<?xml version="1.0" encoding="iso-2022-jp" ?>

<!DOCTYPE manualpage SYSTEM "/style/manualpage.dtd">

<?xml-stylesheet type="text/xsl" href="/style/manual.ja.xsl"?>

<manualpage metafile="dns-caveats.xml.meta">

<title>DNS $B$H(B Apache $B$K$^$D$o$kCm0U;v9`(B</title>

<summary>

<p>$BK\J8=q$NFbMF$O<!$N0l8@$K?T$-$^$9!#!V(BApache $B$,@_Dj%U%!%$%k$rFI$_9~$`$H$-$K(B

DNS $B$r;HMQ$9$kI,MW$,$J$$$h$&$K$7$F2<$5$$!W!#(BApache $B$,@_Dj%U%!%$%k$r(B

$BFI$_9~$`$H$-$K(B DNS $B$r;HMQ$9$kI,MW$,$"$k>l9g!"?.Mj@-$NLdBj(B

($B5/F0$7$J$$$+$b$7$l$^$;$s(B) $B$d%5!<%S%95qH]$dEpMQ%"%?%C%/(B

<p>Apache $B$,@5>o$K5!G=$9$k$K$O!"%P!<%A%c%k%[%9%HKh$KI,$:Fs$D$N(B

$B>pJs$,I,MW$K$J$j$^$9!#$=$l$O!"(B

<directive module="core">ServerName</directive>

$B$H!"$=$N%5!<%P$,1~Ez$9$k$?$a$N(B IP ($B:GDc0l$D(B) $B$G$9!#(B

$B>e5-Nc$G$O(B IP $B%"%I%l%9$r4^$s$G$$$^$;$s$N$G!"(BApache $B$O(B DNS

$B$r;HMQ$7$F(B <code>www.abc.dom</code> $B$r8+$D$1$J$1$l$P$J$j$^$;$s!#(B

$B2?$i$+$NM}M3$G@_Dj%U%!%$%k$rFI$_9~$s$G$$$k$H$-$K(B DNS

$B$,MxMQ$G$-$J$+$C$?>l9g!"(B

$B%P!<%A%c%k%[%9%H$O(B<strong>$B@_Dj$5$l$^$;$s(B</strong>$B!#(B

$B$=$7$F!"$=$N%P!<%A%c%k%[%9%H$KBP$9$k%R%C%H$K$O1~Ez$,$J$5$l$^$;$s(B

(Apache 1.2 $B0JA0$G$O5/F0$9$i$7$^$;$s(B)$B!#(B</p>

<p><code>www.abc.dom</code> $B$N%"%I%l%9$,(B 10.0.0.1

$B$@$H$7$^$9!#$G$O!"<!$N@_Dj$K$D$$$F9M$($F$_$^$7$g$&!#(B</p>

<example>

&lt;VirtualHost 10.0.0.1&gt; <br />

ServerAdmin webgirl@abc.dom <br />

DocumentRoot /www/abc <br />

&lt;/VirtualHost&gt;

</example>

<p>$B8=:_$N%j%j!<%9$G$O(B Apache $B$O(B DNS $B5U0z$-$r;HMQ$7$F(B

$B$3$N%P!<%A%c%k%[%9%H$N(B <directive module="core">ServerName</directive>

$B$r8+$D$1$^$9!#(B

$B$=$N5U0z$-$,<:GT$7$?>l9g$OItJ,E*$K%P!<%A%c%k%[%9%H$rL58z$K$7$^$9(B

(Apache 1.2 $B$h$jA0$G$O5/F0$9$i$7$^$;$s(B)$B!#(B

$B%P!<%A%c%k%[%9%H$,L>A0%Y!<%9$G$"$l$P40A4$KL58z$K$J$j$^$9$,!"(B

IP $B%Y!<%9$G$"$l$P35$MF0:n$7$^$9!#$7$+$7$J$,$i!"%5!<%PL>$r(B

$B4^$`40A4$J(B URL $B$r@8@.$7$J$1$l$P$J$i$J$$>l9g$O!"@5$7$$(B URL

$B$N@8@.$,$G$-$^$;$s!#(B</p>

<p>$B<!$NNc$O>e5-$NLdBj$r2r7h$7$F$$$^$9!#(B</p>

<example>

&lt;VirtualHost 10.0.0.1&gt; <br />

ServerName www.abc.dom <br />

ServerAdmin webgirl@abc.dom <br />

DocumentRoot /www/abc <br />

&lt;/VirtualHost&gt;

