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Date: Mon, 29 Oct 2001 16:22:13 +0900
From: Nao KAJITA <kajita@career-link.co.jp>
To: FreeBSD-users-jp@jp.freebsd.org
Organization: Career-link,co.LTD
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Subject: [FreeBSD-users-jp 65204] Re: FireWall
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$B3aED$G$9!#(B

> $B8eF#$H?=$7$^$9!#(B

$B$3$s$K$A$O!#(B

> $B:#EY!"$"$k%5%$%H$N(B FireWall $BMQ%^%7%s$r(B FreeBSD 4.3R $B$G@_Dj$9$k;v$K(B
> $B$J$C$?$N$G$9$,!"$=$NMW7o$O0J2<$NMM$J$b$N$H$J$C$F$$$^$9!#(B
snip
> VPN $B$K$D$$$F$OAj<j$K$b(B FreeBSD $B%^%7%s$,$"$k$N$G(B Vtun $B$r;H$&M=Dj$G(B
> $B$$$k$N$G$9$,!"%Q%1%C%H%U%#%k%?%j%s%0$H(B IP $B%^%9%+%l!<%I$J$I$K$D$$$F$O(B
> ipfw $B$H(B natd $B$NJ;MQ$K$J$k$N$G$7$g$&$+!)(B

$B$,BEEv$@$H;W$$$^$9!#(B
$B3NG'$G$9$,!"$3$N(BFW$B%^%7%s$,(Bvtun$B$G(BVPN$B%5!<%S%9$r$9$k$N$G$9$h$M!)(B
$B$G$"$l$P!"(Bipfw$B$G(Bvtun$B$,MxMQ$9$k(Bport$B$r$"$1$F$*$-!"FbB&%5%$%H$O(B
FW$B%^%7%s$r(BGateWay$B$K$7$F%k!<%H@_Dj$7$F$*$1$P$"$H$O(BRoutingTable$B$K(B
$B$7$?$,$C$F1s3VCO$HDL?.$G$-$^$9!#(B
 
> $B$3$l$^$G(B FreeBSD $B$G(B FireWall $B9=@.$rAH$`$H$-$K$O(B FWTK $B$P$+$j$G(B
> $B$d$C$F$-$?$N$G!"2?$+4*0c$$$7$F$$$k$h$&$J5$$,$7$F$J$j$^$;$s!#(B(^^;

$B4pK\E*$K$O$*$s$J$8$G$O!)(B

> VPN $B$NAj<jB&$O(B FireWall $B$H$7$F;H$C$F$$$k%^%7%s0J30$K!"(BNIC $B$r(B 2$BKg(B
> $B:9$7$F$$$k%^%7%s$K(B Vtun $B$rF~$l$FDL?.$r$7$h$&$H9M$($F$$$k$N$G$9$,!"(B
> $BAj<jB&$K$7$m$3$A$iB&$K$7$m!"(BIP Forwarding $B$O(B On $B$K$7$F!"%Q%1%C%H(B
> $B%U%#%k%?%j%s%0$GI,MW$J$b$N0J30$OC!$-Mn$H$7$F$f$/$H$$$&;v$G$h$$$N(B
> $B$G$9$h$M!)(B

$B$=$&$G$9!#(B

> $BAj<jB&$b(B VPN $B@lMQ5!$G$O$J$/$F(B Web $B%5!<%P5!G=$b;}$?$;$J$$$H$$$1$J$$(B
> $B$?$a!"JQ$J$3$H$r$7$F$@$@$b$l$K$J$C$F$O:$$k$N$G5$$K$7$F$$$^$9!#(B

$B$3$l$b(BIPFW$B$G@_Dj$7$F$d$l$PLdBj$J$$$H;W$$$^$9!#(B
$BEvJ}!"F1Ey$N9=@.$G$*$s$J$8$3$H$r$7$F$$$^$9!#(B

$B$+$8$?(B
