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IRCD(8)
NAME
ircd - The Internet Relay Chat Program Server
SYNOPSIS
ircd [ -abcioqst ] [ -f configfile ] [ -x debuglevel ] [ -h hostname ] [ -T
tunefile ] [ -p mode ]
ircd -v
DESCRIPTION
ircd is the server (daemon) program for the Internet Relay Chat Program.
The ircd is a server in that its function is to "serve" the client program
irc(1) with messages and commands. All commands and user messages are
passed directly to the ircd for processing and relaying to other ircd
sites. The irc(1) program depends upon there being an ircd server running
somewhere (either on your local UNIX site or a remote ircd site) so that it
will have somewhere to connect to and thus allow the user to begin talking
to other users.
ircd will reread its configuration file whenever it received a hangup
signal, SIGHUP.
Sending an interrupt signal to ircd process will cause it to restart.
OPTIONS
-a Instructs the server to automatically die off if it loses all it's
clients.
-b If the ircd.tune file is corrupted, by default the server will not
start. This option will make the server start anyways, with the
default values (ignoring the corrupted file).
-c This flag must be given if you are running ircd from /dev/console or
any other situation where fd 0 isnt a tty and you want the server to
fork off and run in the background. This needs to be given if you are
starting ircd from an rc (such as /etc/rc.local) file.
-i The server was started by inetd and it should start accepting
connections from standard input. The following inetd.conf-line could
be used to start up ircd automatically when needed:
ircd stream tcp wait irc /etc/ircd ircd -i
allows inetd to start up ircd on request.
-o Starts up a local ircdaemon. Standard input can be used to send IRC
commands to the daemon. The user logging in from standard input will
be given operator privileges on this local ircd. If ircd is a setuid
program, it will call setuid(getuid()) before going to local mode.
This option can be used in inetd.conf to allow users to open their own
irc clients by simply connecting their clients to the correct ports.
For example:
irc stream tcp nowait irc /etc/ircd ircd -f/etc/ircd.conf -o
allows users connecting to irc port (specified in /etc/services) to
start up their own ircdaemon. The configuration file should be used to
check from which hosts these connections are allowed from. This option
also turns on the autodie option -a.
-q Using this option stops the server from doing DNS lookups on all the
servers in your ircd.conf file when it boots. This can take a lengthy
amount of time if you have a large number of servers and they are not
all close by.
-s When this option is specified, iauth will not be started. This means
that the IRC daemon will perform "ident lookups" (RFC 1413) internally
to attempt to authenticate incoming connections. No other
authentication mechanism will be used.
-t Instructs the server to direct debugging output to standard output.
-f filename
Specifies the ircd.conf file to be used for this ircdaemon. The option
is used to override the default ircd.conf given at compile time.
-x # Defines the debuglevel for ircd. The higher the debuglevel, the more
stuff gets directed to debugging file (or standard output if -t option
was used as well).
-h hostname
Allows the user to manually set the server name at startup. The
default name is hostname.domainname.
-p mode
Specify whether the server should enable built-in protections against
various type of user abuse that is commonly found on big public
networks. Possible modes are strict (default), on and off. The
strict option enables the protections, and refuses to establish a link
to a server not running with this option. This is useful to force all
servers on an IRC network to enable them.
-T tunefile
Specifies the ircd.tune file to be used for this ircdaemon. The option
is used to override the default ircd.tune given at compile time.
-v This option prevents the server from starting, and dumps some
information about the version instead.
If you plan to connect your ircd server to an existing Irc-Network, you
will need to alter your local IRC CONFIGURATION FILE (typically named
"ircd.conf") so that it will accept and make connections to other ircd
servers. This file contains the hostnames, Network Addresses, and
sometimes passwords for connections to other ircds around the world.
Because description of the actual file format of the "ircd.conf" file is
beyond the scope of this document, please refer to the file INSTALL in the
IRC source files documentation directory.
BOOTING THE SERVER: The ircd server can be started as part of the UNIX
boot procedure or just by placing the server into Unix Background. Keep in
mind that if it is *not* part of your UNIXES Boot-up procedure then you
will have to manually start the ircd server each time your UNIX is
rebooted. This means if your UNIX is prone to crashing or going for for
repairs a lot it would make sense to start the ircd server as part of your
UNIX bootup procedure. In some cases the irc(1) will automatically attempt
to boot the ircd server if the user is on the SAME UNIX that the ircd is
supposed to be running on. If the irc(1) cannot connect to the ircd server
it will try to start the server on it's own and will then try to reconnect
to the newly booted ircd server.
EXAMPLE
tolsun% ircd
Places ircd into UNIX Background and starts up the server for use. Note:
You do not have to add the "&" to this command, the program will
automatically detach itself from tty.
tolsun% ircd -v
ircd 2.9.3 AaCDEfFHiIkMsu_V1
zlib not used
Tue Apr 1 1997 at 20:17:50 EDT #1
This indicates that this binary is the version 2.9.3 of the software.
AaCDEfFHiIkMsu_V1 are the compile time options which were used. This
binary does not support compression of server-server links (does not use
zlib) and was compiled on April the 1st.
COPYRIGHT
(c) 1988,1989 University of Oulu, Computing Center, Finland,
(c) 1988,1989 Department of Information Processing Science, University of
Oulu, Finland
(c) 1988,1989,1990,1991 Jarkko Oikarinen
For full COPYRIGHT see LICENSE file with IRC package.
FILES
/etc/utmp
"ircd.conf"
SEE ALSO
iauth(8) irc(1) ircdwatch(8)
BUGS
None... ;-) if somebody finds one, please send mail to ircd-bugs@irc.org
AUTHOR
Jarkko Oikarinen, currently jto@tolsun.oulu.fi, manual page written by Jeff
Trim, jtrim@orion.cair.du.edu, later modified by jto@tolsun.oulu.fi.
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