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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.
If you want to remember a port number or protocol, this cheat sheet will help everyone, from students to professionals. Get a copy of this common ports cheat sheet here to keep on your desk. When you're ready, scroll below to find the port you’re looking for.
It’s a pain trying to memorize port numbers and their corresponding service names and protocols. So, we created this concise cheat sheet of common network ports and their associated protocols and service names for you to use as a quick reference.
The following are some of the most common service names, transport protocol names, and port numbers used to differentiate between specific services that employ TCP, UDP, DCCP, and SCTP. Port Number
This is a list of Internet socket port numbers used by application communication with TCP and UDP on the Transport Layer of the Internet Protocol Suite for the host-to-host communications.
Below, we take a look at these protocols, provides a basic description of their function, and lists the port numbers that they are commonly associated with. Table 1 Common TCP/IP Protocols and Ports
This is a list of Internet socket port numbers used by protocols of the transport layer of the Internet Protocol Suite for the establishment of host-to-host connectivity.
The Transmission Control Protocol (TCP) and User Datagram Protocol (UDP) each use port numbers for their communication channels. The ports numbered 0 through 1023 are the well-known system ports, reserved for special uses.
5999 TCP cvsup. 161 UDP snmp-agents (unencrypted) 1311 TCP dell openmanage 6000-6001 TCP X11. 162 UDP snmp-trap (unencrypted) 1433 TCP ms-sql-s. 6129 TCP dameware. 177 UDP xdmcp 1434 TCP/UDP ms-sql-m 6379 TCP redis.
Each TCP port is assigned a unique number ranging from 0 to 65535. These ports are categorized into three ranges: well-known ports (0-1023), registered ports (1024-49151), and dynamic or private ports (49152-65535).