From owner-FreeBSD-users-jp@jp.FreeBSD.org Wed Sep 26 23:30:27 2007
Received: (from daemon@localhost)
	by castle.jp.FreeBSD.org (8.11.6p2+3.4W/8.11.3) id l8QEURE31901;
	Wed, 26 Sep 2007 23:30:27 +0900 (JST)
	(envelope-from owner-FreeBSD-users-jp@jp.FreeBSD.org)
Received: from mail.csg.is.titech.ac.jp (mail.csg.is.titech.ac.jp [131.112.40.132])
	by castle.jp.FreeBSD.org (8.11.6p2+3.4W/8.11.3) with ESMTP/inet id l8QEURB31894
	for <FreeBSD-users-jp@jp.FreeBSD.org>; Wed, 26 Sep 2007 23:30:27 +0900 (JST)
	(envelope-from yanagisawa@csg.is.titech.ac.jp)
Received: from mail.csg.is.titech.ac.jp (mail.csg.is.titech.ac.jp [127.0.0.1])
	by mail.csg.is.titech.ac.jp (Postfix) with ESMTP id 2D2511004DE0
	for <FreeBSD-users-jp@jp.FreeBSD.org>; Wed, 26 Sep 2007 23:30:22 +0900 (JST)
Received: from [10.11.12.1] (softbank218113069094.bbtec.net [218.113.69.94])
	(using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits))
	(No client certificate requested)
	by mail.csg.is.titech.ac.jp (Postfix) with ESMTP id ED4E31002D51
	for <FreeBSD-users-jp@jp.FreeBSD.org>; Wed, 26 Sep 2007 23:30:21 +0900 (JST)
Message-ID: <46FA6CF3.9020708@csg.is.titech.ac.jp>
From: Yoshisato YANAGISAWA <yanagisawa@csg.is.titech.ac.jp>
Organization: Tokyo Institute of Technology.
User-Agent: Thunderbird 2.0.0.6 (Windows/20070728)
MIME-Version: 1.0
To: FreeBSD-users-jp@jp.FreeBSD.org
References: <00b301c7ffe2$6bd743f0$7d03a8c0@morimotoPC>
In-Reply-To: <00b301c7ffe2$6bd743f0$7d03a8c0@morimotoPC>
Content-Type: text/plain; charset=ISO-2022-JP
Content-Transfer-Encoding: 7bit
X-Virus-Scanned: ClamAV using ClamSMTP
Reply-To: FreeBSD-users-jp@jp.FreeBSD.org
Precedence: list
Date: Wed, 26 Sep 2007 23:30:11 +0900
X-Sequence: FreeBSD-users-jp 91054
Subject: [FreeBSD-users-jp 91054] Re: ipfw =?ISO-2022-JP?B?GyRCJE4bKEI=?=
 =?ISO-2022-JP?B?GyRCRjBFKiVrITwlayROP3QbKEI=?= 
Sender: owner-FreeBSD-users-jp@jp.FreeBSD.org
X-Originator: yanagisawa@csg.is.titech.ac.jp
X-Distribute: distribute version 2.1 (Alpha) patchlevel 24e+060209


$BLx_7$G$9!#(B

YAMANEKO/Mao $B$5$s$O=q$-$^$7$?(B:
> $B$?$S$?$S$*@$OC$K$J$j$^$9!"$b$j$b$H$G$9(B
> 
> DNS$B%5!<%P$K$*$$$F!"(B
> ipfw$B$G(B limit src-addr $B$N@_Dj$r$7$F$$$k$N$G$9$,!"(B
> $B$=$N$?$aF0E*%k!<%k$,8B3&$$$C$Q$$$^$G=PMh$F$*$j$^$7$F!"(B
(snip)
> $B$=$3$G!"F0E*%k!<%k$N:GBg?t$r8:$i$;$P$$$$$N$G$O!"$H;W$$$D$-!"(B

$BF0E*%k!<%k$N;HMQN($,9b$$$N$K:GBg?t$r8:$i$9$N$ONI$/$J$$$H;W$$$^$9$h!#(B
$B$7$+$7!"8!:w$N;~4V$bGO</$K$J$i$J$/$J$C$F$-$F$$$k$h$&$J$N$G!"(B
$B$3$N>u67$G$N2r7h:v$OI,MW:GDc8B$N$b$N$@$1F0E*%k!<%k$r;H$&$h$&$K(B
$B$9$k$3$H$+$H;W$$$^$9!#(B

> $B!!(Bnet.inet.ip.fw.dyn_max=8192
> 
> $B$H$J$C$F$$$?$N$G!">/$78:$i$7$F$_$?$H$3$m!"(B
> 
> $B!!(Bnet.inet.ip.fw.dyn_max=100 $B!J6KC<!*!)!K(B
> 
> DNS$B$N(BUDP/53$B$N%Q%1%C%H$,$[$H$s$I$^$C$?$/DL$i$J$/$J$C$F$7$^$$$^$7$?!#(B

DNS$B$N(Bquery$B$H(Breply$B$O$+$J$jB?$$%Q%1%C%H$rEj$2$k$3$H$K$J$k$N$G!"(B
keep-state$B$9$k$H3d$H$9$0$K%F!<%V%k$r;H$$2L$?$7$^$9!#(B

$BL$3NG'$G$9$,!"(BUDP$B$O>uBV$r;}$?$J$$$?$a!"(Bkeep-state$B$7$?>l9g$O(BDNS$B$N(Breply$B$,(B
$BMh$F$b0lDj;~4V%F!<%V%k$rJ];}$9$k$H;W$$$^$9!#$3$l$,%F!<%V%k$r;H$$2L$?$9(B
$B860x$K$J$C$F$$$k$H;W$$$^$9!#$A$J$_$K!"@N(Bipfw$B$r;H$C$F$$$?:"$O<+J,$b(B
$BF1$8$h$&$J7P83$r$7$?$N$G!"(BDNS$B$@$1$O(Bkeep-state$B$7$J$/$F$bF0$/$h$&$K(B
$B%k!<%k$r=q$$$F$$$^$7$?!#30It$KDL?.$9$k(BDNS$B%=!<%9%]!<%H$r8GDj$7!"(B
$B$=$3$K8~$+$&30It$+$i$NDL?.$rL5>r7o$G5v2D$7$^$7$?!#(B

$B:G6a$O(Bwebalizer$B$N$h$&$K(BDNS$B%/%(%j!<$r30$KEj$2$^$/$kI,MW$,$"$k%=%U%H$r(B
$B;H$o$J$$$?$a$+!"(Bpf$B$K$7$?$?$a$+!"$3$l$K$D$$$FFC$K2?$b@_Dj$7$F$J$$$G$9$M!#(B
pf$B$G$O>uBV$r8!:w$9$k%F!<%V%k$r(BAVL$BLZ$G3JG<$7$F$*$j!"8!:w@-G=$,(B
$B%(%s%H%j?t(Bn$B$KBP$7$F(BO(log n)$B$H$J$k$3$H$N8z2L$+$b$7$l$^$;$s!#(B
http://www.benzedrine.cx/pf-paper.html
