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Date: Thu, 15 Apr 1999 21:57:00 +0900
From: Saotome Shigeki <saotome@tdc.co.jp>
To: FreeBSD-net-jp@jp.freebsd.org
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$B$3$s$K$A$O!"8^7n=w!w#T#D#C$G$9!#(B

$B$A$g$C$H(BFreeBSD$B8GM-$NOC$+$i$=$l$F$7$^$C$F$$$^$9$,!"$A$g$C$H%"%I%P%$%9(B
$B$r$$$?$@$1$J$$$G$7$g$&$+!)(B

$B8=:_!"0J2<$N$h$&$J%M%C%H%o!<%/9=@.$K$J$C$F$$$^$9!#(B
DMZ$B$K$O!"(BDNS,WWW,mail1$B$,$"$j$^$9!#(B

                         111.222.33.192/26
                        | 
                        |
                    +---+---+
                    |Router |
                    +---+---+
                        |111.222.33.254
111.222.33.4            |
  +-----+               |
  |mail1|               |
  +--+--+               |111.222.333.193
DMZ  |               +--+--+
-----+---------------+ F/W |Firewall-1
111.222.33.0/26      +--+--+
                        |192.168.1.2
                        |
192.168.1.2             |
(NAT:111.222.33.69)     |
  +-----+               |
  |mail2|               |
  +--+--+               |
     |                  |
-----+------------------+-------------192.168.1.0/24


$B8=:_$O!"(Bmail1 $B$+$i(B mail2 $B$X$N%a!<%k$NG[Aw$K!"(BFirewall$B$G(BNAT$B$r$5$;$F(B
mail2 $B$K%0%m!<%P%k%"%I%l%9$r3d$jEv$F$F$$$k$h$&$K8+$;$F(B mail1 $B$+$i(B
sendmail$B$G(Bmail2$B$XG[Aw$7$F$$$^$9!#(B

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$B2?$i$+$NJ}K!$G<h$j=P$9$J$I$NJ}K!$O$J$$$G$7$g$&$+!)(B
$B!J(BDMZ$B$+$iB>$X$N$rDL?.$5$;$?$/$J$$!K(B

$B$^$?!"B>$K2?$+$$$$J}K!$O$J$$$G$7$g$&$+!)(B

$B$3$N$h$&$J9=@.$N>l9g!"(BFirewall$B>e$K%W%i%$%Y!<%H%M%C%H%o!<%/$+$i(B 
DMZ $B$N(B mail1 $B$X$N(B POP $B$rDL$9@_Dj$r$9$k$3$H$,B?$$$h$&$G$9$,!"(B
$B%a!<%k$O(B mail2 $B$XE>Aw$5$;$?$$$N$G$9!#(B

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$B9=@.$G$I$s$JJ}K!$,9M$($i$l$k$+!)$r$$$m$$$m8!F$$7$F$$$k$H$3$m$G$9$,(B
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$B%"%I%P%$%9$r$*4j$$$7$^$9!#(B




_______________________________________________________________
 $B"#(B $B#T#D#C%=%U%H%&%(%"%(%s%8%K%"%j%s%03t<02q<R(B
    $BJ#9g%7%9%F%`It!!%M%C%H%o!<%/%5!<%S%9C4Ev(B

                                  $B8^7n=w(B $BLP<y!!(BSaotome Shigeki
                                      Mail : saotome@tdc.co.jp


