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From: NAKANUMA Takashi <tak@big.or.jp>
To: FreeBSD-users-jp@jp.FreeBSD.org
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Subject: [FreeBSD-users-jp 76220] Re: IPFW =?ISO-2022-JP?B?GyRCJE4bKEI=?=
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$BCf>B$G$9!#(B

On Fri, 12 Sep 2003 11:23:31 +0900
"MASUDA,Masashi" <mmasuda@ba2.so-net.ne.jp> wrote:

> $BA}ED!s$3$s$J$3$H$7$F$$$k2KL5$$$O$:!w2q<R$G$9!#(B
> 
> # $BMWE@$@$1!#(B

> $B$o$?$7$J$i(B
> 
> allow icmp from ($B30ItFCDj%[%9%H(B) to me icmptypes 3,8,11,12
> allow icmp from me to ($B30ItFCDj%[%9%H(B) icmptypes 0,3
> deny icmp from any to any
> 
> $B$H$7$^$9$M!#(Bicmptypes 11,18 $B$r(Ballow $B$9$k$+$O$*9%$_$@$H;W$&$1$I(B
> type 3 $B$r%I%m%C%W$9$k$HIT9,$K$J$j$^$9!#(B
> 
> $B$J$<IT9,$K$J$k$+$O(BTCP/IP $B$K$D$$$F$rJY6/$7$F$/$@$5$k$+!"(BPMTU Discovery
> $B$H$$$&%-!<%o!<%I$GD4$Y$F$/$@$5$$!#(B

$B;d$b(B0,3,8,11$B$ODL$7$?J}$,$$$$$H;W$$$^$9$,!"(Bping$B$@$1$H$$$&$3$H$G(B0$B$H(B8$B$7$+=q(B
$B$$$F$^$;$s$G$7$?!#IT?F@Z$@$C$?$+$b$7$l$^$;$s!#(B

# 12$B$ODL$7$F$J$+$C$?(B...$B!#(B

 NAKANUMA Takashi <nakanuma (at) takashi.jp>


