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To: FreeBSD-users-jp@jp.FreeBSD.org
From: Takahiro Nakayama <ih5t-nkym@asahi-net.or.jp>
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Date: Wed, 19 Feb 2003 15:49:39 +0900
X-Sequence: FreeBSD-users-jp 73493
Subject: [FreeBSD-users-jp 73493] Re: PPPoE
 =?ISO-2022-JP?B?GyRCJEdKIz90GyhC?= ISP
 =?ISO-2022-JP?B?GyRCJEhGMTt+QFxCMyQ5JGtKfUshGyhC?=
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$B$3$s$K$A$O!"Cf;3$G$9!#(B

$B$"$j$,$H$&$4$6$$$^$9!*!dA}ED$5$s(B
$B!!(B>$B$($C$H!"(B[FreeBSD-users-jp 66354]$B$+$i;O$^$k%9%l%C%I$N(B
$B!!(B>[FreeBSD-users-jp 66360] $B$H(B[FreeBSD-users-jp 66362]$B$"$?$j$r(B
$B$N$H$*$j@_Dj$7$?$H$3$m!"(B
Internet<->tun1 $B$b@\B3$G$-$k$h$&$K$J$j$^$7$?!#(B

$BD4@0$7$?7k2L$O0J2<$N$H$*$j$G$9!#(B

$B%k!<%F%#%s%0%F!<%V%k$OA4$/JQ99$J$7$G$9!#(B

$B!!(B$ netstat -rn -finet
$B!!(BInternet:
$B!!(BDestination      Gateway        Flags Refs   Use Netif Expire
$B!!(Bdefault          211.13.XXX.XX  UGSc    12 72076  tun0
$B!!(B127.0.0.1        127.0.0.1      UH       1   152   lo0
$B!!(B192.168.0        link#1         UC       1     0   xl0
$B!!(B203.141.ZZZ.ZZZ  61.206.ZZ.ZZ   UH       0     0  tun1
$B!!(B211.13.XXX.XX    61.213.XX.XXX  UH      12     0  tun0

$B!!"((B tun0 $B!D(B ISP-1$B$X(BPPPoE$B@\B3!#(B
$B!!!!(B tun1 $B!D(B ISP-2$B$X(BPPPoE$B@\B3!#(B
$B!!!!(B xl0  $B!D(B $B2HDmFb(BLAN$BB&(Bgw$B!#(B192.168.0.1$B!#(B

ipfw $B$K$O!"$*65$(D:$$$?(B
$B!!(Bipfw add fwd $B!D(B
$B$rDI2C$7$F$$$^$9!#(B
$B!!(B# ipfw list
$B!!(B00100 allow ip from any to any via lo0
$B!!(B00200 deny ip from any to 127.0.0.0/8
$B!!(B00300 deny ip from 127.0.0.0/8 to any
$B!!(B00400 fwd 203.141.ZZZ.ZZZ ip from 61.206.ZZ.ZZ to not 61.213.XX.XXX out
$B!!(B00500 divert 8668 ip from any to any via tun0
$B!!(B00600 divert 8669 ip from any to any via tun1
$B!!(B00700 allow ip from any to any
$B!!(B65535 deny ip from any to any
$B!V(Bto not 61.213.XX.XXX$B!W$rF~$l$F$$$k$N$O!"(B
$B<+?H"*(B61.213.XX.XXX $B$X$N(BTCP$B@\B3$b(B 203.141.ZZZ.ZZZ $B$X(Bfwd$B$5$l$F(B
$B$7$^$C$F$$$?$h$&$@$C$?$?$a$G$9!#$3$NB>$K$bDI2C$N2sHr@_Dj$,(B
$BI,MW$+$b$7$l$^$;$s$,!"$H$j$"$($:8=>u$O$3$l$G$&$^$/F0:n$7$F$$$^$9!#(B
$B@nC<!w(BJIPPG $B$5$s$N%Z!<%8(B http://www2.kk-net.com/~kouji/unix/ $B$b;29M$K(B
$B$5$;$F$$$?$@$-$^$7$?!#(B

