<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"> <HTML> <HEAD> <META NAME="GENERATOR" CONTENT="SGML-Tools 1.0.9"> <TITLE>Linux Security HOWTO: $B35MW(B</TITLE> <LINK HREF="Security-HOWTO-3.html" REL=next> <LINK HREF="Security-HOWTO-1.html" REL=previous> <LINK HREF="Security-HOWTO.html#toc2" REL=contents> </HEAD> <BODY> <A HREF="Security-HOWTO-3.html">$B<!$N%Z!<%8(B</A> <A HREF="Security-HOWTO-1.html">$BA0$N%Z!<%8(B</A> <A HREF="Security-HOWTO.html#toc2">$BL\<!$X(B</A> <HR> <H2><A NAME="s2">2. $B35MW(B</A></H2> <P>$BK\%I%-%e%a%s%H$G$O(B, Linux $B%7%9%F%`$r$h$j0BA4$K$9$k$?$a$NJ}K!$H(B, $B$h$/;H$o$l$k%=%U%H%&%'%"$K$D$$$F2r@b$7$^$9(B. $B6qBNE*$JFbMF$KF~$kA0$K(B, $B4pK\E*$J35G0$K$D$$$F5DO@$7(B, $B%;%-%e%j%F%#$N4pAC$r2!$($F$*$/$3$H$K$7$^$7$g$&(B. <P> <H2><A NAME="ss2.1">2.1 $B$J$<%;%-%e%j%F%#$,I,MW$J$N$+(B</A> </H2> <P>$B>o$KJQ2=$7B3$1$k(B, $B%0%m!<%P%k$J%G!<%?DL?.(B, $B0B2A$J%$%s%?!<%M%C%H@\B3(B, $BB.$$%Z!<%9$N%=%U%H%&%'%"3+H/$N@$3&$NCf$G(B, $B%;%-%e%j%F%#$O$h$j=EMW$K$J$j$D$D$"$j$^$9(B. $B%0%m!<%P%k%3%s%T%e!<%F%#%s%0$OK\<AE*$K4m81$J$N$G(B, $B%;%-%e%j%F%#$O:#$d4pK\E*$JMW7o$G$9(B. $BNc$($P%G!<%?$,(B A $BCOE@$+$i(B B $BCOE@$^$G%$%s%?!<%M%C%H>e$GAw$i$l$k>l9g$r9M$($k$H(B, $B%G!<%?$O7PO)$NESCf$GB>$NCOE@$rDL$k$N$G(B, $BB>?M$,%G!<%?$rK5<u$d2~cb$5$($7$F$7$^$&2DG=@-$,$"$j$^$9(B. $BF1$8%7%9%F%`>e$N%f!<%6$G$5$((B, $B$"$J$?$N%G!<%?$r0-0U$r;}$C$F0U?^$7$J$$$h$&$J$b$N$KJQ$($F$7$^$&$+$b$7$l$^$;$s(B. $B!V%/%i%C%+!<!W$H$7$FCN$i$l$k?/F~<T$K(B, $B%7%9%F%`$N%"%/%;%98"$rIT@5$KF@$i$l$F$7$^$&$+$b$7$l$^$;$s(B. $B%/%i%C%+!<$O$"$J$?$K$J$j$9$^$9$?$a$K9bEY$JCN<1$rMQ$$(B, $B$"$J$?$+$i%G!<%?$rEp$s$@$j(B, $B$"$J$?$,<+J,<+?H$N%G!<%?$K%"%/%;%9$G$-$J$$$h$&$K$7$F$7$^$$$^$9(B. $B$"$J$?$,!V%O%C%+!<!W$H!V%/%i%C%+!<!W$N0c$$$,J,$+$C$F$$$J$$$h$&$G$"$l$P(B, Eric Raymond $B;a$N=q$+$l$?!V%O%C%+!<$K$J$kJ}K!(B(How to Become A Hacker)$B!W(B $B$r$4Mw$/$@$5$$(B. ( <A HREF="http://www.netaxs.com/~esr/faqs/hacker-howto.html">http://www.netaxs.com/~esr/faqs/hacker-howto.html</A> $B$GF~<j$G$-$^$9(B) <P>$BLuCm(B: $B!V%O%C%+!