASF-RMCP) (Official)
    WIKI
  • aux_bus_shunt
    Aux Bus Shunt
    SANS
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
  • asf-rmcp
    Lights-Out-Monitoring. Used by Intel Xserves' Lights-Out-Monitoring (LOM) feature; used by Server Monitor
    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
Port: 641/UDP
641/UDP - 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
Port: 653/TCP
653/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • repscmd
    RepCmd
    IANA
  •  
    SupportSoft Nexus Remote Command (data): A proxy gateway connecting remote control traffic (Official)
    WIKI
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 653/UDP
653/UDP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • repscmd
    RepCmd
    IANA
  •  
    SupportSoft Nexus Remote Command (data): A proxy gateway connecting remote control traffic (Official)
    WIKI
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 657/TCP
657/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • rmc
    RMC
    IANA
  •  
    IBM RMC (Remote monitoring and Control) protocol, used by System p5 AIX Integrated Virtualization Manager (IVM) and Hardware Management Console to connect managed logical partitions (LPAR) to enable dynamic partition reconfiguration (Official)
    WIKI
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 657/UDP
657/UDP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • rmc
    RMC
    IANA
  •  
    IBM RMC (Remote monitoring and Control) protocol, used by System p5 AIX Integrated Virtualization Manager (IVM) and Hardware Management Console to connect managed logical partitions (LPAR) to enable dynamic partition reconfiguration (Official)
    WIKI
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 664/TCP
664/TCP - Known port assignments (4 records found)
  • Service
    Details
    Source
  • oob-ws-https
    DMTF out-of-band secure web services management protocol
    IANA
  • asf-secure-rmcp
    ASF Secure Remote Management and Control Protocol
    Bekkoame
  • secure-aux-bus
    Secure Aux Bus
    SANS
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 664/UDP
664/UDP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • asf-secure-rmcp
    ASF Secure Remote Management and Control Protocol
    IANA
  • secure-aux-bus
    Secure Aux Bus
    SANS
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 667/TCP
667/TCP - Known port assignments (6 records found)
  • Service
    Details
    Source
  • disclose
    campaign contribution disclosures - SDR Technologies
    IANA
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
  • threat
    [threat] SniperNet
    Bekkoame
  • snipernet
    [trojan] SniperNet
    SANS
  • trojan
    [trojan] NokNok. Anti-protection trojan / Remote Access / Steals passwords / IRC trojan / Port scanner. Works on Windows 95, 98, ME and 2000. Does NOT work on Windows NT. Aliases: Backdoor.FA, Troj_BckNokNok
    Simovits
  • trojan
    [trojan] SniperNet. Remote Access. Works on Windows 95 and 98. Aliases: Backdoor.SniperNet
    Simovits
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About TCP/UDP ports

TCP port 623 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 623 in the same order in which they were sent. Guaranteed communication over TCP port 623 is the main difference between TCP and UDP. UDP port 623 would not have guaranteed communication as TCP.
UDP on port 623 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 623 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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