Open Directory - Computers: Internet: Protocols: IRC

See also:

This category in other languages:

Internet Relay Chat (IRC) Help - Nearly 800 helpful files including FAQs, primers, technical guides, clients and scripts, and server lists and maps.
Client-To-Client Protocol (CTCP) Documentation - Specifications for CTCP as well as DCC protocols which are now standard supplements of IRC.
Mirc.co.uk: DCC Resume - An extention to the standard DCC protocol which offers the option to simply restart a transfer at the point it was broken off and to proceed without loss of connection time.
Most updated RFC1459 - The original and authoritative RFC for IRC, updated by RFC 2810, 2811, 2812 and 2813. Written in 1993, it does not include details on DCC or CTCP, which came later.
RFC 2810 - Internet Relay Chat: Architecture. C. Kalt. April 2000. Updates RFC 1459.
RFC 2811 - Internet Relay Chat: Channel Management. C. Kalt. April 2000. Updates RFC 1459.
RFC 2812 - Internet Relay Chat: Client Protocol. C. Kalt. April 2000. Updates RFC 1459.
RFC 2813 - Internet Relay Chat: Server Protocol. C. Kalt. April 2000. Updates RFC 1459.
Undernet FAQ Website - UnderNet's IRC-related FAQ
Undernet Routing Committee - Resources for Undernet server operators.