[Q] 2つのネットワークを繋ぐ

[takahide nojima]

nojima$B$G$9!#(B

ClientA-+ +-ClientD
ClientB-+-->LinuxA<-...->LinuxB<--+-ClientE
ClientC-+ +-ClientF
(NetworkA) (NetworkB)

$B>e$N$h$&$J%M%C%H%o!<%/$,$"$j$^$9!#$3$3$G!"(B

[1] NetworkB$B$N(BTCP$B$N%Q%1%C%H$r(BLinuxB$B$,$9$Y$F<u$1$H$j!"(BLinuxA$B$K(B
$B2?$i$+$NJL$N%W%m%H%3%k$GE>Aw$7$F(BNetworkA$B$GE83+$9$k!"$^$?!"(B

[2] NetworkA$B$N(BTCP$B$N%Q%1%C%H$r(BLinuxA$B$,$9$Y$F<u$1$H$j!"(BLinuxB$B$K(B
$BJL$N%W%m%H%3%k$GE>Aw$7$F(BNetworkB$B$GE83+$9$k!"(B

$B$3$H$r$7$?$/;W$$$^$9!#$3$3$G@)8B$H$7$F!"(BLinuxA$B$H(BLinuxB$B$O%T%"$K$D$J$,$C$F$$$k(B
$B!J$D$^$j!"(BLinuxA$B$H(BLinuxB$B$OD>@\(Btcp$BDL?.$G$-$k$,!"(BNeworkA$B$H(BNetworkB$B$O(B
LinuxA$B$H(BLinuxB$B4V$N7PO)$NLdBj$G%k!<%F%#%s%0=PMh$J$$!K$h$&$J4D6-$H$7$^$9!#(B

[1],[2]$B$rK~$?$90Y$N(BLinuxA$B$H(BLinuxB$B>e$GF0$+$9%=%U%H%&%'%"$H(BLinuxA$B$H(BLinuxB$B$N(B
$***@_Dj$O2?$,9M$($i$l$k$G$7$g$&$+!)(B

$B<+J,$G;W$$$D$/$N$O!"(B LinuxA$B$H(BLinuxB$B>e$G(Btcp$B7PM3$N(BPPP$B$rF0$+$9!)$0$i$$$G$9$,!"(B
$B:G6a$N(BPPP$B<BAu$C$F(Btcp$B>e$GF0$+$9$h$&$K$O=PMh$F$$$J$$$h$&$J(B...

[Shinji KONO]

Post by takahide nojima
[1],[2]$B$rK~$?$90Y$N(BLinuxA$B$H(BLinuxB$B>e$GF0$+$9%=%U%H%&%'%"$H(BLinuxA$B$H(BLinuxB$B$N(B

delegate $B$C$F$$$&<j$b$"$k$H;W$&$1$I!#$"$k$$$O!"(Bsocks $B$H$+!#(B

network B $B$K%"%/%;%9$9$k$N$K!"(Bnetwork A $B$N(Bdelegate server $B$K(B
$B$D$J$2$k$,!"(Bnetwork B $B$+$i!"(Bnetwork A $B$K%"%/%;%9$9$kFC<l$J%"(B
$B%W%j%1!<%7%g%s$K$9$k$+$C$F$J46$8$G$9$M!#MQES$K$h$j$^$9!#(B

Post by takahide nojima
LinuxA$B$H(BLinuxB$B4V$N7PO)$NLdBj$G%k!<%F%#%s%0=PMh$J$$!K$h$&$J4D6-$H$7$^$9!#(B

$B$b$A$m$s!"%k!<%F%#%s%0$9$k$3$H<+BN$OMF0W$G$9$h$M!#(BNAT / Masqarade
$B$C$F<j$b$"$j$^$9$h$M!#N>J}$,(Bprivate address $B$G$^$:$$$C$F$JOC(B
$B$J$N$+$J!#(B

Post by takahide nojima
$B<+J,$G;W$$$D$/$N$O!"(B LinuxA$B$H(BLinuxB$B>e$G(Btcp$B7PM3$N(BPPP$B$rF0$+$9!)$0$i$$$G$9$,!"(B
$B:G6a$N(BPPP$B<BAu$C$F(Btcp$B>e$GF0$+$9$h$&$K$O=PMh$F$$$J$$$h$&$J(B...

