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Date: Thu, 09 Sep 1999 17:36:48 +0900
From: Yoshio Funaki <yoshio@apl.pref.akita.jp>
To: FreeBSD-users-jp@jp.freebsd.org
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Subject: [FreeBSD-users-jp 45457] [Q]  Does App.gateway type NAT exist ?
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$BA%LZ!w=)ED8)N)?^=q4[$G$9!#(J
$B$$$m$$$mD4$Y$F$_$?$N$G$9$,!"MWNN$rF@$^$;$s$N$G!"%"%I%P%$%9(J
$B$$$?$@$1$^$;$s$G$7$g$&$+!#(J
OS$B$O(JFreeBSD3.2R$B$G$9!#(J

client <--> firewall1 <---> firewall2 <--> server
$B$H$$$&(Jnetwork$B$,$"$j$^$7$F!"(Jserver$B>e$G$&$4$$$F$$$k%"%W%j$,(J
$B!V<u$1IU$1$k(JIP address$B#1$D$KBP$7$F#1$D$N%]!<%H$7$+MQ0U$7$J$$!W(J
$B$H$$$&;EMM$N$?$a!"(Jproxy$B$r;H$($:!"J#?t$N(Jclient$B$,%5!<%S%9$r<u$1$h$&$H$9$k$H(J
$B$I$&$7$F$b(JNAT$B$r;H$o$6$k$rF@$J$$$h$&$J$N$G$9$,!"(Jfirewall1,firewall2$B$H$b(J
IP forwarding$B$7$J$$$H$$$&%]%j%7!<$GF0$$$F$$$k$?$a(Jgateway_enable$B$r(JYES$B$K(J
$B$G$-$J$$$G$$$^$9!#(J
$B!t!!$I$&$7$h$&$b$J$1$l$P(JIP forwarding$B$7$^$9$,!&!&!&!&(J

$B$H$$$&$3$H$G!"<+A0$G(JIP$B$r(Jforwarding$B$7$F$/$l$k(JNAT$B5!G=$r;}$C$?(J
$B%=%U%H%&%(%"$r$4B8$8$J$$$G$7$g$&$+!)(J
$B$^$?$O!"FCDj$N%W%m%H%3%k!J%]!<%HHV9f!K$N$_$KBP1~$9$k$h$&(Jnatd$B$d(J
ip_filter$B$r@_Dj$9$k$?$a$N;qNA$d(Jweb page,$BNI=qEy$"$j$^$7$?$i(J
$B$*CN$i$;$/$@$5$$$^$;$s$G$7$g$&$+!#$h$m$7$/$*4j$$$7$^$9!#(J

$BA%LZ!!4nIW!!(Jyoshio@apl.pref.akita.jp

