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-.TH ngircd 8 "Dec 2010" ngircd "ngIRCd Manual"
+.TH ngircd 8 "Jul 2011" ngircd "ngIRCd Manual"
.SH NAME
ngIRCd \- the next generation IRC daemon
.SH SYNOPSIS
systems as well. By default, ngIRCd writes diagnostic and informational messages using
the syslog mechanism.
.SH OPTIONS
-The default behaviour of
+The default behavior of
.BR ngircd
is to read its standard configuration file (see below), to detach from the
controlling terminal and to wait for clients.
The daemon understands the following signals:
.TP
\fBTERM\fR
-Shut down all conections and terminate the daemon.
+Shut down all connections and terminate the daemon.
.TP
\fBHUP\fR
Shut down all listening sockets, re-read the configuration file and
.SH HINTS
It's wise to use "ngircd \-\-configtest" to validate the configuration file
after changing it.
+.SH DEBUGGING
+When ngIRCd is compiled with debug code, that is, its source code has
+been ./configure'd with "--enable-debug" and/or "--enable-sniffer" (witch
+enables debug mode automatically as well), you can use two more command
+line options and two more signals to debug problems with the daemon itself
+or IRC clients:
+.PP
+\fBOptions:\fR
+.TP
+\fB\-d\fR, \fB\-\-debug\fR
+Enable debug mode and log extra messages.
+.TP
+\fB\-s\fR, \fB\-\-sniffer\fR
+Enable IRC protocol sniffer, which logs all sent and received IRC commands to
+the console/syslog. This option requires that ngIRCd has been ./configure'd
+with "--enable-sniffer" and enables debug mode automatically, too.
+.PP
+\fBSignals:\fR
+.TP
+\fBUSR1\fR
+Toggle debug mode on and off during runtime.
+.TP
+\fBUSR2\fR
+Dump internal server state to the console/syslog when debug mode is on (use
+command line option \-\-debug or signal USR1).
.SH AUTHORS
Alexander Barton, <alex@barton.de>
.br