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Date:      Sun, 24 Oct 1999 19:59:06 -0400
From:      Mike Tancsa <mike@sentex.net>
To:        "Mr Magoo" <mrmagoo@shotblast.com>, <security@FreeBSD.ORG>
Subject:   RE: kernel patch to detect port scan, without turning on ports...
Message-ID:  <4.1.19991024195648.04634e00@granite.sentex.ca>
In-Reply-To: <NDBBIDLEKDLILPNDNAEJIEKLCAAA.mrmagoo@shotblast.com>
References:  <199910240556.PAA55113@atdot.dotat.org>

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At 07:48 PM 10/24/99 , Mr Magoo wrote:
>How would you go about making these messages go into a syslogd file? I've
>never really understood howto put things into a log file with it.
>	BTW- can you do that same thing for ICMP's?

Add the line
kern.* 	<at least 1 tab> /var/log/kern

to /etc/syslog.conf
(than kill -1 `cat /var/run/syslog.pid` to signal syslogd to reread its
config file)
To log all icmp traffic, one way to do it is via ipfw
e.g.
ipfw add 500 allow log icmp from any to any
or 
ipfw add 500 allow log icmp from any to any icmptype 0,8

for just pings.  It too will get logged via syslog to kern.

	---Mike
**********************************************************************
Mike Tancsa, Network Admin        *  mike@sentex.net
Sentex Communications Corp,       *  http://www.sentex.net/mike
Cambridge, Ontario                *  01.519.651.3400
Canada                            *


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