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Date: Wed, 16 Apr 1997 09:41:04 +0900
From: Kenichi Okuyama <okuyama@trl.ibm.co.jp>
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Subject: [FreeBSD-users-jp 11818] Re: Open or Not Open (Re: ping too late)
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$B1|;3!s;d$N>80.$,4V0c$C$F$$$k2DG=@-$OB?!9$"$j$^$9$,!w#I#B#M$G$9!#(B

>>>>> "$B;3K\(B" == shigeru  <shigeru@iij.ad.jp> writes:
$B1|;3(B> network secure $B$H(B host secure $B$C$F$$$&Fs$D$N35G0$,$"$j$^$9$,!"(B
$B;3K\(B> $B;d$O%;%-%e%j%F%#$N@lLg2H$8$c$J$$$N$G$3$&$$$&35G0$,$"$k$N$+$I$&$+$O$7$j$^$;$s(B
$B;3K\(B> $B$,!"(B
$B;3K\(B> network secure = $BEpD0$H$+$$$6$s$,$J$$(B
$B;3K\(B> host secure = $B$J$j$9$^$7$,$J$$(B
$B;3K\(B> $B$H$$$&$3$H$G$7$g$+(B?

network $B$NJ}$O!VAw?.%[%9%H$+$i%G!<%?$,=P$F$+$i!"<u?.%[%9%H$K%G!<%?$,(B
$BE~C#$9$k$^$G!W$N4V$K2?$i$+$N9):n$,9T$o$l$k2DG=@-$,$J$$!"$D$^$j(B

$B!&EpD0$5$l$J$$(B
$B!&>!<j$KJQ99$5$l$J$$(B
$B!&56J*$,Ht$s$G$3$J$$(B

$B$3$H$r0UL#$7!"(Bhost secure $B$H$$$&$N$OAw?.%[%9%H$J$i$S$K<u?.%[%9%H>e$G(B

$B!&Ep$^$l$J$$(B
$B!&>!<j$KJQ99$5$l$J$$(B
$B!&56J*$,:n@.$5$l$J$$(B

$B$3$H$G$9!#(B

$B!t967b$KBQ$($i$l$k!"$H$$$&$N$O(B safe $B$H8@$C$F!"(Bsecure $B$H$O8@$o$J$$$H(B
$B!t5-21$7$F$^$9$,!D(B

$B$I$A$i$b!"!V$d$C$?Ev?M<+?H$b0U?^$;$:$K!W$H$$$&>l9g$b4^$_$^$9!#$?$H$((B
$B$P!"Bg;v$J%G!<%?$r0E9f2=$9$k$H$-$K!"<h$j$"$($:(B /tmp $B$K%3%T!<$7$F!D$J(B
$B$s$F$d$k%W%m%0%i%`$,$"$C$F!"6vA3JL$N%f!<%6!<$,$=$N%U%!%$%k$r8+$F$7$^$C(B
$B$?$;$$$G%G!<%?$,O31L$7$?$j!"$=$N(B /tmp $B>e$N%U%!%$%k$,(Ba+rw $B$K$J$C$F$F(B
$BB>$N%f!<%6!<$bF1$8%U%!%$%kL>$r6vA3;H$C$F$?$;$$$GESCf$G=q$-JQ$C$F$7$^$C(B
$B$?!"$J$s$F$N$b(B unsecure $B$J>uBV$K4^$^$l$^$9!#(B

cracker $B$,?/F~$K@.8y$7(B unsafe $B$K$O$J$C$?$,!"(Broot $B$K$O$J$l$F$J$$$N$G(B
$B$^$@(B unsecure $B$K$O$J$C$F$J$$%[%9%H!"$H$$$&$N$bEvA3$"$jF@$k$o$1$G$9!#(B
$BM}6~$N$&$($G$O!#(B

$B!t$H!"7k9=@09g@-$,<h$l$F$$$k$N$G!"B?J,$3$N5-21$O4V0c$C$F$J$$$@$m$&$H(B
$B!t;W$&$s$G$9$,!D!#(B
----
$B1|;3(B $B7r0l(B@$BEl5~4pAC8&5f=j(B.$BF|K\#I#B#M(B($B3t(B)[$BFzLn#F#C(B:No.0000000015]
http://karin.ip.titech.ac.jp/~okuyama/index.html
#$B:#F|$N$*8@MU!XF0G3IT>M;v$G(B4/6$B$,Dd;_!Y(B:$BH/EENL$N(B40%$B$,86;RNO$@$H$$$&(B
#$B@kEA$,K\Ev$J$i!":#G/$+MhG/$N2F$OEENO6!5kITB-$G%Q%K%C%/$@$J!#>/$/$H$b(B
#$B@PL}7OM"F~IJ$H$=$N0MB8IJ$NCMCJ$N>e>:$OHr$1$i$l$^$$!#7W;;5!$r1?MQ$9$k(B
#$BEENO$bCM>e$,$j$9$k$+$iB>?M$NEENO(B&$B7W;;5!$rMxMQ$7$h$&$H$9$kGZ$bA}$($k$@$m$&!#(B