PPTP $B$C$F$N$,$"$j$^$9!#(BPPP $B$O!"(BSerial port $B>e$G$J$/$F$b!"G$(B
$B0U$N(Bstream$B$KBP$7$F3+$1$k$H;W$C$?!#(BHTTP Tunnel $B$J$s$F$$$&<j$b(B
$B$"$j$^$9$h$M!#(B

$B$=$&$9$k$H!"(Bnetwork B $B$NCf$K!"(Bnetwork A $B$K$D$J$,$C$?(Bhost $B$,(B
$B=P8=$9$k$_$?$$$J46$8$K$J$j$^$9$M!#(B

---
Shinji KONO @ Information Engineering, University of the Ryukyus
$B2OLn??<#(B @ $BN05eBg3X9)3XIt>pJs9)3X2J(B

[takahide nojima]

nojima$B$G$9!#(B

$B$5$C$=$/$N$42sEz$"$j$,$H$&$4$6$$$^$9!#(B

Post by Shinji KONO

Post by takahide nojima
[1],[2]$B$rK~$?$90Y$N(BLinuxA$B$H(BLinuxB$B>e$GF0$+$9%=%U%H%&%'%"$H(BLinuxA$B$H(BLinuxB$B$N(B

delegate $B$C$F$$$&<j$b$"$k$H;W$&$1$I!#$"$k$$$O!"(Bsocks $B$H$+!#(B

$B$9$_$^$;$s!"(BClientA$B!A(BF$B$O(Bsocks$BL$BP1~$N(BTCP$B%"%W%j%1!<%7%g%s$H$7$^$9!#(Bsocks
$B;H$&;~$O(BClientA$B!A(BF$B$,(Bsocks$BBP1~$G$J$$$H$$$1$J$$$s$G$9$h$M!)(B

$B$^$?!"(Bdelegate$B$b9M$($?$N$G$9$,!"$[$\G$0U$N(BTCP$B$rD>@\(Bdelegated$B%W%m%H%3%k$KJQ49(B
$B$9$k$d$jJ}$,;W$$$D$-$^$;$s$G$7$?!#$J$K$+NI$$J}K!$,$"$j$^$9$G$7$g$&$+!)(B

Post by Shinji KONO
$B$b$A$m$s!"%k!<%F%#%s%0$9$k$3$H<+BN$OMF0W$G$9$h$M!#(BNAT / Masqarade
$B$C$F<j$b$"$j$^$9$h$M!#N>J}$,(Bprivate address $B$G$^$:$$$C$F$JOC(B
$B$J$N$+$J!#(B

$B$$$(!"(BLinuxA$B$H(BLinuxB$B$N4V$,$$$m$$$m$JLV$r7PM3$7$F$*$j!"$=$3$N%]%j%7!<(B
$B$G!"(BLinuxA$B$H(BLinuxB$B$,%T%"$K$7$+$D$J$,$i$J$$$N$G$9!#$b$A$m$s$G$9$,!"(B

Post by Shinji KONO

Post by takahide nojima
$B<+J,$G;W$$$D$/$N$O!"(B LinuxA$B$H(BLinuxB$B>e$G(Btcp$B7PM3$N(BPPP$B$rF0$+$9!)$0$i$$$G$9$,!"(B
$B:G6a$N(BPPP$B<BAu$C$F(Btcp$B>e$GF0$+$9$h$&$K$O=PMh$F$$$J$$$h$&$J(B...

