From owner-FreeBSD-net-jp@jp.freebsd.org  Wed Oct 29 12:53:08 1997
Received: by jaz.jp.freebsd.org (8.8.8+2.7Wbeta7/8.7.3) id MAA25334
	Wed, 29 Oct 1997 12:53:08 +0900 (JST)
Received: by jaz.jp.freebsd.org (8.8.7+2.7Wbeta7/8.7.3) with SMTP id MAA25326
	for <FreeBSD-net-jp@jp.freebsd.org>; Wed, 29 Oct 1997 12:53:04 +0900 (JST)
Received: from [124.91.0.41] ([124.91.0.41]) by ms.sitix.co.jp (8.6.13+2.5Wb7/3.4W2-96060410) with SMTP id MAA24564 for <FreeBSD-net-jp@jp.freebsd.org>; Wed, 29 Oct 1997 12:47:47 +0900
Message-Id: <199710290347.MAA24564@ms.sitix.co.jp>
X-Sender: matoba@172.20.48.1 (Unverified)
X-Mailer:  Macintosh Eudora Pro Version 3.0.2Jr2
Mime-Version: 1.0
Content-Type: text/plain; charset="ISO-2022-JP"
Content-Transfer-Encoding: 7bit
Date: Wed, 29 Oct 1997 13:01:52 +0900
To: FreeBSD-net-jp@jp.freebsd.org
From: Bunpei Matoba <bm@partner.smicec.co.jp>
Reply-To: FreeBSD-net-jp@jp.freebsd.org
Precedence: list
X-Distribute: distribute [version 2.1 (Alpha) patchlevel=20]
X-Sequence: FreeBSD-net-jp 259
Subject: [FreeBSD-net-jp 259] Portscanning detection program for FreeBSD
Errors-To: owner-FreeBSD-net-jp@jp.freebsd.org
Sender: owner-FreeBSD-net-jp@jp.freebsd.org

$B$K$o$+%$%s%?!<%M%C%H@\B34IM}<T$N(J
$B=;6b@)8f$NE*>l$G$9!%(J

FreeBSD$B>e$G$*<j7Z$KF0$+$;$k!$(J
$B30It$+$i$N(Jportscan$B$r8!CN$9$k%W%m%0%i%`(J
$B$,$"$l$P!$65$($F$$$?$@$1$^$;$s$G$7$g$&$+!)(J

Firewall$B$H$7$FF/$$$F$$$k%^%7%s$d%$%s%?!<%M%C%H$K(J
$BO*=P$7$F$$$k%^%7%s$G!$$I$3$+$+$i(Jsatan(santa?)$BEy$G(J
portscan$B$r<u$1$?;~$K!$$3$l$r8!CN$7$F5-O?$7$?$$(J
$B$H$$$&OC$J$N$G$9$,!%(J

$B<B$O!$(JSchuba$B$5$s$H$$$&?M$N(Jhome page
http://www.cs.purdue.edu/homes/schuba/
$B$K(JLink$B$N$"$kH`$N%W%m%0%i%`(J
scan-detector
ftp://coast.cs.purdue.edu/pub/COAST/tools/scan-detector.tar.Z
$B$r(JFreeBSD2.2.1R$B$N(Jjperl5.003$B$N$b$H$GF0$+$=$&$H$7$?$H$3$m!$(J
require 'syslog.ph';
$B$N$H$3$m$G$D$^$E$$$F?J$s$G$*$j$^$;$s!%(J

--
Bunpei Matoba
Computer System Division
Sumitomo Metal Industries Control & Engineering Corp.
Amagasaki Japan
Phone: +81-6-418-4707    fax. +81-6-418-4764
Nifty-Serve: JAE00767   CompuServe: 72300,3551
http://www.nerimadors.or.jp/~bunpei/index.html