<$K$J$kJ}K!(B (How to Become A Hacker)$B!W$NF|K\8lLu$O(B <A HREF="http://www.linux.or.jp/JF/JFdocs/hacker.txt">http://www.linux.or.jp/JF/JFdocs/hacker.txt</A> $B$^$?$O(B <A HREF="http://www.post1.com/home/hiyori13/freeware/hacker.html">http://www.post1.com/home/hiyori13/freeware/hacker.html</A> $B$GF~<j$G$-$^$9(B. <P> <H2><A NAME="ss2.2">2.2 $B$I$NDxEY0BA4$J$i0BA4$J$N$+(B?</A> </H2> <P>$B:G=i$K(B, $B40A4$K0BA4$J%3%s%T%e!<%?%7%9%F%`$OB8:_$7$J$$$3$H$r3P$($F$*$$$F$/$@$5$$(B. $B$G$-$k$N$O(B, $B2?<T$+$,%7%9%F%`$r0-MQ$9$k$N$r$h$j:$Fq$K$9$k$3$H$@$1$G$9(B. $BIaDL$N(B Linux $B$N%[!<%`%f!<%6$J$i$P(B, $B6vA3$d$C$F$/$k%/%i%C%+!<$rKI$0$N$O$=$l$[$IBgJQ$G$O$"$j$^$;$s(B. $B$H$O$$$((B, Linux $B$r=EMW$J;E;v$K;H$C$F$$$k>l9g(B($B6d9T(B, $BDL?.6H<T$J$I(B)$B$K$O(B, $B$:$C$HB?$/$N:n6H$,I,MW$K$J$k$G$7$g$&(B. <P>$B9MN8$KF~$l$k$Y$-JL$NMWAG$H$7$F(B, $B%;%-%e%j%F%#$r9b$a$l$P9b$a$k$[$I(B, $B%;%-%e%j%F%#$,<YKb$K$J$k$3$H$,5s$2$i$l$^$9(B. $B$=$3$G(B, $BL\E*$KBP$7$F==J,;H$$$d$9$/$+$D0BA4$J%7%9%F%`$H$J$k$h$&(B $B%P%i%s%9$r$H$C$F$d$i$J$1$l$P$J$j$^$;$s(B. $BNc$($P(B, $B$"$J$?$N%7%9%F%`$KEEOC2s@~$G@\B3$7$F$/$k%f!<%6A4$F$K(B $B%3!<%k%P%C%/%b%G%`$r;H$C$F$b$i$$(B, $BH`$i$N2H$K%3!<%k%P%C%/$9$k$h$&$K$9$k$3$H$,$G$-$^$9(B. $B$3$l$K$h$j0BA4$J1?MQ$r$*$3$J$($^$9$,(B, $B%f!<%6$,2H$K$$$J$$$h$&$J%1!<%9$G$O%m%0%$%s$,:$Fq$K$J$C$F$7$^$$$^$9(B. Linux $B%7%9%F%`$r%M%C%H%o!<%/$d%$%s%?!<%M%C%H$K7R$,$J$$@_Dj$b2DG=$G$9$,(B, $B$3$l$G$OJXMx$5$bB;$J$o$l$F$7$^$$$^$9(B. <P>$BCf!ABg5,LO$N%5%$%H$J$i$P(B, $B%5%$%H$,$I$NDxEY$N%;%-%e%j%F%#$rI,MW$H$7$F$$$F(B, $B$3$l$r%A%'%C%/$9$k$?$a$I$s$J4F::$r9T$&$N$+$H$$$&(B $B%;%-%e%j%F%#%]%j%7!<$r7h$a$k$Y$-$G$9(B. $BM-L>$J%;%-%e%j%F%#%]%j%7!<$NNc$O(B <A HREF="http://core.ring.gr.jp/pub/doc/rfc/rfc2196.txt">http://core.ring.gr.jp/pub/doc/rfc/rfc2196.txt</A>$B$G$9(B. $B$3$l$O:G6a2~Dj$5$l$F$*$j(B, $B2q<R$N%;%-%e%j%F%#%]%j%7!