PPTP $B$C$F$N$,$"$j$^$9!#(BPPP $B$O!"(BSerial port $B>e$G$J$/$F$b!"G$(B
$B0U$N(Bstream$B$KBP$7$F3+$1$k$H;W$C$?!#(BHTTP Tunnel $B$J$s$F$$$&<j$b(B
$B$"$j$^$9$h$M!#(B
$B$=$&$9$k$H!"(Bnetwork B $B$NCf$K!"(Bnetwork A $B$K$D$J$,$C$?(Bhost $B$,(B
$B=P8=$9$k$_$?$$$J46$8$K$J$j$^$9$M!#(B

$B$3$l$,=PMh$l$P$b$&:G9b$J$N$G$9$,!"(B

$B!&(BPPTP$B$O(BGRE$B$H$$$&FqJ*%W%m%H%3%k$,;H$o$l!J(BLinuxA$B$H(BLinuxB$B$N4V$O(B
TCP$B$7$+DL$i$J$$$N$G$9!K!"(B

$B!&(BPPP$B$r(BTCP$B%9%H%j!<%`$G;H$&$K$O5?;wC<Kv7PM3$N;H$$J}$0$i$$$7$+;W$$$D$+$:(B
$B!J$G!"$3$N5?;wC<Kv$***@ZBX$($,Lq2p!K(B

$B$G!"$I$&$K$bH/A[$,5M$^$C$F$7$^$C$F$$$^$9!#(B

HTTP Tunnel$B$O=i$a$FCN$j$^$7$?!#(BSoftEther$B$_$?$$$JJ*$G$7$g$&$+!)(B

[Shinji KONO]

Post by takahide nojima
$B$$$(!"(BLinuxA$B$H(BLinuxB$B$N4V$,$$$m$$$m$JLV$r7PM3$7$F$*$j!"$=$3$N%]%j%7!<(B
$B$G!"(BLinuxA$B$H(BLinuxB$B$,%T%"$K$7$+$D$J$,$i$J$$$N$G$9!#$b$A$m$s$G$9$,!"(B

($B$G$b$5$!(B.... $B$C$F$3$H$O!"$"$k0UL#$G$O!"$=$N%]%j%7!<$rGK$m$&$C$F(B...)

Post by takahide nojima

Post by Shinji KONO
$B$=$&$9$k$H!"(Bnetwork B $B$NCf$K!"(Bnetwork A $B$K$D$J$,$C$?(Bhost $B$,(B
$B=P8=$9$k$_$?$$$J46$8$K$J$j$^$9$M!#(B

$B$3$l$,=PMh$l$P$b$&:G9b$J$N$G$9$,!"(B

$B$=$l$,!"(BTunnelling $B$C$F$$$&5;=Q$J$o$1$G$9$h$M!#(BHTTP tunnel

Post by takahide nojima
$B!&(BPPP$B$r(BTCP$B%9%H%j!<%`$G;H$&$K$O5?;wC<Kv7PM3$N;H$$J}$0$i$$$7$+;W$$$D$+$:(B

$B$^$!!"$=$&$+$b!#$G$b!"(BOS $B$G$OIaDL$J5;=Q$@$7!A(B

---
Shinji KONO @ Information Engineering, University of the Ryukyus
$B2OLn??<#(B @ $BN05eBg3X9)3XIt>pJs9)3X2J(B

[takahide nojima]

nojima$B$G$9!#(B

Post by Shinji KONO

Post by takahide nojima
$B$$$(!"(BLinuxA$B$H(BLinuxB$B$N4V$,$$$m$$$m$JLV$r7PM3$7$F$*$j!"$=$3$N%]%j%7!<(B
$B$G!"(BLinuxA$B$H(BLinuxB$B$,%T%"$K$7$+$D$J$,$i$J$$$N$G$9!#$b$A$m$s$G$9$,!"(B

($B$G$b$5$!(B.... $B$C$F$3$H$O!"$"$k0UL#$G$O!"$=$N%]%j%7!<$rGK$m$&$C$F(B...)

^^;LinuxA<-...->LinuxB$B$N4V$O$H$"$kEEOC2q<R$N%5!<%S%9$d$i2?$d$i$,$"$C$F!"(B
$B$5$i$K$=$***@h$K<+J,C#$,D>@\%3%s%H%m!<%k=PMh$J$$(B/$B$H$F$b$7$:$i$$6H<T$,$o$s$5$+(B...

