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# Internet Assigned Numbers Authority (IANA)
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The [IANA](http://www.iana.org) assigns a lot of different numbers (and the like) related to network protocols. Widely known are the well known [TCP](/TCP)/[UDP](/UDP) port assignments (see [PortReference](/PortReference)), such as the assignment of [TCP](/TCP) port 80 as the standard port for [HTTP](/HTTP) traffic. In addition to this, the IANA has made a number of other assignments:
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- [Protocol numbers](http://www.iana.org/assignments/protocol-numbers) for protocols running on top of [IP](/IP)
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- [Media types](http://www.iana.org/assignments/media-types/index.html) used in [HTTP](/HTTP), [SIP](/SIP), e-mail, [WSP](/WSP), [MMSE](/MMSE) and many other protocols
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## History
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The assigned numbers (including the port numbers) were once reported using [RFC](/RFC) documents. Several of such obsoleted RFCs exists (1700, 1340, 1060, 1010, 990, 960, 943, 923, 900, 870, 820, 790, 776, 770, 762, 758,755, 750, 739, 604, 503, 433, 349). Today, the IANA keeps "living documents" of assigned numbers on their webpage.
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## External Links
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- [RFC1700](http://www.rfc-editor.org/rfc/rfc1700.txt): Last RFC containing assigned numbers (obsoleted by IANA list).
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- [RFC3232](http://www.rfc-editor.org/rfc/rfc3232.txt): States that RFC1700 is obsoleted by the IANA list.
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- [IANA list of assigned numbers](http://www.iana.org/numbers.html): Official lists of assigned numbers and the like.
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---
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Imported from https://wiki.wireshark.org/IANA on 2020-08-11 23:14:55 UTC |