<$r:n$k:]$NNI$$OHAH$K$J$j$^$9(B. <P>$BLuCm(B: $BF|K\8lLu$,(B <A HREF="http://www.ipa.go.jp/SECURITY/rfc/RFC2196-00JA.html">http://www.ipa.go.jp/SECURITY/rfc/RFC2196-00JA.html</A> $B$K$"$j$^$9(B. <P> <H2><A NAME="ss2.3">2.3 $B2?$r<i$k$N$+(B?</A> </H2> <P>$B%7%9%F%`$r0BA4$K$7$h$&$H$9$kA0$K(B, $B$^$:(B, $B$I$NDxEY$N%l%Y%k$N6<0R$+$i<+?H$r<i$k$N$+(B, $B$I$NDxEY$N%j%9%/$rKA$9$Y$-$J$N$+(B ($B$"$k$$$OKA$9$Y$-$G$J$$$N$+(B), $B7k2LE*$K%7%9%F%`$O$I$NDxEY@H<e$J$^$^$K$9$k$N$+$r7h$a$J$/$F$O$J$j$^$;$s(B. $B2?$r<i$k$N$+(B, $B$J$<$=$l$r<i$k$N$+(B, $B$=$l$K$I$s$J2ACM$,$"$k$N$+(B, $B%G!<%?$dB>$N:b;:$KBP$7$F$N@UG$$OC/$,Ii$&$N$+$rCN$k$?$a$K(B, $B%7%9%F%`$r2r@O$9$Y$-$G$9(B. <P> <UL> <LI><EM>$B%j%9%/(B</EM>$B$H$O(B, $B?/F~<T$,%7%9%F%`$X$N%"%/%;%9$K@.8y$9$k2DG=@-$G$9(B. $B?/F~<T$O%U%!%$%k$NFI$_=q$-$r$7$?$j(B, $B32$r$J$9%W%m%0%i%`$r<B9T$G$-$k$G$7$g$&$+(B? $B=EMW$J%G!<%?$r>C$9$3$H$,$G$-$k$G$7$g$&$+(B? $B=EMW$J;E;v$NK832$,$G$-$k$G$7$g$&$+(B? $BK:$l$F$O$J$i$J$$$N$O(B, $BC/$+$,$"$J$?$N%"%+%&%s%H$d%7%9%F%`$X$N%"%/%;%98"$r<j$KF~$l$F$7$^$($P(B, $B$=$N?M$O$"$J$?$K$J$j$-$k$3$H$,$G$-$F$7$^$&$H$$$&$3$H$G$9(B. <P>$B2C$($F(B, $B0BA4$G$J$$%"%+%&%s%H$,%7%9%F%`>e$K$R$H$D$"$l$P(B, $B7k2LE*$K%M%C%H%o!<%/A4BN$,0-MQ$5$l$k2DG=@-$,$"$j$^$9(B. <CODE>.rhost</CODE> $B%U%!%$%k$r;H$C$?%m%0%$%s$r5v2D$7$F$$$k%f!<%6$,$$$?$j(B, <CODE>tftp</CODE> $B$N$h$&$J0BA4$G$J$$%5!<%S%9$r;H$C$F$$$k>l9g(B, $B?/F~<T$,$3$l$i$rMxMQ$7$F!V%I%"$NCf$KB-$rF'$_F~$l$k!W4m81$rGXIi$&$3$H$K$J$j$^$9(B. $B$$$C$?$s?/F~<T$,$"$J$?$dB>$NC/$+$N%7%9%F%`$N%"%+%&%s%H$r<j$KF~$l$l$P(B, $B$=$l$OB>$N%7%9%F%`$dB>$N%"%+%&%s%H$K%"%/%;%9$9$k$?$a$KMxMQ$5$l$k$+$b$7$l$^$;$s(B. <P> </LI> <LI><EM>$B6<0R(B</EM>$B$O35$7$F(B, $BC/$+$,%M%C%H%o!<%/$d%3%s%T%e!<%?$K5v2D$J$7$K%"%/%;%9$7$h$&$H$9$k$3$H$+$i(B $B@8$8$^$9(B. $BC/$r?.MQ$7$F$"$J$?$N%7%9%F%`$K%"%/%;%9$5$;$k$N$+(B, $B$=$7$F$=$N?M$,$I$N$h$&$J6<0R$r$b$?$i$9$N$+$r9M$($F$*$+$J$1$l$P$J$j$^$;$s(B. <P>$B?/F~<T$K$O$$$/$D$+$N%?