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Date: Sat, 19 Feb 2000 22:09:54 +0900
Message-ID: <86ema92va5.wl@localhost.sky.rim.or.jp>
From: Jun Kuriyama <kuriyama@sky.rim.or.jp>
To: IPv6-jp@jp.FreeBSD.org
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Subject: [IPv6-jp 599] Does OpenSSH-1.2.2 query AAAA record?
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$B!!(BFreeBSD-current $B$G;H$C$F$k(B OpenSSH $B$r(B 1.2.2 $B$K$7$F$_$?$N$G$9$,!"(BDNS $B$,(B
$B0z$1$J$$>u67(B ($B<+Bp(BLAN) $B$G$O30$K=P$i$l$J$/$J$C$F$7$^$$$^$7$?(B($B$H$$$&$N$O1>(B
$B$$2a$.$G!"(Bname lookup $B$,(B timeout $B$9$k$^$GBT$?$5$l$k(B)$B!#(B

$B!!:#$^$G$O!"(B/etc/hosts $B$K(B

192.168.1.1	mn128		(dialup router, IPv4 only)
192.168.1.5	leda		(FreeBSD-current)
192.168.1.7	rhea		(FreeBSD-stable, IPv4 only)

$B$H=q$$$F$"$k>uBV$G!"(B

leda: {100} ssh rhea

$B$H$9$k$H(B DNS $B$r0z$-$K$$$/$3$HL5$/@\B3$G$-$F$-$^$7$?!#(B/etc/host.conf $B$O(B
hosts --> bind $B$H$$$&=gHV$K$J$C$F$$$^$9!#(B

$B!!$G!"(Btcpdump $B$G=&$C$F$_$k$H!"(B

21:40:18.368677 192.168.1.5.1053 > 192.168.1.1.53: 14966+ AAAA? rhea. (22)
21:40:18.375136 192.168.1.1.53 > 192.168.1.5.1053: 1611 NXDomain- 0/0/0 (22)

$B$H$$$&Iw$K!"$R$?$9$i(B AAAA RR $B$rC5$7$K$$$C$F$7$^$C$F$$$k$N$,860x$N$h$&$G(B
$B$9!#(B

$B!!%m!<%+%k$N(B DNS $B$b$$$k$N$G!"$b$7L@<(E*$K!V$3$N%[%9%H$O(B AAAA RR $B$r;}$C$F(B
$B$$$J$$!W$H$$$&$3$H$r65$($F$"$2$k$3$H$,$G$-$k$N$J$i!"$5$/$5$/7R$,$k$h$&$K(B
$B$J$k$H;W$&$N$G$9$,!D!D(B(/etc/hosts $B$G$b$$$$$1$I(B)$B!#(B

$B!!$3$&$$$&>l9g!"IaDL$I$&$7$?$i$$$$$s$G$7$g$&!)(B


$B$/$j$d$^(B // kuriyama@sky.rim.or.jp
        // kuriyama@FreeBSD.org
