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From: IIJIMA Akihiro <aki@noc.titech.ac.jp>
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Date: Sat, 14 Feb 1998 23:41:43 +0900
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Subject: [FreeBSD-users-jp 24608] Re: How to Mount nfs over firewall
Errors-To: owner-FreeBSD-users-jp@jp.freebsd.org
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> $B$H$3$m$G!"(Bfirewall$B$N30$N%G%#%9%/$r!"(BNFS$B$G%^%&%s%H$5$;$k$3$H$K$D$$$F!"(B
> $B$I$J$?$+$4B8CN$J$$$G$7$g$&$+!#(B

$B$=$&$$$&1?MQ$r$7$J$$$h$&$K:F@_7W$7$?J}$,$h$$$H;W$$$^$9!#(B
firewall$B$rF~$l$k0UL#$,$J$$!#(B

 $B!c?^$O>JN,!d(B
> $B>e$N?^!J8+$K$/$$$+$b$7$l$^$;$s!#$4MF<O$/$@$5$$!#!K$r8+$F$b$i$($l$P(B

$B$A$H(B $B$o$+$j$K$/$$$G$9!#(B
Ethernet$B$r;H$C$?%M%C%H%o!<%/$C$F%P%97?$J$s$@$+$i!"(B

   |
 --------------------------
     |       |       |
   host_A  host_B  host_C(with NAT)
                     |
           ----------------
             |         |
           host_D   host_E

$B$3$s$J46$8$G$9$h$M!#(B

> host A $B%U%!%$%k%5!<%P$N%G%#%9%/$r!"(Bhost B,C$B$@$1$G$J$/(B
> subnet$BFb$N(Bhost D,E$B$K$b!"(Bhost C$B!J$3$l$,(BLinux)$B$N(Bfirewall$B$r1[$($F(B
> NFS$B$G%^%&%s%H$5$;$?$$(B

$B=gHV$K9M$($F$_$^$7$g$&!#(B

1) host_E$B$+$i(B host_A$B$K(B NAT$B$r7PM3$7$FDL?.$7$?>l9g$K!"(B
host_A$B$+$i$O(B $B$I$N%^%7%s$+$i@\B3$5$l$?$h$&$K8+$($k$G$7$g$&$+!)(B

$B@\B3>u67$O(Bnetstat$B%3%^%s%I$GD4$Y$k$3$H$,$G$-$^$9!#;n$7$K(B host_E$B$+$i(B
host_A$B$K(B telnet$B%3%^%s%I$G%m%0%$%s$7$F(B $B$=$N>uBV(B(host_A$B$N%W%m%s%W%H(B)$B$G(B
netstat -f inet$B$H$+<B9T$7$F$_$^$7$g$&!#(B
(telnet$B%3%^%s%I$G%m%0%$%s$7$?>l9g$O(B who$B$d(B w$B%3%^%s%I$G$b$o$+$j$^$9$M(B)

$BD4$YJ}$O$o$+$j$^$7$?$M!#$G$O!"(B
2) host_E$B$+$i(B host_A$B$N(BDisk$B$r(B NFS$B%^%&%s%H$7$h$&$H$9$k$H!"(B
host_A$B$+$i8+$k$H(B $B<B:]$K$O$I$N(Bhost$B$+$i$N@\B3MW5a$K8+$($k$G$7$g$&$+!)(B

3) NFS$B%5!<%P$G$"$k(B host_A$B$G$O(BNFS$B$N@\B3MW5a$r<u$1IU$1$k$+H]$+$N(B
$B%"%/%;%9@)8B$r(B/etc/exports$B$H$$$&%U%!%$%k$G@)8f$7$F$$$^$9$,!"(B
host_? $B$+$i$N@\B3$r5v$9$K$O(B $B$I$N$h$&$K5-=R$9$l$P$$$$$G$7$g$&$+!)(B

4) $B$G$O(B host_E$B$+$i$N(BNFS$B%"%/%;%9$r5v$9$K$O$I$&$+$1$P$h$5$=$&$G$9$+!)(B

$B:G8e$K(B
5) $B$=$&$9$k$3$H$G(B $B$I$s$J4m81@-$,9M$($i$l$^$9$+!#(B

$B!v!v!v(B

$B$3$N0lO"$N<ALd$G(B QandA$B$,(B 5$B7o$/$i$$:n$l$^$9$M!#$s$8$c(B $B$h$m$7$/$M!#(B
--
$BEl5~9)6HBg3X(B $BAm9g>pJs=hM}%;%s%?!<(B $B%M%C%H%o!<%/%7%9%F%`1?MQ3](B
	$BHSEg(B $B><Gn(B (Akihiro Iijima) aki@noc.titech.ac.jp