</example>

</section>

<section id="denial">

<title>$B%5!<%S%95qH](B</title>

<p>$B%5!<%S%95qH]$,5/$3$k>l9g!"(B($B>/$J$/$H$b(B) $BFs$D$N%1!<%9$,$"$j$^$9!#(B

Apache 1.2 $B$h$jA0$r<B9T$7$F$$$k>l9g!"%P!<%A%c%k%[%9%H$N$?$a$N(B

$B>e5-$NFs$D$N(B DNS $B8!:w$N$&$A0l$D<:GT$9$l$P5/F0$9$i$7$^$;$s!#(B

$B$=$7$F$3$N(B DNS $B8!:w$,<+J,$N@)8f2<$K$9$i$J$$>l9g$b$"$j$($^$9!#(B

$BNc$($P!"(B<code>abc.dom</code> $B$,8\5R$N%5!<%P$N0l$D$G!"(B

DNS $B$O8\5R<+?H$G4IM}$7$F$$$k>l9g!"C1$K(B

<code>www.abc.dom</code> $B%l%3!<%I$r:o=|$9$k$@$1$G!"(B

<p>$B$b$&0l$D$N%1!<%9$O!"$h$j5$IU$-$K$/$$$b$N$G$9!#(B

$B<!$N@_Dj$K$D$$$F9M$($F$_$^$7$g$&!#(B</p>

<example>

&lt;VirtualHost www.abc.dom&gt; <br />

&nbsp;&nbsp;ServerAdmin webgirl@abc.dom <br />

&nbsp;&nbsp;DocumentRoot /www/abc <br />

&lt;/VirtualHost&gt; <br />

<br />

&lt;VirtualHost www.def.dom&gt; <br />

&nbsp;&nbsp;ServerAdmin webguy@def.dom <br />

&nbsp;&nbsp;DocumentRoot /www/def <br />

&lt;/VirtualHost&gt;

</example>

<p>10.0.0.1 $B$r(B <code>www.abc.dom</code> $B$K!"(B

10.0.0.2 $B$r(B <code>www.def.dom</code> $B$K3d$jEv$F$F$$$k$H$7$^$9!#(B

$B$^$?!"(B<code>def.dom</code> $B$O8\5R<+?H$N(B DNS

$B$N@)8f2<$K$"$k$H$7$^$9!#$3$N@_Dj$G!"(B<code>abc.dom</code>

$B$K8~$1$i$l$?%H%i%U%#%C%/A4$F$rC%$&$3$H$,$G$-$k0LCV$K(B

<code>def.dom</code> $B$r@_CV$G$-$F$$$^$9!#8e$OC1$K(B

<code>www.def.dom</code> $B$,(B 10.0.0.1 $B$r;2>H$9$k$h$&$K(B

$B@_Dj$9$k$@$1$G$9!#(BDNS $B$O8\5RB&$N(B DNS $B$G%3%s%H%m!<%k$5$l$F$$$k$N$G!"(B

$B$O!"(B<code>def.dom</code> $B%P!<%A%c%k%[%9%H$G1~Ez$5$l$^$9!#(B

$B$3$N$h$&$J$3$H$,2?8N5/$3$k$+$b$C$HNI$/CN$k$?$a$K$O!"(B

$B1~Ez$NI,MW$J%P!<%A%c%k%[%9%H$X$N%j%/%(%9%H$KBP$7$F!"(B

Apache $B$,$I$N$h$&$K@09g@-$r3NJ]$9$k$+$K$D$$$F!"(B

href="vhosts/details.html">$B$3$A$i(B</a>$B$K5-=R$5$l$F$$$^$9!#(B</p>

<title>$B!V<g%5!<%P!W%"%I%l%9(B</title>

<p>Apache 1.1 $B$G$N(B <a href="vhost/name-based.html"

>$BL>A0%Y!<%9$N%P!<%A%c%k%[%9%H$N%5%]!<%H(B</a> $BDI2C$N:]$K!"(B

Apache $B$O(B <program>httpd</program> $B$N<B9T$5$l$F$$$k%[%9%H$N(B IP

$B%"%I%l%9$rCN$kI,MW$,=P$F$-$^$7$?!#$3$N%"%I%l%9$rF@$k$?$a$K!"(B

($B$b$7$"$l$P(B) $B%0%m!<%P%k$J(B

<directive module="core">ServerName</directive> $B$r;HMQ$9$k$+!"(B

C $B8@8l$N4X?t(B <code>gethostname</code> ($B%3%^%s%I%W%m%s%W%H$G(B

<code>hostname</code> $B$H%?%$%W$7$?$H$-$HF1$8$b$N$rJV$7$^$9(B)

