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To: FreeBSD-net-jp@jp.freebsd.org
From: Motoyuki Konno <motoyuki@bsdclub.org>
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Date: Mon, 09 Jul 2001 23:09:58 +0900
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Subject: [FreeBSD-net-jp 3226] Re: ipfw + nat
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  $B:#Ln$G$9!#(B

Masaki Mizutani <m-saki@rr.iij4u.or.jp> wrote:
> $B$(!<$H!D!"$A$g$C$H0c$$$^$9!#(B
> 	$B!V(Bvia $B$J$s$?$i!W$C$F=q$$$F$"$C$?$i!"(Bdivert$B$H$O$$$(!"(B
> 	$B$=$3$r7PM3$9$k%Q%1%C%H$N$_$K$=$N%k!<%k$OE,MQ$5$l$k$s$8$c$J$$$+!#(B
> 	divert netd $B$,$"$k9T$N(B $B!V(Bvia ${oif}$B!W(B $B$C$F$$$&$N$O$*>~$j$+(B?
> $B$H$$$&E@!#(B
> 
> $B$=$&$G$J$/$F!"FbB&(Bif$B$+$i%Q%1%C%H$,$d$C$FMh$?;~E@$G(B ipfw $B$,(B
> 	$B$"!"$3$N%Q%1%C%H$O308~$-$M!#(B
> 	$B$C$F$3$H$O(B ${oif} $B$rDL2a$9$k$M!#(B
> $B$C$F9M$($F$/$l$F$$$k$+$i!":G=i$N9T$N!V(Bvia ${oif}$B!W$G%^%C%A$9$k(B
> $B$H$$$&$3$H$G$7$g$&$+!#(B

  [FreeBSD-net-jp 3210] $B$N(B

--------
$fwcmd add divert natd all from any to any via ${oif}
$fwcmd add pass tcp from 192.168.1.2 to any 25 in via ${iif}
$fwcmd add pass tcp from ${oip} to any 25 out via ${oif}
$fwcmd add pass tcp from any 25 to 192.168.1.2 in via ${oif} established
$fwcmd add pass tcp from any 25 to 192.168.1.2 out via ${iif} established
--------

$B$N$3$H$@$H$7$F!"$=$NDL$j$G$9!#(B

  $BFbB&$N(B iif $B$@$1$,4XM?$9$k(B packet $B$K$D$$$F$O:G=i$N9T$O%^%C%A$7(B
$B$^$;$s!#0lJ}!"30B&$N(B oif $B$rDL2a$9$k(B packet $B$N$_:G=i$N9T$,I>2A$5(B
$B$l$^$9!#(B

--
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