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ICBIRC(8)		FreeBSD	System Manager's Manual		     ICBIRC(8)

NAME
     icbirc -- proxy IRC client	and ICB	server

SYNOPSIS
     icbirc [-d] [-l listen-address] [-p listen-port] [-s server-name]
	    [-P	server-port]

DESCRIPTION
     icbirc is a proxy that allows to connect an IRC client to an ICB server.
     The proxy accepts client connections, connects to the server, and for-
     wards data	between	those two connections.

     Commands from the IRC client are translated to ICB	commands and forwarded
     to	the ICB	server.	 Messages from the ICB server are translated to	IRC
     messages and forwarded to the IRC client.

     The options are as	follows:

     -d			Do not daemonize (detach from controlling terminal)
			and produce debugging output on	stdout/stderr.

     -l	listen-address	Bind to	the specified address when listening for
			client connections.  If	not specified, connections to
			any address are	accepted.

     -p	listen-port	Bind to	the specified port when	listening for client
			connections.  Defaults to 6667 when not	specified.

     -s	server-name	Hostname or numerical address of the ICB server	to
			connect	to.

     -P	server-port	Port of	the ICB	server to connect to.  Defaults	to
			7326 when not specified.

     Example:

	   $ icbirc -s default.icb.net

     IRC (Internet Relay Chat) and ICB (Internet Citizen's Band) are two sepa-
     rate chat protocols.  ICB is an older and simpler protocol, basically a
     subset of IRC.  The two most significant differences (from	the client's
     perspective) are:

     An	ICB client can only join a single channel (called group).  Joining a
     second channel automatically parts	the first channel.

     An	ICB channel can	only have a single operator (called moderator).	 Giv-
     ing operator status to a second client automatically removes operator
     status from the first client.

SUPPORTED COMMANDS
     icbirc supports the following IRC commands:

     PASS	   Set the default group, used during login.

     NICK	   Set or change nickname.

     USER	   Supply additional user information (like ident), used dur-
		   ing login.

     LIST	   List	all groups.

     WHOIS	   Shows information about a user.

     WHO	   Lists matching users.  Arguments starting with '#' are in-
		   terpreted as	channel	names (listing all users in the	speci-
		   fied	channel), anything else	is used	for a simple string
		   search within users'	'nick!ident@host'.

     JOIN	   Join	a group.

     PRIVMSG	   Send	an open	or personal message.

     NOTICE	   Same	as PRIVMSG.

     TOPIC	   Set group topic.

     KICK nick	   Boot	nick from group.

     MODE +o nick  Pass	moderation to nick.

     QUIT	   Close client	and server connection, wait for	next client
		   connection.

     Additionally, the command RAWICB can be used to send custom ICB commands.
     The proxy automatically prefixes the correct command length and replaces
     commas with ICB argument separators.  For example:

     RAWICB hm,nick,msg	 Send msg to nick.

SEE ALSO
     Internet Relay Chat Protocol, RFC 1459.

     Internet Relay Chat: Client Protocol, RFC 2812.

     Internet Relay Chat: Channel Management, RFC 2811.

     ICB Protocol, ftp://ftp.icb.net/pub/icb/src/icbd/Protocol.html.

     The History of ICB, http://www.icb.net/history.html.

     General guide to Netiquette on ICB,
     http://www.icb.net/_jrudd/icb/netiquette.html.

HISTORY
     The first version of icbirc was written in	2003.

AUTHORS
     Daniel Hartmeier <daniel@benzedrine.cx>

CAVEATS
     ICB is not	IRC.  Depending	on the ICB community on	a particular server,
     netiquette	rules vary greatly from	common IRC rules (or lack thereof).

     Client scripts or other forms of automated	client actions might generate
     noise or violate ICB community policies, and lacking support for some
     commands might confuse the	script.	 Clients should	be properly configured
     and tested	on a dedicated server before connecting	to a public server.

     In	particular, WHOIS and WHO filtering is done on the proxy. Each such
     request causes the	proxy to fetch the entire user list from the ICB
     server (there are no ICB commands that take filters), hence automatic
     WHOIS requests from the IRC client	can cause unwanted load	on the ICB
     server (turn off 'WHOIS on	JOIN' in the IRC client, if enabled).

BUGS
     On	ICB, a moderator (channel operator) can	leave the group	(channel) and
     rejoin later, preserving his status, as compared to IRC, where the	chan-
     nel would be left operator-less in	this case.  The	proxy does not cur-
     rently detect the operator	status on rejoin in this case, and the IRC
     client will (temporarily) show the	channel	op-less.

     IPv6 is not supported yet.

FreeBSD	13.0			  Aug 6, 2003			  FreeBSD 13.0

NAME | SYNOPSIS | DESCRIPTION | SUPPORTED COMMANDS | SEE ALSO | HISTORY | AUTHORS | CAVEATS | BUGS

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