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To: FreeBSD-users-jp@jp.freebsd.org, n-miwa@lac.co.jp
In-Reply-To: Your message of "Wed, 27 Nov 1996 11:04:50 +0900"
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Date: Wed, 27 Nov 1996 15:20:21 +0900
From: MOROHOSHI Akihiko <moro@race.u-tokyo.ac.jp>
Reply-To: FreeBSD-users-jp@jp.freebsd.org
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Subject: [FreeBSD-users-jp 6853] Re: IP Filter
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$B;U!y$G$9!#(B

From: Nobuo Miwa <n-miwa@lac.co.jp>
Subject: [FreeBSD-users-jp 6846] Re: IP Filter
Date: Wed, 27 Nov 1996 11:04:50 +0900

> $B;0NX!w%i%C%/$G$9!#(B
> $B;U!y$5$s!"AaB.$N%3%a%s%H$"$j$,$H$&$4$6$$$^$9!#(B
> 
> >$B$3$3$G!"8=:_%^%C%T%s%0$,9T$o$l$F$$$l$P(B ipnat -l $B$G$=$NFbMF$,=P$^$9!#(B
> >$B$"$H$O(Btcpdump$B$J$s$+$G$I$&$$$&%Q%1%C%H$,(Bgamera$B$+$i=P$F$$$/$+!"(Bkanegon$B$K(B
> >$B$O%Q%1%C%H$,FO$/!J$+$D<u$1<h$i$l$k!K$+!"$r$_$k$3$H$G$7$g$&$+!#(B
> 
> $B$b$&0lEY9=@.$r=q$-$^$9!#(B
> 
>            +---------------+
>            | FreeBSD2.1.5R |"kanegon" (192.168.1.0$B$N%M%C%H%o!<%/$OCN$i$J$$!K(B
>            +-------+-------+
>                    | 172.16.18.11/16
>        *-----------+------+------------*
>                           | 172.16.18.10/16 (ed1)
>                     +-----+---------+
>             "gamera"| FreeBSD2.1.5R | IP Filter 3.1.1
>                     +-----+---------+
>                           | 192.168.1.1/24 (ed0)
>       *----------+--------+----------------*
>                  |
>              +---+--+ 192.168.1.10/24
>              |  PC  | (Default gateway$B$O(B192.168.1.1)
>              +------+
> 
> $B#1!%(Btcpdump$B$7$?$H$3$m!"(B
>         ed0 $B$G$O!"(BPC$B$+$i(Bkanegon$B08$F$N(Btelnet$B%Q%1%C%H$O=P$F$$$k!#(B
>         ed1 $B$G$O!"(Bkanegon$B08$F$N(Btelnet$B%Q%1%C%H$O=P$F$$$J$$!#(B

$B$H$$$&$3$H$O(Bgamera$B$,(Bkanegon$B$X$N%Q%1%C%H$r$H$a$F$$$k$H8@$&$3$H$G$9$+$i!"(B

> $B#2!%(Bipf $B$N%U%#%k%?$OA4$/@_Dj$7$F$$$^$;$s!#(B

$B$3$l$O$$$$$s$G$9$,(B

> $B#3!%(Bipnat -l $B$G$O!"(B
>         map ed1 192.168.1.0/24 -> 172.16.18.10/32 portmap tcp 10000:20000
>     $B$H$J$C$F$$$^$9(B(ed1$B$r(Bed0$B$K$+$($F$_$^$7$?$,%@%a$G$7$?(B:-<$B!K!#(B
> 
> $B#4!%(Bipnat -s $B$G$O!"A4$F(B0$B$K$J$C$F$$$k!JJQ49$5$l$F$$$J$$!)!K!#(B
> 
> /etc/sysconfig$B$G$O!"(Brouter=NO $B$K$7$F$$$^$9$,!"$3$l$O$$$$$N$G$7$g$&$+!)(B 

gamera$B$+$i(Bkanegon$B$K(BNAT$B$H4X78$J$$%Q%1%C%H$,FO$1$PLdBj$J$$$O$:$G$9!#(B

$B$=$l$+$i!"(Bgamera$B$N(BIP forwarding$B$OM-8z$K$J$C$F$^$9$+!)(B
FreeBSD$B$@$H(BIP forwarding$B$,L58z$K$J$C$F$$$?$h$&$J5$$,$7$^$9!#(B
/etc/sysconfig$B$rD/$a$F$_$F$/$@$5$$!#(B

$B;U!y(B $B6GI'(B (MOROHOSHI Akihiko) $BEl5~Bg3X(B $BEE5$EE;R>pJs7O(B
 //                           E-Mail: moro@race.u-tokyo.ac.jp
                    URL: http://www.race.u-tokyo.ac.jp/~moro/