#$B%;%-%j%e%F%#%]%j%7!<>e$OLdBj$J$$$3$H$O$9$Y$FN;>5F@$F$?$j$7$F$k$N$G(B
#$B$3$A$i$OLdBj$J$7!#@UG$J,2rE@$J$I$N4X78$G$[$\A4$F$N6H<T$N%i%$%s$O(B
#$B!V2?DL$7$F$b$$$$$G$9$h$s!W$H$N$3$H!#(B

Post by Shinji KONO

Post by takahide nojima

Post by Shinji KONO
$B$=$&$9$k$H!"(Bnetwork B $B$NCf$K!"(Bnetwork A $B$K$D$J$,$C$?(Bhost $B$,(B
$B=P8=$9$k$_$?$$$J46$8$K$J$j$^$9$M!#(B

$B$3$l$,=PMh$l$P$b$&:G9b$J$N$G$9$,!"(B

$B$=$l$,!"(BTunnelling $B$C$F$$$&5;=Q$J$o$1$G$9$h$M!#(BHTTP tunnel

$BN;2r$G$9!#(B
$B$&!<$s!"<+J,$,%R%s%H$G$bM_$7$$$J$H;W$&$N$O!"(BLinux A$B$H(BLinuxB$B$K(BClientA-F$B$N(B
$B%Q%1%C%H$r$I$&$d$C$F=8Ls$9$l$PNI$$$+$,CN$j$?$$$@$1$G$9!#:Y$+$$@_Dj$O$3$A$i$G(B
$BD4$Y$FE,Ev$K=PMh$^$9!#(B

$BB?$/$N(Bproxy$B$G$O(B

$B!&(BClient$B$,(BLinux A/LinuxB$B$N(Bproxy$B$K@\B3$7$F$5$i$K<jF0$GHt$***@h$r;XDj$+!"(B
$B!&(BLinux A/LinuxB$B$NJ#?t$N%]!<%H$K(BClientA-F$B$r3F!9$o$j$"$F$k$+!"(B

$B$0$i$$$7$+$J$$$H;W$C$F$k$N$G$9$,!":G6a$O$b$C$HNI$$J}K!$,$"$k$N$G$7$g$&$+!)(B

$B0lHVNI$$$N$O(BLinuxA/LinuxB$B$,%k!<%?$N$h$&$J4i$r$7$F<B$OJL$N%W%m%H%3%k$K=8Ls(B
$B$7!"%T%"$G7R$$$G$/$l$k$3$H$,$h$$$J$H;W$C$F$^$9!#$G$b$=$&$9$k$K$O(B
iptable$B$H$+;H$&$J$i2?$N5!G=$K$J$k$N$+8=:_$o$+$C$F$J$+$C$?$j$7$F$^$9!#(B

Post by Shinji KONO

Post by takahide nojima
$B!&(BPPP$B$r(BTCP$B%9%H%j!<%`$G;H$&$K$O5?;wC<Kv7PM3$N;H$$J}$0$i$$$7$+;W$$$D$+$:(B

$B$&!<$s!"$o$6$o$65?;wC<Kv7PM3$8$c$J$/$F!"$b$H$+$i(Btcp$B$N%9%H%j!<%`BP1~$K(B
$B$J$C$F$?$i$$$$$J!<$H!#(B

$B!***@N!"(BPPP$B$G$=$&$$$&<BAu$,0l;~$"$C$?$h$&$J(B...$B$G$b:#8+Ev$?$i$J$$$h$&$J(B...

