List of TCP and UDP port numbers

The following list contains the mapping of ports to protocols that have been standardized by the IANA. A complete list can be viewed at Unix-like operating systems in the / etc / services file.

Legend

Color coding in the table:

Standardized ports ( 0-1023 )

On UNIX -like operating systems, only the root account may operate services that are to ports below 1024. Here, in the so-called system ports or well- known ports, is the highest concentration found in official and well-known ports.

Registered ports: 1024-49151

These ports from No. 1024 to No. 49151 are registered ports. On most systems, these ports can be operated by normal users and staffed with services.

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