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mousetrapd.8
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.\" ========================================================================
.\"
.IX Title "MOUSETRAPD 8"
.TH MOUSETRAPD 8 "2014-11-10" "perl v5.18.4" "Mousetrapd"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "mousetrapd"
.IX Header "mousetrapd"
mousetrapd \- Log monitoring and active response daemon
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\& mousetrapd [options]
\&
\& Options:
\& \-\-daemon start as a daemon
\& \-\-user=<user> user to setuid to
\& \-\-group=<group> group to setgid to
\& \-\-pidfile=<pidfile> location of the pidfile
\& \-\-config=<config> path to configuration file
\& \-\-help print help and exit
\& \-\-version print version and exit
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This program monitors multiple file sources as specified in the
configuration file and executes arbitrary actions based on the
frequency of observer \*(L"events\*(R".
.PP
An event is a captured string extracted out of a line from a log file.
For example, if the following source was configured in the mousetrapd
configuration file:
.PP
.Vb 6
\& my_iptables_source: {
\& file: \*(Aq/var/log/kern.log\*(Aq,
\& pattern: \*(Aqaudit out smtp .+ UID=(\ed+)\*(Aq,
\& index: 0,
\& action: \*(Aqiptables \-A OUTPUT \-m owner \-\-uid\-owner %L \-j DROP\*(Aq
\& }
.Ve
.PP
a unique match of the value of the group above (ie \ed+) is considered
an event. So to illustrate further, if the following line was
observed in /var/log/kern.log with the configured \*(L"pattern\*(R" above:
.PP
.Vb 1
\& IPTABLES \- audit out smtp IN= OUT=eth0 ... UID=12333 ...
.Ve
.PP
the \*(L"event\*(R" is considered an occurance of \*(L"12333\*(R". A limit of event
occurances per time period is configured, along with a threshold.
If a particular event exceeds this limit, an arbitrary command configured
against the source is executed, with '%L' substituted for the event. In
the example above, the following command would be executed:
.PP
.Vb 1
\& iptables \-A OUTPUT \-m owner \-\-uid\-owner 12333 \-j DROP
.Ve
.SH "SIGNALS"
.IX Header "SIGNALS"
The mousetrapd daemon will catch the \s-1HUP\s0 signal, reload the configuration
that the daemon was started with, and restart all source watcher child
processes.
.SH "AUTHOR"
.IX Header "AUTHOR"
Mikey Austin, <mikey@jackiemclean.net>
.SH "COPYRIGHT AND LICENSE"
.IX Header "COPYRIGHT AND LICENSE"
Copyright (C) 2014 Mikey Austin <mikey@jackiemclean.net>
.PP
This program is free software; you can redistribute it and/or modify
it under the terms of the \s-1GNU\s0 General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
.PP
This program is distributed in the hope that it will be useful,
but \s-1WITHOUT ANY WARRANTY\s0; without even the implied warranty of
\&\s-1MERCHANTABILITY\s0 or \s-1FITNESS FOR A PARTICULAR PURPOSE. \s0 See the
\&\s-1GNU\s0 General Public License for more details.
.PP
You should have received a copy of the \s-1GNU\s0 General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, \s-1MA 02110\-1301 USA.\s0