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 "rfc"

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Port: 1/TCP
1/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • tcpmux
    TCP Port Service Multiplexer
    IANA
  •  
    TCP Port Service Multiplexer (TCPMUX) (Official)
    WIKI
  • tcpmux
    TCP Port Service Multiplexer [rfc-1078]
    SANS
Port: 13/TCP
13/TCP - Known port assignments (4 records found)
  • Service
    Details
    Source
  • daytime
    Daytime
    IANA
  •  
    Daytime Protocol (RFC 867) (Official)
    WIKI
  • daytime
    Daytime (RFC 867)
    Bekkoame
  • daytime
    -
    SANS
Port: 13/UDP
13/UDP - Known port assignments (4 records found)
  • Service
    Details
    Source
  • daytime
    Daytime
    IANA
  •  
    Daytime Protocol (RFC 867) (Official)
    WIKI
  • daytime
    Daytime (RFC 867)
    Bekkoame
  • daytime
    -
    SANS
Port: 57/TCP
57/TCP - Known port assignments (4 records found)
  • Service
    Details
    Source
  •  
    any private terminal access
    IANA
  •  
    Mail Transfer Protocol (RFC 780) (Official)
    WIKI
  • priv-term
    any private terminal access
    SANS
  • fxscanner
    FX-Tools Vulnerability Scanner
    SANS
Port: 444/TCP
444/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • snpp
    Simple Network Paging Protocol
    IANA
  •  
    SNPP, Simple Network Paging Protocol (RFC 1568) (Official)
    WIKI
Port: 444/UDP
444/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • snpp
    Simple Network Paging Protocol
    IANA
  •  
    SNPP, Simple Network Paging Protocol (RFC 1568) (Official)
    WIKI
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: 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: 712/TCP
712/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • tbrpf
    TBRPF
    IANA
  •  
    Topology Broadcast based on Reverse-Path Forwarding routing protocol (TBRPF) (RFC 3684) (Official)
    WIKI
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 860/TCP
860/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • iscsi
    iSCSI
    IANA
  •  
    iSCSI (RFC 3720) (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 1 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 1 in the same order in which they were sent. Guaranteed communication over TCP port 1 is the main difference between TCP and UDP. UDP port 1 would not have guaranteed communication as TCP.
UDP on port 1 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 1 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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