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Date: Tue, 27 Mar 2001 01:16:05 +0900 (JST)
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From: "HASEGAWA, Minoru" <smile@mh.club.ne.jp>
To: FreeBSD-net-jp@jp.freebsd.org
In-Reply-To: <20010326210816.0F72.MARINA@yaya.forks.co.jp>
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Subject: [FreeBSD-net-jp 3035] Re: about a PPPoE(ADSL)+nat problem
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$B$O$;$,$o!w@$EDC+$G$9!#(B

$B!t(B $B$"$^$j$*NO$K$J$l$=$&$b$J$/$F$9$$$^$;$s!#(B

>>>> At Mon, 26 Mar 2001 21:47:41 +0900
>>>> Masanori Takeishi <marina@yaya.forks.co.jp> said:
|$B<+Bp$r%U%l%C%D!&(BISDN$B$+$i%U%l%C%D!&(BADSL$B$KJQ99$7$F$^$+$i0l7n0J>e7P2a$7!"(B
|$BLdBjL5$/;H$($F$$$k$H;W$C$F$$$?$N$G$9$,!"(Bnat$B7PM3$G%"%/%;%9$9$k$H8+$l$J$$(B
|$B%5%$%H$,4v$D$+B8:_$9$k;v$K5$$,IU$-$^$7$?!#(BISDN$B$N;~$O8+$($F$$$?$H;W$$$^$9(B
$B;d$O(B2$B=54VA0$+$iF1$8F;$rC)$j$^$7$?!#(B
$B$G!"(BFreeBSD4.3-BETA+PPPoE(nat)+IPFilter $B$7$F$^$9$,!"A4A3LdBj$J$$$G$9!#(B
$B$A$J$_$K(B member.nifty.ne.jp $B$X%"%/%;%9$7$F$_$^$7$?$,!"(B
$BL^O@!"LdBj$J$/8+$l$^$7$?!#(B

w2k --> PPPoE(nat)+IPFilter --> Internet(NTT+ISP) --> member.nifty.ne.jp
$B$H$$$&$+$s$8$G$9$M!#(B

---->---- snip ---->----
|$B$3$3$GBg$-$J0c$$$K5$$,IU$-$^$7$?!#(B
|$B<+Bp$N(Btcpdump$B$O%/%i%$%"%s%H%^%7%s$N(BIP$B$J$N$K(B
|$B2q<R$G$N(Btcpdump$B$O%0%m!<%P%k(BIP$B$G$9!#(B
$B$3$l$J$s$G$9$,!";d$N$H$3$m$G$O(B ISP $B$,$U$C$F$/$l$?%0%m!<%P%k$,(B
$B=P$^$9$M!&!&!&$=$A$i$G$N(B Squid $B7PM3$HF1$8$/!#(B

|ADSL$B0J30$N(Btun0$B$N(Btcpdump$B$,<h$l$J$$$N$G!"Hf3S$G$-$J$$$N$G$9$,!"$=$NJU$j$,(B
|$BLdBj$J$N$G$7$g$&$+!)(B
$B4X78$J$$$H;W$$$^$9$,!&!&!&(B

|$B<+Bp$r(BIPFilter+natd(dc0 - tun0)$B$K$9$l$P2r7h$9$k$N$+$b$7$l$^$;$s$,(B
|ppp$B$G=PMh$J$$$b$N$+$H!&!&!&!&(B
$B$($H!"(Bnatd $B$O(B IPFW $B$J$s$G(B IPFilter $B$OJL$K(B nat $B$7$J$/$F$bNI$$$N$G$O!)(B
$B!t(B $B$o$?$7$b(B nat $B$O(B ppp $B$G$9!&!&!&$D!<$+!"(BIPCP $B$G(B IPFilter $B$N(B nat $B$r(B
$B!t(B $B$I$&@_Dj$9$l$P;H$($k$N$+$o$+$i$s!#(B

|$BD9J8?=$7Lu$"$j$^$;$s$,!"$*CN7C$r!&!&!&(B
$B$D!<$o$1$G!"%/%i%$%"%s%H$H$H$b$K(B DNS $B$N%j%>%k%P$"$?$j$r5?$C$F$_$F$O(B
$B$$$+$,$G$7$g$&!#(B
$B!t(B ppp.conf $B$r8+$;$F$/$l$k$H$+!&!&!&(B
--
HASEGAWA Minoru <smile@mh.club.ne.jp>
Nifty-Serve: BYM01740