$B$r8F$S=P$9$+$r$7$^$9!#(B

$B$=$N8e!"F@$i$l$?%"%I%l%9$G(B DNS $B8!:w$r9T$J$$$^$9!#(B

$B8=:_$N$H$3$m!"$3$N(B DNS $B8!:w$r2sHr$9$kJ}K!$O$"$j$^$;$s!#(B</p>

<p>DNS $B%5!<%P$,%@%&%s$7$F!"$3$N8!:w$,$G$-$J$$;vBV$,5/$3$k$3$H$r(B

$B62$l$F$$$k$N$G$"$l$P!"(B<code>/etc/hosts</code>

$B$=$N>l9g!"(BDNS $B;2>H$,<:GT$7$?>l9g$K%^%7%s$,(B <code>/etc/hosts</code>

$B$r;HMQ$9$k$h$&$K@_Dj$7$F$$$k$3$H$r3NG'$7$F$/$@$5$$!#(B

$B$=$NJ}K!$O!"$I$N(B OS $B$r;HMQ$7$F$$$k$+$K0MB8$7$^$9$,!"(B

<code>/etc/resolv.conf</code> $B$+(B <code>/etc/nsswitch.conf</code>

$B$rJT=8$9$k$3$H$G@_Dj$G$-$^$9!#(B</p>

<p>$B$b$7B>$NM}M3$G(B DNS $B$rMxMQ$9$kI,MW$,$J$$>l9g$O!"(B

<code>HOSTRESORDER</code> $B4D6-JQ?t$r!V(B <code>local</code>

$B!W$K@_Dj$9$k$3$H$G$=$N$h$&$K$G$-$^$9!#0J>e$3$l$i$N;vJA$O!"$I$s$J(B

OS $B!"%l%>%k%P%i%$%V%i%j$r;HMQ$7$F$$$k$+$K0MB8$7$^$9!#$^$?!"(B

<module>mod_env</module> $B$r;HMQ$7$F4D6-JQ?t$r@)8f$7$J$$8B$j!"(B

CGI $B$K$b1F6A$rM?$($^$9!#(Bman $B%Z!<%8$d;HMQ$7$F$$$k(B OS

$B$N(B FAQ $B$GD4$Y$k$HNI$$$G$7$g$&!#(B</p>

</section>

<section id="tips">

<title>$B0J>e$NLdBj$r2r7h$9$kJ}K!(B</title>

<ul>

<li>

<directive module="core">VirtualHost</directive>

$B$G(B IP $B%"%I%l%9$r;HMQ$9$k!#(B

</li>

<li>

<directive module="mpm_common">Listen</directive>

$B$G(B IP $B%"%I%l%9$r;HMQ$9$k!#(B

</li>

<li>

$BA4$F$N%P!<%A%c%k%[%9%H$,L@<(E*$K(B

<directive module="core">ServerName</directive>

$B$r;}$D$h$&$K$9$k!#(B

</li>

<li>$B2?$b1~Ez$7$J$$(B

<code>&lt;VirtualHost _default_:*&gt;</code>

$B%5!<%P$r:n$k!#(B</li>

</ul>

</section>

<section id="appendix">

<title>$BIUO?(B: $B>-MhE*$JJ}8~@-(B</title>

<p>DNS $B$K4X$7$F!"8=>u$OA4$/59$7$/$"$j$^$;$s!#(BApache 1.2 $B$G!"(B

DNS $B$N%$%Y%s%H$,<:GT$7$F$b>/$J$/$H$b5/F0%W%m%;%9$,B3$/$h$&$K$7$^$7$?$,!"(B

$B$3$l$,:G9b$N2r7hJ}K!$G$O$J$$$G$7$g$&!#%"%I%l%9$N:F3d$jEv$F$,I,MWIT2DHr(B

$B$H$J$C$F$$$k:#F|$N%$%s%?!<%M%C%H$K$*$$$F$O!"(B

$B@_Dj%U%!%$%k$NCf$GL@<(E*$J(B IP $B%"%I%l%9$rMW5a$9$k;EMM$O!"(B

$BA4$/59$7$/$"$j$^$;$s!#(B</p>

<p>$BEpMQ$N%5!<%S%9%"%?%C%/$K4X$7$F9T$J$&$Y$-;v$O!"(B

DNS $B=g0z$-$r9T$J$C$FF@$i$l$?%"%I%l%9$KBP$9$k(B DNS

$B5U0z$-$r9T$J$C$F!"Fs$D$NL>A0$rHf3S$9$k$3$H$G$9!#(B

$B$3$NFs$D$,0lCW$7$J$1$l$P%P!<%A%c%k%[%9%H$OL58z$K$J$k$h$&$K$7$^$9!#(B

$B$3$&$9$k$?$a$K$O5U0z$-(B DNS $B$,E,@Z$K@_Dj$5$l$F$$$kI,MW$,$"$j$^$9(B

$B$J$C$F$$$^$9$N$G!"4IM}<T$K$O$*Fk@w$_$b$N$G$7$g$&(B)$B!#(B</p>

<p>IP $B%"%I%l%9$,;HMQ$5$l$F$$$J$/$F(B DNS $B$,<:GT$7$?>l9g$O!"(B

$B$I$&$7$F$b%P!<%A%c%k%[%9%H%&%'%V%5!<%P$r?.Mj@-$r3NJ]$7$F(B

$B$3$N>l9g!"%&%'%V%5!<%P$O@_DjCf$K(B DNS $B;2>H$r$7$J$/$F$b:Q$_$^$9!#(B

$B$7$+$7(B 1997 $BG/(B 3 $B7n;~E@$N>u67$G$O!"(B

$B>&MQ%l%Y%k$N%&%'%V%5!<%P$G;HMQ$G$-$k$[$I$K$O!"(B