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To: FreeBSD-users-jp@jp.freebsd.org, kgotoh@cic-kk.co.jp
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Date: Tue, 30 Oct 2001 12:07:25 +0900
From: KAGAMI Hiromichi <kagami@brains.co.jp>
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Subject: [FreeBSD-users-jp 65219] Re: FireWall
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$B6@$G$9(B.

From: Kazumasa Gotoh <kgotoh@cic-kk.co.jp>
Subject: [FreeBSD-users-jp 65203] FireWall $BMQ%^%7%s$N%=%U%H9=@.$K$D$$$F(B
Date: Mon, 29 Oct 2001 15:19:42 +0900

> VPN $B$NAj<jB&$O(B FireWall $B$H$7$F;H$C$F$$$k%^%7%s0J30$K!"(BNIC $B$r(B 2$BKg(B
> $B:9$7$F$$$k%^%7%s$K(B Vtun $B$rF~$l$FDL?.$r$7$h$&$H9M$($F$$$k$N$G$9$,!"(B
> $BAj<jB&$K$7$m$3$A$iB&$K$7$m!"(BIP Forwarding $B$O(B On $B$K$7$F!"%Q%1%C%H(B
> $B%U%#%k%?%j%s%0$GI,MW$J$b$N0J30$OC!$-Mn$H$7$F$f$/$H$$$&;v$G$h$$$N(B
> $B$G$9$h$M!)(B
> 
...
> $B$3$N$h$&$J9=@.$N>l9g$G!"FC$K5$$r$D$1$J$l$P$J$i$J$$$h$&$JE@$O(B
> $B$"$j$^$9$G$7$g$&$+!)(B

vtun $B$O%H%s%M%k%G%P%$%9(B /dev/tun? $B$r;HMQ$7$^$9$,(B,
FreeBSD $B$N%H%s%M%k%G%P%$%9$O(B,$B$d$dIT0BDj$J46$8$G$9(B.
$B%H%s%M%k$r(B,$BNc$($P(B 200 $B8D;HMQ$7$FIi2Y$r$+$1$k$H(B,
$BFCDj$N%H%s%M%k$,;HMQIT2DG=$K$J$C$?$j(B,$B:G0-(B FreeBSD $B<+BN$,(B
$B%O%s%0$9$k8=>]$r$_$?$3$H$,$"$j$^$9(B.

$B==J,$JIi2Y%F%9%H$r9T$o$l$k$N$,NI$$$H;W$$$^$9(B.
net/if_tun.c $B$O$[$H$s$IF1$8$J$s$G$9$1$I(B,
NetBSD $B$NJ}$,$$$$$+$b(B.

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