$B2C$($F!"%+!<%M%k$K(B
$B!!(Boptions IPFIREWALL_FORWARD
$B$rF~$l$F$$$J$+$C$?$N$G!"DI2C$7$F:F%3%s%Q%$%k$7$^$7$?!#(B

freebsd-users-jp$B$rC5$7B-$j$J$+$C$?$h$&$G!"<:Ni$7$^$7$?!#(B
ipfw $B$O(B allow, deny, divert $BDxEY$7$+;H$C$?$3$H$,$J$/(B
$B$?$$$X$sJY6/$K$J$j$^$7$?!#(Bman ipfw $B$r$8$C$/$jFI$s$G$_$^$9!#!#(B
$B$^$?(B
$B!!(B>> $B!!#3!%EvA3!"Aw?.85$G$O!"$=$N(BACK$B%Q%1%C%H$OL5;k(B(?)$B!#(B
$B$G$J$J$/!"(BIP$B%Q%1%C%H$N(BSourceIP$B$,!"$=$N%W%m%P%$%@=jB0$N(BIP$B$G$J$$$?$a$K(B
$BGK4~$5$l$F$$$k$N$G$O!"$H$$$&$4;XE&$b$"$j$,$H$&$4$6$$$^$7$?!#!dCgB<$5$s(B


$B$I$&$b$"$j$,$H$&$4$6$$$^$7$?!#(B



At 19:22 03/02/18 +0900, MASUDA,Masahi wrote:
>$BA}ED(B%$B:#F|$N(BProject X $B$r8+F($5$J$$$h$&$K$7$J$1$l$P(B@$B<+Bp$G$9!#(B

>Takahiro Nakayama wrote:

>>       +-----------+
>>       | Internet  |
>>       +-----------+
>>          |     |
>>     [ISP-1]   [ISP-2]
>>        |         |     $B"+(BPPPoE$B$rF1;~$K(B2$B%;%C%7%g%sD%$k(B
>>     +---------------+
>>     |  B$B%U%l%C%DLV(B  |
>>     +---------------+
>>             |
>>       +------------+
>>       | $B<+Bp%^%7%s(B |
>>       |(FreeBSD4.4)|
>>       +------------+
>>             |
>>        [$B2HDmFb(BLAN]

>> $B$3$3$G!"Nc$($P(Bssh$B$d(Bhttp$B$J$I(B
>> $B!!(BInternet $B"*(B [ISP-1]$BB&(BIP(=61.213.XX.XXX=tun0)$B$X$N(BTCP$B@\B3(B
>> $B$OA4$/LdBj$J$$$N$G$9$,!"(B
>> $B!!(BInternet $B"*(B [ISP-2]$BB&(BIP(=61.206.ZZ.ZZ=tun1)$B$X$N(BTCP$B@\B3(B
>> $B$r9T$*$&$H$9$k$H!"(B
>> $B$I$&$b(Btcpdump$B$GD/$a$F$$$k$H(B
>> 
>> $B!!#1!%(BSYN$B%Q%1%C%H$O!"L5;v(B tun1 $B$XFO$$$F$$$k!#(B
>> $B!!#2!%$,!"$=$N(BACK$B%Q%1%C%H$,!"(B
>> $B!!!!!!%G%U%)%k%H%2!<%H%&%'%$$G$"$k(B tun0 $B$+$iAw?.85$XJV$5$l$k!#(B
>> $B!!#3!%EvA3!"Aw?.85$G$O!"$=$N(BACK$B%Q%1%C%H$OL5;k(B(?)$B!#(B
>> $B!!#4!%(BTCP$B%;%C%7%g%s3NN($;$:!D(B

>$B$($C$H!"(B[FreeBSD-users-jp 66354]$B$+$i;O$^$k%9%l%C%I$N(B
>[FreeBSD-users-jp 66360] $B$H(B[FreeBSD-users-jp 66362]$B$"$?$j$r(B
>$B8fMw2<$5$$!#(B



