Sophie: howto-html-ja-10.1-4mdv2008.1 noarch

howto-html-ja-10.1-4mdv2008.1.noarch.rpm

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<H2><A NAME="s11">11. $BMQ8l2r@b(B</A></H2>

<P>
<UL>
<LI><B>$BG'>Z(B(authentication):</B> $B<u$1<h$C$?%G!<%?$,(B
$BAw$i$l$?$b$N$HF1$8$+$I$&$+D4$Y$k2aDx$d(B,
$B%G!<%?$NAw$j<g$,K\Ev$K<B:]$KK\?M$G$"$k$+$I$&$+$r3NG'$9$k$3$H(B.
<P>
</LI>
<LI><B>$BMW:I%[%9%H(B(bastion host):</B>$BDL>o$O%$%s%?!<%M%C%H$K@\B3$7$?(B
$B$j(B, $BFbIt%M%C%H%o!<%/$G%f!<%6$,%"%/%;%9$9$kCf?4%[%9%H(B. $B2?$bHw$($,$J$$%7(B
$B%9%F%`$O967b$KBP$7$F@H<e$G$"$k$?$a(B, $B9bEY$K0BA4$K$7$J$1$l$P$J$i$J$$(B. $B$3(B
$B$NL>A0$OCf@$$N>k:V$N30JI$N9bEY$JKI8f9);v$KM3Mh$9$k(B. $BMW:I$N4FFD$O<iHw$N(B
$BMW$G$"$j(B, $BDL>o$O4h>f$JJI$,$"$j(B, $B53J<Bb$N5M=j$,$"$j(B, $B967b<T$r7bB`$9$k$?(B
$B$a$NL}$dG.Er$rF~$l$k23$,$"$k(B. 
<P>
</LI>
<LI><B>$B%P%C%U%!%*!<%P!<%U%m!<(B(buffer overflow):</B> $BDL>o$N%W%m%0%i(B
$B%`$N=q$-J}$G$O(B, $B!V==J,D9$$%P%C%U%!!W$r3NJ]$5$l$:(B, $B%P%C%U%!$N%*!<%P!<%U(B
$B%m!<$N%A%'%C%/$b9T$o$l$J$$$3$H$,$"$k(B. $B$3$N$h$&$J%P%C%U%!$,%*!<%P!<%U%m!<(B
$B$9$k$H(B, $B%W%m%0%i%`(B($B%G!<%b%s$d(B setuid $B$5$l$?%W%m%0%i%`(B)$B$rF0:nCf$KB>$NL\(B
$BE*$K0-MQ$9$k$3$H$,2DG=$G$"$k(B. $B0lHLE*$K(B, $B$3$l$O%9%?%C%/>e$N4X?t$NLa$j@h(B
$B$rB>$N>l=j$K>e=q$-$9$k$3$H$G9T$o$l$k(B. 
<P>
</LI>
<LI><B>$B%5!<%S%9K832967b(B(denial of service):</B> $B%5!<%S%9K832967b$O(B, 
$B967b<T$,K\Mh$NL\E*$H$O0[$J$k;H$$J}$G%3%s%T%e!<%?$N;q8;$r?)$$DY$7(B, $BDL>o(B
$B$N%M%C%H%o!<%/;q8;$NMxMQ$rK832$9$k967b$G$"$k(B. 
<P>
</LI>
<LI><B>dual-homed host:</B> $B>/$J$/$H$b(B 2 $B$D$N%M%C%H%o!<%/%$%s%?%U%'!<(B
$B%9$r;}$D(B, $BHFMQ$N%3%s%T%e!<%?%7%9%F%`(B. 
<P>
</LI>
<LI><B>$BKI2PJI(B(firewall):</B> $BJ]8n$5$l$?%M%C%H%o!<%/$H%$%s%?!<%M%C(B
$B%H4V(B, $B$"$k$$$O0[$J$k%M%C%H%o!<%/F1;N$N4V$N%"%/%;%9$r@)8B$9$k%3%s%]!<%M(B
$B%s%H$"$k$$$O%3%s%]!<%M%s%H$N=89g(B. 
<P>
</LI>
<LI><B>$B%[%9%H(B(host):</B> $B%M%C%H%o!<%/$K@\B3$5$l$?%3%s%T%e!<%?(B
<P>
</LI>
<LI><B>IP $B:>>N(B(IP spoofing):</B> IP $B:>>N$OJ#?t$NMWAG$+$i$J$k(B,
$B5;=QE*$KJ#;($J967b$G$"$k(B. $B?.Mj4X78$K4p$E$/7W;;5!$NMxMQ$r$r$Z$F$s$K$+$1(B,
$B$"$J$?$OK\Ev$K$"$J$?$J$N$+(B? $B$H$$$&5??40E54$KDI$$9~$`$H$$$&(B
$B%;%-%e%j%F%#967b$H$J$k(B.
daemon9, route, infinity $B$K$h$C$F=q$+$l$?>\$7$$%Z!<%Q!<$,(B 
Phrack Magazine $B$N(B $BBh(B 7 $B4,(B, $BBh(B 48 $B9f$K$"$k(B. 