%$%W$,$"$j$^$9(B. $B$=$NFCD'$rCN$C$F$*$/$H(B, $B%7%9%F%`$r0BA4$K$9$k$N$KLrN)$D$G$7$g$&(B. <P> <UL> <LI><B>$B9%4q?4(B</B> - $B$3$N%?%$%W$N?/F~<T$O4pK\E*$K(B, $B$"$J$?$,$I$s$J%7%9%F%`$d%G!<%?$r;}$C$F$$$k$N$+$rCN$k$3$H$K6=L#$r;}$C$F$$$^$9(B. </LI> <LI><B>$B0-0U(B</B> - $B$3$N%?%$%W$N?/F~<T$O(B, $B$"$J$?$N%7%9%F%`$r%@%&%s$5$;$?$j(B, $B%&%'%V%Z!<%8$KMn=q$-$r$9$k$J$I(B, $BI|5l$K6b$d;~4V$,$+$+$k$3$H$r$7$h$&$H$7$^$9(B. </LI> <LI><B>$BL>@<(B</B> - $B$3$N%?%$%W$N?/F~<T$O(B, $BL>@<$d0-L>$rF@$k$?$a$K%7%9%F%`$K?/F~$7$h$&$H$7$^$9(B. $B<+J,$NG=NO$r@kEA$9$k$?$a$K(B, $BL>$NDL$C$?%7%9%F%`$K?/F~$7$h$&$H$7$^$9(B. </LI> <LI><B>$B6%AhAj<j(B</B> - $B$3$N%?%$%W$N?/F~<T$O(B, $B$"$J$?$,%7%9%F%`>e$K$I$s$J%G!<%?$rCV$$$F$$$k$N$+$K6=L#$r;}$C$F$$$^$9(B. $B$3$N?/F~<T$O(B, $B$"$J$?$,6bA,E*$"$k$$$O$=$l0J30$NJ}K!$GMx1W$r$b$?$i$92?$+$r(B $B;}$C$F$$$k$H;W$C$F$$$k$N$G$7$g$&(B. </LI> <LI><B>$B<ZMQ(B</B> - $B$3$N%?%$%W$N?/F~<T$O$"$J$?$N%7%9%F%`$K:n6H>l$r:n$j(B, $B$=$N;q8;$r<+J,$N$?$a$K;H$&$3$H$K6=L#$r;}$C$F$$$^$9(B. $BH`$i$OIaDL$O%A%c%C%H$d(B IRC $B%5!<%P(B, $B%]%k%N%"!<%+%$%V$N%5!<%P(B, $B2L$F$K$O(B DNS $B%5!<%P$^$G<B9T$7$^$9(B. </LI> <LI><B>$BF'Bf(B</B> - $B$3$N%?%$%W$N?/F~<T$O(B, $B$"$J$?$N%7%9%F%`$r;H$C$FB>$N%7%9%F%`$K?/F~$9$k$3$H$7$+9M$($F$$$^$;$s(B. $B$"$J$?$N%7%9%F%`$N@\B3>uBV$,NI$+$C$?$j(B, $BB??t$NFbIt%7%9%F%`$K7Q$C$F$$$k%2!<%H%&%'%$$J$i$P(B, $B$3$N%?%$%W$N?/F~<T$K$h$/A@$o$l$k$+$b$7$l$^$;$s(B.</LI> </UL> <P> </LI> <LI>$B%7%9%F%`$N@H<e$5$O(B, $B$"$J$?$N%3%s%T%e!<%?$,B>$N%M%C%H%o!<%/$+$i$I$NDxEY<i$i$l$F$$$k$+$H$$$&$3$H$d(B, $BC/$+$,IT@5$J%"%/%;%9$r$9$k@x:_E*$J2DG=@-$r<($7$^$9(B. <P>$B2?<T$+$,%7%9%F%`$K?/F~$7$?>l9g(B, $B2?$,LdBj$H$J$k$N$G$7$g$&$+(B? $BEvA3$J$,$i(B, $B2HDm$+$i(B PPP $B$G%@%$%"%k%"%C%W@\B3$7$F$$$k%f!<%6$NLdBj$H(B, $B2q<R$N%^%7%s$r%$%s%?!<%M%C%H$dB>$NBg5,LO%M%C%H%o!<%/$K(B $B7R$$$G$$$k?M!9$NLdBj$O0[$J$j$^$9(B. <P>$B<:$C$?%G!<%?$rI|5l$"$k$$$O:F$S:n@.$9$k$N$K$I$l$/$i$$$N;~4V$,I,MW$G$7$g$&$+(B? $B$A$c$s$H=i4|Ej;q$r$7$F$*$1$P(B, $B8e$G<:$C$?%G!<%?$r:F:n@.