From owner-FreeBSD-net-jp@jp.freebsd.org  Fri Mar  5 15:53:45 1999
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To: FreeBSD-net-jp@jp.freebsd.org
From: TANIYAMA Hideki <yoko@sunny.co.jp>
In-Reply-To: Your message of "Fri, 05 Mar 1999 15:22:18 +0900"
References: <199903050622.PAA18643@mogami.ann.tama.kawasaki.jp>
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Date: Fri, 05 Mar 1999 15:53:40 +0900
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Subject: [FreeBSD-net-jp 1430] Re: ipfw log
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$BC+;3$G$9!#(B

>>>> On Fri, 05 Mar 1999 15:22:18 +0900,
>>>> 	zensyo@ann.tama.kawasaki.jp wrote:

>:> ipfw$B$r;HMQ$7$F$$$k:]$K%+!<%M%k$,EG$/%a%C%;!<%8$K4X$7$F65$($F2<$5$$!#(B
>:> $B$3$3:G6a!";d$N4IM}$9$k%[%9%H(BY$B$K(B
>:> ipfw: 2008 Deny UDP X:53 Y:4045 in via de0
>:>  X: $B%[%9%H(BX$B$N(BIP$B%"%I%l%9(B
>:>  Y: $B%[%9%H(BY$B$N(BIP$B%"%I%l%9(B
>:> $B$N$h$&$J(Blockd$B$KBP$9$k%"%?%C%/$H$*$\$7$-%m%0$,=PNO$5$l$F$$$^$9!#$3(B
>:>$B$3$G!"(B

zensyo> $B%[%9%H(BY$B$O(BFreeBSD2.2.5,$B%[%9%H(BX$B$b(BFreeBSD(2.2.7-RELEASE)$B$G$9!#(B

zensyo> $B$3$N(B2$BBf$OA4$/JL$N4IM}$r9T$C$F$*$j!"D>@\$NDL?.$O$[$H$s$I$"$j$^(B
zensyo> $B$;$s!#$^$?!"(Breject$B%a%C%;!<%8$N;OE@$H$J$k%[%9%H$O<B:]$K$O%[%9%H(B
zensyo> X$B$@$1$G$J$/!"%[%9%H(BX$B$HF10l$N4IM}2<$K$"$k%[%9%H#2!$#3Bf$+$i$N%m(B
zensyo> $B%0$b5-O?$5$l$F$$$^$9!#(B

$B$=$l!"K\Ev$K(Battack$B$G$7$g$&$+!)(BHost Y$B$K$O!"(Bport 4045$B$GBT$C$F$$$k(Bdaemon
$B$N$?$0$$$O$$$^$9$+!)<B$O$$$J$$$s$8$c$J$$$N$G$7$g$&$+!)(B

$B%[%9%H(BX$B$d!"B>$N!V(B2$B!"(B3$BBf!W$O!"%[%9%H(BY$B$N(B/etc/resolv.conf$B$K=q$+$l$F$$$k%[(B
$B%9%H72$@$C$?$j$7$^$;$s$+!)(B

$B$G!"7k6I$N$H$3$m!"%[%9%H(BY$B$N(Bport 4045$B$O!"(BY$B$N(Bresolver$B$,(BDNS query$B$r=P$9:](B
$B$K!"%=!<%9B&$N(Bephemeral port$B$H$7$F;H$C$F$$$k$@$1$G!"%5!<%P$,$=$3$K(BDNS
query$B$KBP$9$kEz$rJV$7$F$$$k$@$1!D$H$$$&2DG=@-$O$J$$$N$G$9$+!)(B

tcpdump$B$J$I$G!"LdBj$N%G!<%?%0%i%`$NCf?H$r(Bdump$B$7$F%A%'%C%/$7$F$_$k$3$H(B
$B$r$*4+$a$7$^$9!#(B

$B!A!A!A!A!A!A!A!A!A!A!A!A!A!A!A!A!A!A!A(B  $BC+;3(B $B=(<y(B yoko@sunny.co.jp
  $B$h$3$J$_(B $B$h$3$J$_(B $B$h$3$J$_(B $B$h$3$J$_(B   $B3t<02q<R(B $B%5%K!<%=%U%H(B