[Eiji KATSURA]

Post by takahide nojima
$B$9$k$d$jJ}$,;W$$$D$-$^$;$s$G$7$?!#$J$K$+NI$$J}K!$,$"$j$^$9$G$7$g$&$+!)(B

vtun $B$J$s$+$I$&$@$m$&!)!!MW5a$K9g$o$J$$$+$J!#(B
$B!!(Bhttp://vtun.sourceforge.net/

$B7K(B $B1Q<#!w(B($B3t(B)$B2#IM%$%s%F%j%8%'%s%9(B ( ***@hamaint.co.jp )

[Yasushi Shinjo]

$B?7>k!wC^GHBg3X>pJs$G$9!#$3$s$K$A$O!#(B

Post by takahide nojima
$B<+J,$G;W$$$D$/$N$O!"(B LinuxA$B$H(BLinuxB$B>e$G(Btcp$B7PM3$N(BPPP$B$rF0$+$9!)$0$i$$$G$9$,!"(B

PPP over SSH $B$H$$$&$N$,IaDL$+$J$"!#@8$G(B PPP/TCP $B$H$$$&$h$j$O!#(B

$B$3$s$J%Z!<%8$r8+$D$1$^$7$?!#$h$/$^$H$^$C$F$$$^$9!#(B

VPN$B5;=Q$K$D$$$F(B by $B>.K\(B $B??9-(B <m.komoto at nifty.ne.jp>
http://www.komoto.org/vpn/index.html
------------------------------------------------------------
* VPN$B$NHf3S(B
* VPN$BBP1~(B $BDc2A3J%k!<%?!<(B
* $B@\B3%F%9%H(B: BSR14$B$H(BBEFSR41C-JP / BSR14$B$H(BMR104FH / BSR14$B$H(BLinux
* OpenVPN$B$r;H$C$?(BVPN
* VPN$B4D6-$G$N(BWindows Network
* OpenVPN$B$d(BVTun$B$N(BEthernet Bridge$B$r;H$&(B
* WINS$B%5!<%P!<$H(BDMB$B$r;H$&(B
* Linux$B$G(BPPTP$B$r;H$&(B
------------------------------------------------------------

Linux $B$@$H!"(BVTun $B$H$+(B OpenVPN $B$H$+;H$($k$s$8$c$J$$$+$J!#(B
Linux $B$K$3$@$o$i$J$$$G!"E,Ev$J(B VPN $BBP1~$N%k!<%?$rGc$&$H$$$&(B
$BJ}K!$b$"$k$+$b$7$l$^$;$s$M!#>e$N%Z!<%8$N!V(BVPN$BBP1~(B $BDc2A3J%k!<(B
$B%?!<!W$N$"$?$j$NOC$M!#(B

$B@-G=$O!"M}***@E*$K$O!"(BIPsec $B$,NI$5$=$&$H$$$&$3$H$K$J$C$?$$$k$s(B
$B$@$1$I!#$I$3$+$K!"@-G=Hf3S$J$I$"$j$^$;$s$+!#(B

$B;d$O!":#EY!"(BMacOSX Server $B$N(B IPsec $B$+(B PPTP $B$G$D$J$$$G$_$h$&(B
$B$+$J$"$H;W$C$F$$$?=j$G$7$?!#(B

VPN $B$H$$$&$H!"(BSoftEther $B$H$$$&$N$b!"$"$s$k$@$1$l$I!#(B

$B!@!@!!?7>k!!Lw!!!J$7$s$8$g$&!!$d$9$7!K!!!@!@(B
$B!@!@!!C^GHBg3X!!EE;R!&>pJs!!!!!!!!!!!!!!!@!@(B

[takahide nojima]

nojima$B$G$9!#(B
$B$3$l$C$F:#$bM-8z$J$s$G$7$g$&$+!)(B
$B5?;wC<***@ZBX$(%=%U%H$H$+$$$C$?$j$7$J$$$N$G$7$g$&$+!)(B

$B$"$H!"(BSSH$B$,Mn$A$k$HI|5"$O$I$&$9$k$N$G$7$g$&$+!)$$$:$l$K$7$F$bBgJQ$=$&$JM=46(B
$BBg$G$9!#(B

#$B<+J,$K$O(BPPP over SSH$B$r$9$k$3$H$K$D$$$F!":G6a!"(BSSH/PPP$B$N3+H/<T$OC/$b(B
#$B9MN8$7$F$J$$$+$J$H;W$C$F$^$9!#(B

Post by Yasushi Shinjo
$B$3$s$J%Z!<%8$r8+$D$1$^$7$?!#$h$/$^$H$^$C$F$$$^$9!#(B
VPN$B5;=Q$K$D$$$F(B by $B>.K\(B $B??9-(B <m.komoto at nifty.ne.jp>
http://www.komoto.org/vpn/index.html