$9$k$O$a$K$J$C$?$H$-$K$+$+$k;~4V$O(B 10 $BJ,$N(B 1 $B$K@aLs$G$-$^$9(B. $B%P%C%/%"%C%W$N7W2h$r%A%'%C%/$7(B, $B$"$H$G%G!<%?$N8!>Z$r$7$F$$$^$9$+(B? </LI> </UL> <P> <H2><A NAME="ss2.4">2.4 $B%;%-%e%j%F%#%]%j%7!<$N:n@.(B</A> </H2> <P>$B%f!<%6$,MF0W$KM}2r$7$F<i$k$3$H$,$G$-$k(B, $B4JC1$G0lHLE*$JJ}?K$r7h$a$^$7$g$&(B. $B$3$NJ}?K$OBg@Z$J%G!<%?$d%f!<%6$N%W%i%$%P%7!<$r<i$C$F$/$l$k$G$7$g$&(B. $B$3$l$K2C$($F9M$($k$Y$-$3$H$O(B, $BC/$,%7%9%F%`$K%"%/%;%9$G$-$k$N$+(B ($B<+J,$NM'?M$K<+J,$N%"%+%&%s%H$r;H$o$;$F$$$$$N$G$7$g$&$+(B?), $BC/$,%7%9%F%`$K%=%U%H%&%'%"$r%$%s%9%H!<%k$9$k$3$H$,$G$-$k$N$+(B, $BC/$,$I$N%G!<%?$r=jM-$9$k$N$+(B, $B$=$l$+$i;v8N;~$NI|5l$d%7%9%F%`$NE,@Z$J;H$$$+$?$K$D$$$F$G$9(B. <P>$B0lHL$K<u$1F~$l$i$l$F$$$k%;%-%e%j%F%#%]%j%7!<$O<!$N8@MU$+$i;O$^$j$^$9(B. <P> <BLOCKQUOTE> <B> "$B5v$5$l$F$$$J$$$3$H$O6X;_$5$l$F$$$k(B"</B> </BLOCKQUOTE> <P>$B$3$l$O(B, $B$"$k%5!<%S%9$r%f!<%6$KBP$7$FG'$a$F$$$J$$>l9g(B, $B5v2D$r=P$9$^$G$O%f!<%6$O$=$N%5!<%S%9$r;H$&$Y$-$G$O$J$$$H$$$&$3$H$G$9(B. $B@55,%f!<%6%"%+%&%s%H$KE,MQ$9$k%]%j%7!<$r3NG'$7$^$7$g$&(B. $B!V$($C$H(B, $B%Q!<%_%C%7%g%s$NLdBj$,$o$+$i$J$$$N$G(B, root $B$G<B9T$7$h$&!W(B $B$J$I$H8@$&$3$H$O(B, $BL@$i$+$J%;%-%e%j%F%#%[!<%k$K$J$j$^$9$7(B, $B:#$^$GIT@5;HMQ$5$l$?$3$H$N$J$$%;%-%e%j%F%#%[!<%k$K$5$($J$k$+$b$7$l$^$;$s(B. <P> <A HREF="ftp://core.ring.gr.jp/pub/doc/RFC/rfc1244.txt">rfc1244</A> $B$OFH<+$N%M%C%H%o!<%/%;%-%e%j%F%#%]%j%7!<$r:n$k$?$a$N;X?K$,(B $B=q$+$l$?%I%-%e%a%s%H$G$9(B. <P> <A HREF="ftp://core.ring.gr.jp/pub/doc/RFC/rfc1281.txt">rfc1281</A> $B$O%;%-%e%j%F%#%]%j%7!<$NNc$r<($7$?%I%-%e%a%s%H$G$"$j(B, $B3F%9%F%C%W$N>\:Y$J@bL@$,IU$$$F$$$^$9(B. <P>$B:G8e$K(B, <A HREF="ftp://coast.cs.purdue.edu/pub/doc/policy">ftp://coast.cs.purdue.edu/pub/doc/policy</A> $B$K$"$k(B COAST $B%]%j%7!<%"!<%+%$%V$rD4$Y(B, $B<B@83h$G$N%;%-%e%j%F%#%]%j%7!<$,$I$N$h$&$J$b$N$+$r8+$k$HNI$$$G$7$g$&(B. <P> <H2><A NAME="ss2.5">2.5 $B<+J,$N%5%$%H$r0BA4$K$9$k$3$H$N0U5A(B</A> </H2> <P>$BK\%I%-%e%a%s%H$G$O(B, $B$"$J$?