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 "rp"

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Port: 648/UDP
648/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • rrp
    Registry Registrar Protocol (RRP)
    IANA
  • 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: 650/TCP
650/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • obex
    OBEX
    IANA
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
  • trojan
    [trojan] Assasin. Anti-protection trojan / Remote Access / Keylogger / LAN trojan. Works on Windows 95, 98, ME, NT, 2000 and XP. Aliases: A.s.s.A'sin', Backdoor.Assasin, BackDoor.AGS
    Simovits
Port: 650/UDP
650/UDP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • obex
    OBEX
    IANA
  • bwnfs
    BW-NFS DOS Authentication
    SANS
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 651/TCP
651/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • ieee-mms
    IEEE MMS
    IANA
  •  
    IEEE-MMS (Official)
    WIKI
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 651/UDP
651/UDP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • ieee-mms
    IEEE MMS
    IANA
  •  
    IEEE-MMS (Official)
    WIKI
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 652/TCP
652/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • hello-port
    HELLO_PORT
    IANA
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 652/UDP
652/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • hello-port
    HELLO_PORT
    IANA
  • 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
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About TCP/UDP ports

TCP port 648 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 648 in the same order in which they were sent. Guaranteed communication over TCP port 648 is the main difference between TCP and UDP. UDP port 648 would not have guaranteed communication as TCP.
UDP on port 648 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 648 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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