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From: "MASUDA,Masahi" <mmasuda@ba2.so-net.ne.jp>
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Subject: [FreeBSD-net-jp 4007] Re:  LAN =?ISO-2022-JP?B?GyRCRmIbKEI=?=
 =?ISO-2022-JP?B?GyRCSXQkTiUvJWklJCUiJXMlSCQrJGkbKEI=?= PING
 =?ISO-2022-JP?B?GyRCJCxETCRpJEokJBsoQg==?=
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X-Distribute: distribute version 2.1 (Alpha) patchlevel 24e+031013

$BA}ED$G$9!#(B


$BNkLZ(B $B3X(B wrote:

$B!cCfN,!d(B

>>$B$5$l$J$$(B($B!a(Bnat$B$5$l$J$$(B)$B$N$,$"$J$?$N$H$3$m$K5/$-(B
>>$B$F$$$k8=>]$G$9!#(B
>>${IPFW} 100 add ${ALLOW} icmp from any to any
>>$B$r:o=|$7$F$_$F$/$@$5$$!#(B
> 
> 
> $B>e5-$N$h$&$K(B100$BHV$N(Bfirewall$B@_Dj$r:o=|$7(B
> $B:F5/F0$7$F(BPING$B$r;n$_$^$7$?$,8=>]$O(B
> $BJQ$o$j$^$;$s$G$7$?!#(B
> $B$$$^$^$G(BPING$B$,DL$C$F$$$?%2!<%H%&%'%$C<Kv$+$i$b(B
> PING$B$,DL$i$J$/$J$j$^$7$?!#(B
> $B8@$$K:$l$^$7$?$,!"$3$N(BFIREWALL$B$O86B'5qH]7?$N0Y!"(B
> 65535$BHV$N(Bdeny ip from any to any $B$G%^%C%A$7$F(B
> $BDL$i$J$$$N$G$O$J$$$+$H;W$$$^$9!#(B
> $B$=$N0Y!"L@<(E*$K(BICMP$B$r5v2D$7$F$"$2$J$$$H$$$1$J$$(B
> $B$N$G$O$J$$$G$7$g$&$+!)(B


$B$=$3$^$GM}2r=PMh$F$$$k$N$G$"$l$P!"(B

1. divert $B$N%k!<%k$NA0$K%2!<%H%&%'%$C<Kv$N(Bicmp $B$,DL$k%k!<%k(B
2. divert $B$N%k!<%k$N8e$K(BNAT $B$N(Bicmp $B$N%k!<%k(B

$B$rDI2C$9$l$PNI$$$+$H!"4hD%$C$F$/$@$5$$!#(B


-- 
MASUDA Masashi <mmasuda@ba2.so-net.ne.jp> <http://unixluser.org/>
IRChat #NFL:*.jp <http://unixluser.org/irc-nfl-japanese.html>
$B%Q%1%C%H$N5$;}$A$K$J$C$F9M$($h$&!#(B:-)

