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This is a list of TCP and UDP port numbers used by protocols for operation of network applications.
The Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP) only need one port for duplex, bidirectional traffic. They usually use port numbers that match the services of the corresponding TCP or UDP implementation, if they exist.
The Internet Assigned Numbers Authority (IANA) is responsible for maintaining the official assignments of port numbers for specific uses.[1] However, many unofficial uses of both well-known and registered port numbers occur in practice. Similarly, many of the official assignments refer to protocols that were never or are no longer in common use. This article lists port numbers and their associated protocols that have experienced significant uptake.
^"Service Name and Transport Protocol Port Number Registry". Internet Assigned Numbers Authority. Retrieved 8 October 2023.
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needed] Registered portListofTCPandUDPportnumbers The effective range is accessible via procfs at node /proc/sys/net/ipv4/ip_local_port_range. Karen...
equipment and are used for routing protocols such as IGRP and OSPF, and for Internet Control Message Protocol (ICMP). ListofTCPandUDPportnumbers Promiscuous...
Protocol (TCP), the User Datagram Protocol (UDP), and the Internet Protocol (IP). Early versions of this networking model were known as the Department of Defense...
Numbers Authority (IANA) has assigned TCP/UDPport 7624 (Transmission Control Protocol and User Datagram Protocol) for use by INDI. See ListofTCP and...
parlance, the term open port is used to mean a TCP or UDPport number that is configured to accept packets. In contrast, a port which rejects connections...
Internet Numbers Internet governance Listof information technology initialisms ListofTCPandUDPportnumbers Montevideo Statement on the Future of Internet...
User Datagram Protocol (UDP) instead, which provides a connectionless datagram service that prioritizes time over reliability. TCP employs network congestion...
Proanthocyanidin, a type of flavanol Pulmonary artery catheterization Pacifica Coin, see ListofTCPandUDPportnumbers#Registered_ports Perceptual Audio Coder...
replaced the ARPA Host Name Server Protocol and the DARPA Trivial Name Server. ListofTCPandUDPportnumbersListof Unix operating systems Domain Name System...
protocols such as TCP (Transmission Control Protocol) or UDP (User Datagram Protocol). TCP/IP is the protocol set used for email and web browsing. Each...
designated ports used by Internet services such as FTP, POP3, and telnet. When a TCP packet or UDP packet arrives with a particular destination port number...
server. Practically, a SOCKS server proxies TCP connections to an arbitrary IP address, and provides a means for UDP packets to be forwarded. A SOCKS server...
a listof articles that list different types or classifications of communication protocols used in computer networks. Listof network buses Listof network...
well-known ports (typically port 80 if the connection is unencrypted or port 443 if the connection is encrypted, see also ListofTCPandUDPportnumbers). In...
GGSNs and CGFs within 3GPP networks. GPRS mobile stations (MSs) are connected to a SGSN without being aware of GTP. GTP can be used with UDP or TCP. UDP is...
distributed file systems Lists of network protocols List of TCPandUDPportnumbersListof backup software AS2 Connect:Direct Files transferred over shell...
including payload and L2TP header, is sent within a User Datagram Protocol (UDP) datagram. A virtue of transmission over UDP (rather than TCP) is that it avoids...
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