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Original author(s)Undernet Coder Committee
Stable release
ircu2.10.12.16[1] / 21 March 2017; 3 years ago (2017-03-21)
LicenseGPL [2]

ircu is the IRC daemon software written for and used on the Undernet IRC network.[3]

ircu is one of the few servers that is based on the irc2.7 codebase of the original IRCd.

At the time the irc2.8 codebase was being forked due to abuse prevention, ircu implemented TS, or time stamping, which stored a unique time stamp with each channel or nickname on the network to decide which was the canonical one to keep. Later versions of ircu implemented the P10 protocol.

Several other IRC daemons are derived from ircu, including Nefarious,[4] Asuka, snircd (used by QuakeNet)[5] and OpenIRCd.[6] DreamForge[7] (formerly used by DALnet) is also based on ircu, but it was forked early during the development of ircu, hence there is little resemblance.

See also[edit]

External links[edit]


  1. ^ "Undernet IRCd Development - Home". Retrieved 2017-07-29.
  2. ^ Undernet-ircu.
  3. ^ "Undernet IRCd Development - Home". Retrieved 2011-12-17.
  4. ^ evilnet development - Home Archived 2007-03-11 at the Wayback Machine.
  5. ^ "IRCd upgrade!". QuakeNet News. January 30, 2008. Retrieved 2009-03-07.
  6. ^ OpenIRCd Development.
  7. ^ Forrest Stroud (October 18, 1998). "Dalnet DreamForge Daemon -- High-End IRC Server for Unix and Windows 95/NT". Archived from the original on 2011-05-12.