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From: yoshiaki@kt.rim.or.jp
Date: Thu, 04 Jan 2001 00:46:38 +0900 (JST)
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Subject: [FreeBSD-users-jp 57987] Re: IPFW or IP Filter ?
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$B$&$A$+$o$G$9!#(B

>>>>> From: Hiroo ONO ($B>.Ln42@8(B) <hiroo@oikumene.gcd.org>
>>>>> Date: Wed, 03 Jan 2001 23:09:47 +0900
 > 
 > ipnat $B$N(B manpage $B$r>/$7FI$s$G$_$?$H$3$m!"$?$^$K(B net-jp $B$"$?$j$K$G$F$/(B
 > $B$k!"J#?t$N(B interface $B7PM3$GF1$8(B network $B$K@\B3$7$F!"N><T$K(B packet $B$r?6(B
 > $B$jJ,$1$?$$$H$$$&$3$H$b$G$-$k$N$+$J$H$$$&46$8$G$7$?!#(B
 > 

$B$3$l$O(B man 5 ipnat $B$N(B LOAD-BALANCING $B$J$N$+$J(B?
$B$3$l$NOC$J$i!"(BTransparent Proxy$B$r;H$C$?>l9g!"FbIt%M%C%H%o!<%/>e$NJ#?t(B
$B$N%5!<%P$KBP$7$F30It$+$i%"%/%;%9$5$;$k>l9g$KJ#?t$N%5!<%P$r30It$+$i$_$k(B
$B$H0l$D$N30It%M%C%H%o!<%/%"%I%l%9$r;}$C$?%5!<%P$K8+$;$k$H$$$&5!G=$G$9!#(B
$B$D$^$j(B
                Internet
           ---+-------------
              |
              |203.1.2.3
            --+-
            |  | IPfilter NAT BOX
            --+-
              |192.168.0.1
     --+------+-------+-----------$BFbIt%M%C%H%o!<%/(B
       |              |
       |192.168.0.2   |192.168.0.3
     --+-           --+-
     |  |           |  |
     ----           ----
  Web Server1     Web Server2

$B$H$$$&$h$&$J9=@.$N>l9g$K!"$?$H$($P(B 203.1.2.3$B$N(Bport80$B$KBP$9$k%Q%1%C%H$O(B
$BFbIt%M%C%H%o!<%/$N(B192.168.0.2 $B$H(B192.168.0.3 $B$N(B port80$B$K%i%&%s%I%m%S%s(B
$B$G?6$jJ,$1$k!"$H$$$&$h$&$J$b$N$G$9!#(B

$BB?BPB?JQ49$N(BNAT$B$N;v$J$i(B...$B$I$&$J$s$G$7$g!#$d$C$Q$j%k!<%F%#%s%0$r(B
$B?6$jJ,$1$k$?$a$N;EAH$_$OJL$KI,MW$J$h$&$K;W$&$N$G$9$,!#(B
--
  yoshiaki@kt.rim.or.jp
 ($B$&(B)