$,:n$C$F$-$?5.=E$J:b;:(B ($B%m!<%+%k%^%7%s(B, $B%G!<%?(B, $B%f!<%6(B, $B%M%C%H%o!<%/(B, $B$"$J$?$NI>H=(B) $B$r<i$k$?$a$NJ}K!$r5DO@$7$^$9(B. $B?/F~<T$,$"$J$?$N%f!<%6$N%G!<%?$r>C$7$F$7$^$C$?$i(B, $B$"$J$?$NI>H=$O$I$&$J$k$G$7$g$&(B? $B$"$J$?$N%&%'%V%Z!<%8$KMn=q$-$r$5$l$F$7$^$C$?$i$I$&$J$k$G$7$g$&(B? $B$^$?(B, $B$"$J$?$N2q<R$N<!$N;MH>4|$N7W2h$r$P$i$5$l$F$7$^$C$?$i(B? $B%M%C%H%o!<%/$N%$%s%9%H!<%k$r9M$($F$$$k$J$i$P(B, 1 $BBf$N%^%7%s$r%M%C%H%o!<%/$K$D$J$0A0$K(B, $B9MN8$9$Y$-MWAG$O$?$/$5$s$"$j$^$9(B. <P>$B$"$J$?$,%@%$%"%k%"%C%W(B PPP $B%"%+%&%s%H$r;H$C$F$$$?$j(B, $B$4$/>.5,LO$J%5%$%H$r1?1D$7$F$$$k>l9g$G$"$C$F$b(B, $B?/F~<T$,$"$J$?$N%7%9%F%`$K6=L#$r;}$?$J$$$H$O8B$j$^$;$s(B. $BI8E*$K$5$l$k$N$O(B, $BBg5,LO$GM-L>$J%5%$%H$@$1$G$O$"$j$^$;$s(B. $BB?$/$N?/F~<T$O5,LO$K4X78$J$/$G$-$k$@$1B?$/$N%5%$%H$rIT@5;HMQ$7$h$&$H$7$^$9(B. $B2C$($F(B, $B?/F~<T$O$"$J$?$,@\B3$9$k@h$N%5%$%H$K%"%/%;%9$9$k$?$a(B, $B$"$J$?$N%5%$%H$N%;%-%e%j%F%#%[!<%k$rFM$/$+$b$7$l$^$;$s(B. <P>$B?/F~<T$O;~4V$r;}$FM>$7$F$*$j(B, $B$"$J$?$,$I$s$J$K%7%9%F%`$r1#JC$7$F$b(B, $B?dB,$9$k$N$G$O$J$/(B, $BC1$KA4$F$N2DG=@-$r;n$7$F$7$^$$$^$9(B. $B?/F~<T$,$"$J$?$N%7%9%F%`$K6=L#$r;}$DM}M3$OB>$K$b$?$/$5$s$"$j$^$9$,(B, $B$=$l$K$D$$$F$O8e$G5DO@$7$^$9(B. <P> <P> <H3>$B%[%9%H$N%;%-%e%j%F%#(B</H3> <P>$B4IM}<T$,:G$b=8Cf$9$k%;%-%e%j%F%#$NJ,Ln$O(B, $B$*$=$i$/8D!9$N%[%9%H$K4p$E$/ItJ,$G$7$g$&(B. $B$3$l$O4pK\E*$K(B, $B<+J,<+?H$N%7%9%F%`$N0BA4$r3NJ]$7(B, $B<+J,$N%M%C%H%o!<%/>e$NB>$N%[%9%H$bF1MM$G$"$m$&$H4|BT$9$k$3$H$G$9(B. $BNI$$%Q%9%o!<%I$rA*$S(B, LAN $B$X$N%5!<%S%9$r0BA4$K9T$$(B, $B$-$A$s$H%m%0$r<h$j(B, $B%;%-%e%j%F%#$KLdBj$,$"$k$3$H$,CN$i$l$F$$$k%W%m%0%i%`$N(B $B%P!<%8%g%s%"%C%W$r9T$&$N$O(B, $B%m!<%+%k$N%M%C%H%o!<%/4IM}<T$,@UG$$r;}$C$F9T$&$Y$-$3$H$G$9(B. $B$3$l$O@dBP$KI,MW$J$3$H$J$N$G$9$,(B, $B%M%C%H%o!<%/$N5,LO$,?tBf5,LO$h$jBg$-$/$J$k$H<B;\$,BgJQ$K$J$C$F$7$^$$$^$9(B. <P> <H3>$B%m!<%+%k!&%M%C%H%o!<%/$N%;%-%e%j%F%#(B</H3> <P>$B%M%C%H%o!