<P>
</LI>
<LI><B>$BH]G'KI;_@-(B(non-repudiation):</B> $BAw$j<g$,%G!<%?$rAw$C$?$3$H(B
$B$r8e$+$iH]Dj$7$h$&$H$7$F$b(B, $B$=$NAw$j<g$,<B:]$K%G!<%?$rAw$C$?$3$H$r%G!<(B
$B%?$r<u$1<h$C$?B&$,>ZL@$G$-$k$H$$$&@-<A(B. 
<P>
</LI>
<LI><B>$B%Q%1%C%H(B(packet):</B> $B%$%s%?!<%M%C%H$K$*$1$kDL?.$N4pK\C10L(B. 
<P>
</LI>
<LI><B>$B%Q%1%C%H%U%#%k%?%j%s%0(B(packet filtering:)</B> $B%M%C%H%o!<%/(B
$B$r=PF~$j$9$k%G!<%?$NN.$l$rA*BrE*$K@)8f$9$k$3$H(B. $B%Q%1%C%H%U%#%k%?$O(B, $BDL(B
$B>o$O30It%M%C%H%o!<%/$H$N4V$N%k!<%F%#%s%0$N;~$K(B, $B%Q%1%C%H$NDL9T$r5v2D$"(B
$B$k$$$O6X;_$9$k(B($BIaDL$O%$%s%?!<%M%C%H$HFbIt%M%C%H%o!<%/$N4V(B). $B%Q%1%C%H%U%#(B
$B%k%?%j%s%0$r9T$&$?$a$K$O(B, $B5v2D$^$?$O6X;_$9$k%Q%1%C%H$N<oN`(B($BFCDj$N(B IP 
$B$"$k$$$O%]!<%H$G;XDj(B)$B$r;XDj$9$k%k!<%k$r@_Dj$9$kI,MW$,$"$k(B. 
<P>
</LI>
<LI><B>$B6-3&%M%C%H%o!<%/(B(perimeter network):</B> $B%;%-%e%j%F%#$NAX$r(B
$BDI2C$9$k$?$a$K(B, $BJ]8n$5$l$?%M%C%H%o!<%/$H30It%M%C%H%o!<%/$H$N4V$K:n$k%M%C(B
$B%H%o!<%/(B. $B6-3&%M%C%H%o!<%/$OHsIpAuCOBS(B(DMZ, demilitarized zone)$B$H8F$P(B
$B$l$k$3$H$b$"$k(B. 
<P>
</LI>
<LI><B>$BBeM}%5!<%P(B(proxy server):</B> $BFbIt%/%i%$%"%s%H$K30It%5!<%P(B
$B$X%"%/%;%9$5$;$k$?$a$N%W%m%0%i%`(B. $B%/%i%$%"%s%H$OBeM}%5!<%P$K%"%/%;%9$7(B, 
$BBeM}%5!<%P$O(B, $B%/%i%$%"%s%H$N5v2D$7$?%j%/%(%9%H$r<B:]$N%5!<%P$KCf7Q$7(B, 
$B$=$N1~Ez$r%/%i%$%"%s%H$KCf7Q$9$k(B. 
<P>
</LI>
<LI><B>$B%f!<%Q!<%f!<%6(B(superuser):</B> <CODE>root</CODE> $B$NDL>N(B. 
<P>
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