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From: "SANETO Takanori" <sanewo@ba2.so-net.ne.jp>
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References: <040419223021.M0600468@XP.doga.jp> <408530F8.7090500@trio.plala.or.jp>
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Date: Wed, 21 Apr 2004 23:45:01 +0900
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Subject: [FreeBSD-users-jp 79125] Re: =?ISO-2022-JP?B?GyRCNGs2SBsoQg==?=
 =?ISO-2022-JP?B?GyRCJFgkTkYzRn4kSyREJCQkRhsoQg==?= 
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> >>Netcraft determines the operating system of the queried host by
> >>looking in detail at the network characteristics of the HTTP reply
> >>received from the web site.
> >$B$@$=$&$G$9$+$i!"$*$=$i$/(B TCP/IP $B%l%Y%k$G(B $B%W%m%H%3%k%9%?%C%/$N%/%;$+2?$+$r(B
> >$B8+$F$$$k$N$@$H;W$$$^$9$,!"(B5.1-RELEASE $B$H(B 5.2.1-RELEASE $B$G$=$l$[$I2?$+$,(B
> >$BJQ$o$k$H;W$($J$$$N$G$9$4$/IT;W5D$G$9!#(B
> $B!!;d$N?dB,$G$9$,!"(Bbanner$B$G$O$J$$$G$7$g$&$+!#$=$l$>$l$N%]!<%H$K(Btelnet
> $B$+$1$?$H$-$N!#(B

tcpdump $B$7$F$_$?$H$3$m!"(Bhttp $B$K$7$+%"%/%;%9$7$F$$$^$;$s$,!"0U?^E*$K(BTCP$B%Q%1%C(B
$B%H$r%U%i%0%a%s%H2=$7$F$$$k$h$&$G$9!#(B
$B$=$N$"$?$j$NH?1~$K$h$C$F!"(BOS$B$r8+J,$1$F$$$k$_$?$$$G$9$M!#(B
$B%/%;$,$J$/$J$C$F$7$^$&$H!"(BUnknown$B$K$J$k$s$G$7$g$&$+!#(B
-- 
$B$5$M$r(B