<%/$N%;%-%e%j%F%#$O(B, $B<j85$K$"$k%[%9%H$N%;%-%e%j%F%#$HF1$8$/I,MW$J$3$H$G$9(B. $B2?I4(B, $B2?@i(B, $B$"$k$$$O$=$l0J>e$N%3%s%T%e!<%?$,F1$8%M%C%H%o!<%/$K$"$k>l9g(B, $B$=$N$=$l$>$l$,0BA4$G$"$k$H?.Mj$9$k$3$H$O$G$-$^$;$s(B. $B5v2D$5$l$?%f!<%6$7$+<+J,$N%M%C%H%o!<%/;q8;$K%"%/%;%9$G$-$J$$$h$&$K$7(B, $BKI2PJI$r9=C[$7(B, $B6/NO$J0E9f$r;HMQ$7(B, $B!V$?$A$N0-$$!W%^%7%s$d0BA4$G$J$$%^%7%s$,%M%C%H%o!<%/>e$KL5$$$h$&$K$9$k$3$H$O(B, $BA4$F%M%C%H%o!<%/4IM}<T$NG$L3$G$9(B. <P>$BK\%I%-%e%a%s%H$G$O%5%$%H$r0BA4$K$9$k$?$a$K;H$o$l$k5;=Q$N$$$/$D$+$K$D$$$F5DO@$7(B, $B<i$k$Y$-$b$N$r?/F~<T$K%"%/%;%9$5$;$J$$$h$&$K$9$kJ}K!$r$$$/$D$+<($7$^$9(B. <P> <H3>$B1#JC$K$h$k%;%-%e%j%F%#(B</H3> <P>$B5DO@$9$Y$-%;%-%e%j%F%#$N%?%$%W$N(B 1 $B$D$O!V1#JC$K$h$k%;%-%e%j%F%#!W$G$9(B. $B$3$l$ONc$($P(B, $B%;%-%e%j%F%#E*$J<eE@$,CN$i$l$F$$$k%5!<%S%9$rI8=`$G$J$$%]!<%H$K0\F0$5$;(B, $B967b<T$KB8:_$,$P$l$J$$$h$&$K$7$F0-MQ$rHr$1$h$&$H$9$k$b$N$G$9(B. $B$3$N$h$&$J$b$N$O?4G[$7$J$/$F$b967b<T$,8+$D$1$F0-MQ$7$F$/$l$^$9(B. $B1#JC$K$h$k%;%-%e%j%F%#$O(B, $B%;%-%e%j%F%#E*$K$OA4$/L50UL#$G$9(B. $BC1$K>.5,LO$J%5%$%H$dHf3SE*L5L>$J%5%$%H$G$"$k$+$i$H$$$C$F(B, $B?/F~<T$,$"$J$?$N;}$C$F$$$k$b$N$K6=L#$r;}$?$J$$$o$1$G$O$"$j$^$;$s(B. $B<!$N>O$G(B, $B$"$J$?$,<i$k$b$N$K$D$$$F5DO@$7$^$9(B. <P> <H2><A NAME="ss2.6">2.6 $BK\%I%-%e%a%s%H$N9=@.(B</A> </H2> <P>$BK\%I%-%e%a%s%H$O$$$/$D$b$N>O$KJ,$+$l$F$$$^$9(B. $B3F>O$G%;%-%e%j%F%#$N$*$*$^$+$JOCBj$r2!$5$($^$9(B. $B:G=i$NOCBj$O(B <A HREF="Security-HOWTO-3.html#physical-security">$BJ*M}E*$J%;%-%e%j%F%#(B</A>$B$G(B, $B%^%7%s$=$N$b$N$rJ*M}E*$K$$$8$i$l$J$$$h$&$K$9$k$?$a$NJ}K!$G$9(B. $BBh(B 2 $B$NOCBj$O(B <A HREF="Security-HOWTO-4.html#local-security">$B%m!<%+%k$N%;%-%e%j%F%#(B</A>$B$G(B, $B%m!<%+%k%f!<%6$,%7%9%F%`$r2~cb$9$k$N$rKI$0J}K!$G$9(B. 3 $BHVL\$NOCBj$O(B <A HREF="Security-HOWTO-5.html#file-security">$B%U%!%$%k$H%U%!%$%k%7%9%F%`$N%;%-%e%j%F%#(B</A> $B$G(B, $B%U%!%$%k%7%9%F%`$H%U%!%$%k$N%Q!<%_%C%7%g%s$N@_Dj$NJ}K!$r<($7$^$9(B. $B<!