EFnet or Eris-Free network is a major Internet Relay Chat (IRC) network, with more than 35,000 users. It is the modern-day descendant of the original IRC network.
History
Initially, most IRC servers formed a single IRC network, to which new servers could join without restriction, but this was soon abused by people who set up servers to sabotage other users, channels, or servers. Restriction grew and, in August 1990, eris.Berkeley.EDU was the last server indiscriminately allowing other servers to join it, Eris being the Greek goddess of strife and discord.
A group of operators, with the support of Jarkko Oikarinen, introduced a new "Q-line" into their server configurations, to "quarantine" themselves away from eris by disconnecting from any subset of the IRC network as soon as they saw eris there.For a few days, the entire IRC network suffered frequent netsplits, but eventually the majority of servers added the Q-line and effectively created a new separate IRC net called EFnet (Eris-Free Network); the remaining servers which stayed connected to eris (and thus were no longer able to connect...