$B$3$A$i$N>pJs$O$"$j$,$H$&$4$6$$$^$7$?!#3N$+$K$h$/$^$H$^$C$F$k$H;W$$$^$9!#(B

Open VPN/vtun$B$J$I8!F$$7$F$_$^$9!#(B

[Y.MINAMI]

Post by takahide nojima
ClientA-+ +-ClientD
ClientB-+-->LinuxA<-...->LinuxB<--+-ClientE
ClientC-+ +-ClientF
(NetworkA) (NetworkB)
$B>e$N$h$&$J%M%C%H%o!<%/$,$"$j$^$9!#$3$3$G!"(B
[1] NetworkB$B$N(BTCP$B$N%Q%1%C%H$r(BLinuxB$B$,$9$Y$F<u$1$H$j!"(BLinuxA$B$K(B
$B2?$i$+$NJL$N%W%m%H%3%k$GE>Aw$7$F(BNetworkA$B$GE83+$9$k!"$^$?!"(B
[2] NetworkA$B$N(BTCP$B$N%Q%1%C%H$r(BLinuxA$B$,$9$Y$F<u$1$H$j!"(BLinuxB$B$K(B
$BJL$N%W%m%H%3%k$GE>Aw$7$F(BNetworkB$B$GE83+$9$k!"(B

$B$3$l$C$FA4$F$N%Q%1%C%H$r(BLinuxA,LinuxB$B7PM3$GDL$9I,MW$,$"$k$N$G(B
$B$7$g$&$+(B?
$B$=$NI,MW$,$J$$!"$+$DNc$($P(BClientA<-->ClientD$B#d$_$?$$$K%T%"(Bto$B%T%"(B
$B$G%N!<%I4VDL?.$r$7$?$$!u(BNetwork$B4V$,%$%s%?!<%M%C%H$H$$$&$3$H$J$i!"(B
$BM-NA$G$9$,2?<R$+$=$&$$$&(BASP$B%5!<%S%9$"$j$^$9$,!#(B

----
$B$_$J$_(B

[takahide nojima]

nojima$B$G$9!#(B

Post by Y.MINAMI
$B$3$l$C$FA4$F$N%Q%1%C%H$r(BLinuxA,LinuxB$B7PM3$GDL$9I,MW$,$"$k$N$G(B
$B$7$g$&$+(B?

$B$$$m$$$m$H$"$j$^$9!#(B

$B:#$N$H$3$m(BOpenVPN$B$+(Bvtun$B$G$$$1$=$&$J$N$G$3$l$G9T$/M=Dj$G$9!#(B

$B>pJs$"$j$,$H$&$4$6$$$^$7$?!#(B

[takahide nojima]

nojima$B$G$9!#(B

$B$$$m$$$m8+$F$F!"(B

$B!&(BVPN$B$^$o$j(B
$B!&(Bhttp tunnel$B$^$o$j(B

$B$G$O0J2<$,;29M$K$J$j$^$7$?!#%a%b$7$H$-$^$9!#(B

http://pc8.2ch.net/test/read.cgi/network/990103131/-100

$B!t(Bfj$B$K(B2ch$B$N%j%s%/D%$C$FNI$$$+$O$7$j$^$;$s$,(B...

Post by takahide nojima
nojima$B$G$9!#(B
ClientA-+ +-ClientD
ClientB-+-->LinuxA<-...->LinuxB<--+-ClientE
ClientC-+ +-ClientF
(NetworkA) (NetworkB)
$B>e$N$h$&$J%M%C%H%o!<%/$,$"$j$^$9!#$3$3$G!"(B
[1] NetworkB$B$N(BTCP$B$N%Q%1%C%H$r(BLinuxB$B$,$9$Y$F<u$1$H$j!"(BLinuxA$B$K(B
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Post by takahide nojima
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