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Date: Thu, 09 Nov 2000 14:35:20 +0900
Message-ID: <ybshf5hzp0n.wl@ett.sat.t.u-tokyo.ac.jp>
From: Hidetoshi Shimokawa <simokawa@sat.t.u-tokyo.ac.jp>
To: FreeBSD-net-jp@jp.freebsd.org
In-Reply-To: In your message of "Thu, 09 Nov 2000 02:41:43 +0900"
	<3A099057148.B0F0MUL@smtp.lares.dti.ne.jp>
References: <3A099057148.B0F0MUL@smtp.lares.dti.ne.jp>
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At Thu, 09 Nov 2000 02:41:43 +0900,
Kuwana Yuji <mul@lares.dti.ne.jp> wrote:
> 
> $B$O$8$a$^$7$F!"$$$D$b$*@$OC$K$J$C$F$*$j$^$9!#(B
> 
> $B:#$^$G!"@lMQ@~!J#1#2#8#k#b#p#s!K$G(BDNS,HTTP,$B%a!<%k%5!<%PEy$r(B
> $B1?MQ$7$F$$$^$7$?$,!"%V%i%&%8%s%0$K$OCY$$$N$G#D#S#L(B
> $B!J#1!%#6#M#b#p#s!K$r7@Ls$7$h$&$+$H9M$($F$$$^$9!#(B
> $B%M%C%H%o!<%/9=@.$r(B
> 
> Internet-+-$B@lMQ@~(B--[ISDN$B%k!<%?(B]-+-[FreeBSD4.0]-+-[Client1]
>          +--DSL----[DSL$B%k!<%?(B ]-+              +-[Client2]
> 
> $B$H$7$?$$$N$G$9!#(B
> [ISDN$B%k!<%?(B]$B$O8GDj%0%m!<%P%k(BIP$B!"(B[DSL$B%k!<%?(B]$B$O%W%i%$%Y!<%H#I#P(B
> [FreeBSD4.0]$B$O%N!<%H#P#C$G#N#I#C$O#2Kg$G8GDj%0%m!<%P%k#I#P$H(B
> $B8GDj%W%i%$%Y!<%H#I#P$G(Bip-filter($B$H(Bipnat$B!K$rF0$+$7$F$$$^$9!#(B
> $B$3$3$X!"(BNAT$B$rFbB"$78GDj%W%i%$%Y!<%H#I#P$r3d$jEv$F$?(B[DSL$B%k!<%?(B]
> $B$rDI2C$7$F(Bhttp$B$H(B ftp$B$N$_(B [DSL$B%k!<%?(B]$B7PM3$G%$%s%?!<%M%C%H$H(B
> $B@\B3$7$?$$$N$G$9!#(B
> 
> [FreeBSD4.0]$B$N8GDj%0%m!<%P%k#I#P$r3d$jEv$F$?#N#I#C$H(B[DSL$B%k!<%?(B]
> $B$r@\B3$7!"(Bhttp$B$H(Bftp$B$N$_(B[DSL$B%k!<%?(B]$B$X%k!<%F%#%s%0$9$k$K$O!"$I$N(B
> $B$h$&$K$9$l$P$h$$$N$G$7$g$&$+!)(B

$B=P$F$$$/(B, packet $B$K$D$$$F(B, source address, next-hop $B$r=q$-BX$($k(B
$BI,MW$,$"$k$H;W$$$^$9(B.

natd $B$r(B 2$B$DF0$+$7$F(B, ipfw fwd $B$H$+$r6n;H$9$l$P(B, ($B4JC1$G$O$J$$$G$7$g$&(B
$B$,(B)$B$G$-$k$H;W$$$^$9(B.

/\ Hidetoshi Shimokawa
\/  simokawa@sat.t.u-tokyo.ac.jp
PGP public key: finger -l simokawa@sat.t.u-tokyo.ac.jp