$NOCBj$O(B <A HREF="Security-HOWTO-5.html#password-security">$B%Q%9%o!<%I$N%;%-%e%j%F%#$H0E9f2=(B</A>$B$G(B, $B%^%7%s$d%M%C%H%o!<%/$r$h$j0BA4$K$9$k$?$a$N0E9f$N;H$$J}$r5DO@$7$^$9(B. <A HREF="Security-HOWTO-6.html#kernel-security">$B%+!<%M%k$N%;%-%e%j%F%#(B</A>$B$G$O(B, $B%^%7%s$r$h$j0BA4$K$9$k$?$a$K@_Dj$"$k$$$O(B $B0U<1$9$Y$-%+!<%M%k%*%W%7%g%s$K$D$$$F5DO@$7$^$9(B. <A HREF="Security-HOWTO-7.html#network-security">$B%M%C%H%o!<%/$N%;%-%e%j%F%#(B</A>$B$G$O(B, Linux $B%7%9%F%`$r30It%M%C%H%o!<%/$+$i$N967b$KBP$7$F(B $B$h$j0BA4$K$9$kJ}K!$r2r@b$7$^$9(B. <A HREF="Security-HOWTO-8.html#secure-prep">$B%;%-%e%j%F%#$N=`Hw(B</A>$B$G$O(B, $B%^%7%s$r%M%C%H%o!<%/$K7R$0A0$N=`Hw$N$d$j$+$?$K$D$$$F5DO@$7$^$9(B. $B<!$N(B <A HREF="Security-HOWTO-9.html#after-breakin">$B%7%9%F%`$K?/F~$5$l$?(B/$B$5$l$F$$$k>l9g$NBP1~(B</A> $B$G$O(B, $B%7%9%F%`$K?/F~$5$l$D$D$"$k$3$H$d(B $B?/F~$,:G6a$K5/$3$C$?$3$H$K5$$E$$$?>l9g$K$9$Y$-$3$H$r5DO@$7$^$9(B. <A HREF="Security-HOWTO-10.html#sources">$B%;%-%e%j%F%#$K4X$9$k>pJs8;(B</A>$B$G$O(B, $B%;%-%e%j%F%#$K4X$9$k4pK\E*$J>pJs8;$r$$$/$D$+<($7(B, Q & A $B$N>O$G$"$k(B <A HREF="Security-HOWTO-12.html#q-and-a">$B$h$/J9$+$l$k<ALd(B</A> $B$G$O$h$/J9$+$l$k<ALd$$$/$D$+$KBP$9$k2sEz$r<($7$^$9(B. $B:G8e$K(B <A HREF="Security-HOWTO-13.html#conclusion">$B:G8e$K(B</A> $B$K$F7k$S$N8@MU$r=R$Y$^$9(B. <P>$BK\%I%-%e%a%s%H$rFI$s$GM}2r$7$F$$$?$@$-$?$$%]%$%s%H$O<g$K(B 2 $B$D$"$j$^$9(B. <P> <UL> <LI>$B%7%9%F%`$KCm0U$rJ'$$$^$7$g$&(B. <CODE>/var/log/messages</CODE> $BEy$N%7%9%F%`%m%0$r%A%'%C%/$7(B, $B%7%9%F%`$r8+D%$j$^$7$g$&(B. </LI> <LI>$B:G?7%P!<%8%g%s$N%=%U%H%&%'%"$r%$%s%9%H!<%k$7(B, $B%;%-%e%j%F%#$N7Y9p$,=P$5$l$l$P%=%U%H%&%'%"$r%"%C%W%0%l!<%I$7$F(B, $B%7%9%F%`$r>o$K:G?7$N>uBV$K$7$^$7$g$&(B. $BC1=c$K$3$&$9$k$@$1$G(B, $B%7%9%F%`$O7`E*$K0BA4$K$J$j$^$9(B. </LI> </UL> <P> <HR> <A HREF="Security-HOWTO-3.html">$B<!$N%Z!<%8(B</A> <A HREF="Security-HOWTO-1.html">$BA0$N%Z!<%8(B</A> <A HREF="Security-HOWTO.html#toc2">$BL\<!$X(B</A> </BODY> </HTML>
