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Date: Thu, 19 Jul 2001 12:11:26 +0900
From: nagai <ml-nagai@hirayamakk.co.jp>
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Subject: [FreeBSD-net-jp 3236] Re: IPFW+NATD
 =?ISO-2022-JP?B?GyRCJEdGYkl0JEsbKEI=?= Firewall
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$B1J0f$G$9!#(B
$B$*$=$i$/%V%m!<%I%P%s%I%k!<%?$K(BDHCP$B%5!<%P$r$5$;$F$$$k$N$G(B
$B$3$N$h$&$J9=@.$r9M$($?$N$G$O$"$j$^$;$s$+!#(B

$B@h$K%l%9$,$"$j$^$9$,!"(B192.168.5.1$B$N(BFreeBSD$B%k!<%?$N$H$3$m$K(B
DHCP$B$r$$$l$F!"(BWIN$B$N%/%i%$%"%s%H$O!"(B192.168.5.0/24$B$G%W%i%$%Y!<%H(B
$B$,3d$j?6$i$l$k$h$&$K$9$k$N$,$$$$$N$G$O$H;W$$$^$9!#(B

$B$=$N>e$G!"(B192.168.1.0/24$B>e$K%a!<%k!&(BDNS$B!&(BPOP3$B$rF~$l$l$P(B
$B<B8=$G$-$k$N$G$O$J$$$G$7$g$&$+!#(B

>               CATV$B%M%C%H%o!<%/(B
>                 |
>                 |  211.XXX.YYY.ZZZ$B!J%0%m!<%P%k%"%I%l%9!K(B
>             +---+---+
>             |       |  $B%V%m!<%I%P%s%I%k!<%?!J"(%m!<%+%k%k!<%?!K(B
>             +---+---+
>                 |  192.168.1.1
>                 |
>         +-------+------------------------+-------- $B!A(B -------+
>         |192.168.1.20                    |192.168.1.100      |
>     +---+---+                        +---+---+           +---+---+
>     |FreeBSD| IPFW+NATD              |Win9x  |     $B!A(B    |Win2000|
>     +---+---+                        +-------+           +-------+
>         |192.168.5.1              $B"((B Win9x $B$d(B Win2000 $B$O(B DHCP$B$G(B
>         |$B!!!!!!!!!!!!!!!!!!!!!!!!!!!!(B192.168.1.100->192.168.1.150
>         |192.168.5.10$B!!!!!!!!!!!!!!!!$NHO0O$G%"%I%l%9$,3d$jEv$F$i$l$k(B
>     +---+---+
>     |FreeBSD| MAIL$B%5!<%P!J7s(BDNS+WWW+POP3$B!K(B
>     +-------+

Nagai Atsushi  nagai@hirayamakk.co.jp
