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From: mistral@imasy.or.jp (Yoshihiko Sarumaru)
To: FreeBSD-users-jp@jp.FreeBSD.org
In-Reply-To: Your message of "Sat, 15 Mar 2003 23:53:49 GMT".
	<030316085349.M0128115@sprite.netlab.is.tsukuba.ac.jp>
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Date: Sun, 16 Mar 2003 11:31:04 +0900
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Subject: [FreeBSD-users-jp 73759] Re: PrivateLAN
 =?ISO-2022-JP?B?GyRCPmUkTiVeJTclcyQrJGkkThsoQg==?= PortOpen
	=?ISO-2022-JP?B?GyRCJCxDWSQkGyhC?=.
Sender: owner-FreeBSD-users-jp@jp.FreeBSD.org
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X-Distribute: distribute version 2.1 (Alpha) patchlevel 24e+030304

$B!!$3$s$K$A$O!"1n4]$G$9!#(B

2003-03-16($BF|(B) 08:53:49.$B:"!"(Byama@netlab.is.tsukuba.ac.jp$B$5$s$O=q$-$^$7$?!#(B

> $B8=:_(BPrivateLAN$B>e$N%^%7%s$+$i30It$N%M%C%H%o!<%/$K(B
> $B%V%m!<%I%P%s%I%k!<%?(B(BLW-04FM)$B$N(BNAT$B5!G=$r2p$7$F(B
> $B@\B3$7$F$$$k$N$G$9$,!"30It$N%[%9%H$KBP$7$F(BPing$B$O(B
> $BJV$C$F$/$k$,!"(B80$B$J$I$N%5!<%S%9$K%"%/%;%9$7$h$&$H(B
> $B$9$k$H(BPort$B$N%*!<%W%s$,6KC<$KCY$$(B(30$BIC0J>e$+$+$k(B)
> $B$H$$$&8=>]$KAx$C$F$^$9(B.

$B!!$H$j$"$($:(B tcpdump $B$J$j(B ethereal $B$J$j$G!"$I$N$h$&$J%Q%1%C%H$,(B
$BN.$l$F$$$k(B/$BN.$l$F$$$J$$$H$$$&$N$r3NG'$7$F$_$F$O$I$&$G$7$g$&$+!#(B
$B$J$s$H$J$/(B DNS $B$N(B timeout $BBT$A$,5/$-$F$$$k$h$&$J5$$,$7$^$9$,!"(B
ping $B$G$O$U$D$&$KL>A02r7h$G$-$F$$$k$N$G$9$h$M!D!D!#(B


> http://www.jp.freebsd.org/QandA/HTML/1622.html
> 
> $B$3$N$"$?$j$NOC$+$H;W$$!"%+!<%M%k%3%s%Q%$%k$r(B
> $B9T$C$F$_$?$N$G$9$,!">u67$O2~A1$7$^$;$s(B.

  $B$3$l$O4{$K@NOC$K$J$C$F$$$k$O$:$G$9!#(B
http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/i386/i386/in_cksum.c#rev1.17.2.2


> $BMn$A$^$;$s(B.$B$^$?>e5-$N%+!<%M%k%3%s%Q%$%k$,$&$^$/$$(B
> $B$C$F$k$+3NG'$9$kJ}K!$,$J$$$N$G!"$3$l$^$?<j5M$^$j(B
> $B$G$9(B($B%3%s%Q%$%k;~$N(Bcc$B$N%*%W%7%g%s$,(B-O2$B$8$c$J$1$l$P(B
> $B$$$$$s$G$7$g$&$+(B?).

$B!!(Bchecksum $B$G%(%i!<$K$J$C$F$$$l$P!"%Q%1%C%H$r<u$1<h$C$F$b(B ACK $B$r(B
$BJV$7$F$$$J$$!"$G$$$$$s$G$7$?$C$1!#(BICMP $B$rJV$9$s$@$C$?$+K:$l$^$7(B
$B$?$,!"$3$NJU$O$-$C$H$d$^$6$-$5$s$NJ}$,>\$7$$$O$:(B :)

--
$B1n4]K'I'(B (Yoshihiko Sarumaru)
mail: mistral@imasy.or.jp       web: http://www.imasy.or.jp/~mistral/
