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 "service"

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Port: 72/TCP
72/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • netrjs-2
    Remote Job Service
    IANA
  •  
    NETRJS protocol (Official)
    WIKI
Port: 72/UDP
72/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • netrjs-2
    Remote Job Service
    IANA
Port: 73/TCP
73/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • netrjs-3
    Remote Job Service
    IANA
  •  
    NETRJS protocol (Official)
    WIKI
Port: 73/UDP
73/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • netrjs-3
    Remote Job Service
    IANA
Port: 74/TCP
74/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • netrjs-4
    Remote Job Service
    IANA
  •  
    NETRJS protocol (Official)
    WIKI
Port: 74/UDP
74/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • netrjs-4
    Remote Job Service
    IANA
Port: 75/TCP
75/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  •  
    any private dial out service
    IANA
  • priv-dial
    any private dial out service
    SANS
Port: 75/UDP
75/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  •  
    any private dial out service
    IANA
  • priv-dial
    any private dial out service
    SANS
Port: 77/TCP
77/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  •  
    any private RJE service
    IANA
  • priv-rje
    any private RJE service netrjs
    SANS
Port: 77/UDP
77/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  •  
    any private RJE service
    IANA
  • priv-rje
    any private RJE service netjrs
    SANS
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About TCP/UDP ports

TCP port 72 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 72 in the same order in which they were sent. Guaranteed communication over TCP port 72 is the main difference between TCP and UDP. UDP port 72 would not have guaranteed communication as TCP.
UDP on port 72 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 72 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.
Your IP address
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