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<p class="menu"><a href="../mod/">⥸塼</a> | <a href="../mod/directives.html">ǥ쥯ƥ</a> | <a href="../faq/">FAQ</a> | <a href="../glossary.html">Ѹ</a> | <a href="../sitemap.html">ȥޥå</a></p>
<p class="apache">Apache HTTP С 2.2</p>
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<div id="preamble"><h1>Apache ⥸塼 mod_unique_id</h1>
<div class="toplang">
<p><span>Available Languages: </span><a href="../en/mod/mod_unique_id.html" hreflang="en" rel="alternate" title="English"> en </a> |
<a href="../ja/mod/mod_unique_id.html" title="Japanese"> ja </a> |
<a href="../ko/mod/mod_unique_id.html" hreflang="ko" rel="alternate" title="Korean"> ko </a></p>
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<table class="module"><tr><th><a href="module-dict.html#Description">:</a></th><td>줾ΥꥯȤФդʼ̻ҤäĶѿ
</td></tr>
<tr><th><a href="module-dict.html#Status">ơ:</a></th><td>Extension</td></tr>
<tr><th><a href="module-dict.html#ModuleIdentifier">⥸塼뼱̻:</a></th><td>unique_id_module</td></tr>
<tr><th><a href="module-dict.html#SourceFile">ե:</a></th><td>mod_unique_id.c</td></tr></table>
<h3></h3>
<p>Υ⥸塼¤줿ﲼǡ
줾ΥꥯȤˡ֤٤ơפΥꥯȤФ
դ˷ޤ뤳ȤݾڤƤˡΥȡޤ
ΰդʼ̻ҤϡŬڤꤵ줿饹Ǥʣ
ޥδ֤Ǥդˤʤޤ줾ΥꥯȤФƴĶѿ
<code>UNIQUE_ID</code> ˼̻Ҥꤵޤ
դʼ̻ҤͳϤޤ
ΥɥȤŪϳ뤿ᡢǤޤ</p>
</div>
<div id="quickview"><h3 class="directives">ǥ쥯ƥ</h3>
<p>Υ⥸塼˥ǥ쥯ƥ֤Ϥޤ</p>
<h3>ȥԥå</h3>
<ul id="topics">
<li><img alt="" src="../images/down.gif" /> <a href="#theory"></a></li>
</ul></div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="section">
<h2><a name="theory" id="theory"></a></h2>
<p>ޤϤˡApache Ф Unix
ޥǤɤΤ褦ư뤫ñޤ
εǽϸǤ Windows NT ǤϥݡȤƤޤ
Unix ޥǤ Apache ϤĤλҥץ
λҥץĤĥꥯȤޤ줾λҥץϡ
¸ʣΥꥯȤȤǤޤ
εǤϻҥץ֤ǤϰڥǡͭʤȤˤޤ
ʸ塢λҥץΤȤ <dfn>httpd ץ</dfn> ȸƤӤޤ</p>
<p>ʤΥ֥ȤˤϤʤ뤤ĤΥޥȤޤ
ޤȤƥ饹ȸƤ֤Ȥˤޤ줾Υޥʣ
Apache ¹Ԥ뤳ȤǤޤ
餹٤ƤޤȤΤֱפǤȹͤޤ
Ĥββǡ饹Υޥ֤̿뤳Ȥʤ
αǤ줾ΥꥯȤ˰դʼ̻ҤǤ뤳Ȥޤ
</p>
<p>饹ˤޥϰʲʤФʤޤ
(ޥĤȤƤ⡢NTP ǻפ碌ɤǤ)</p>
<ul>
<li>NTP ¾Υͥåȥǻ֤碌ץȥˤä
ƥޥλ֤ƱƤ뤳ȡ</li>
<li>⥸塼뤬ۥ̾ư㤦 IP
ɥ쥹뤳ȤǤ褦ˡ
饹Τ줾ΥޥΥۥ̾㤦ȡ</li>
</ul>
<p>ڥ졼ƥƥˤƤϡpid (ץ ID)
32 ӥåȤϰǤ뤳Ȥꤷޤڥ졼ƥƥ
pid 32 ӥåȤĶϡñʽǤϤޤ
ɤѹɬפޤ</p>
<p>β꤬Ƥȡˤơ
饹ΤɤΥޥΤɤ httpd
ץǤ⡢դƱꤹ뤳ȤǤޤϥޥ IP
ɥ쥹 httpd ץ pid ǽʬ˹ԤʤȤǤޤ
Ǥ顢ꥯȤ˰դʼ̻Ҥ뤿ˤϡ
̤ɬפǤ</p>
<p>̤뤿ˡUnix Υॹ (UTC 1970 ǯ
1 1 ÿ) ȡ16 ӥåȤΥȤޤ
ॹפγ٤ϰäǤΤǡô֤ 65536
ޤǤͤɽ뤿˥ѤޤͤĤ
<em>( ip_addr, pid, time_stamp, counter )</em> dz httpd
ץǰäδ֤ 65536 ꥯȤ뤳ȤǤޤ
֤ФĤ pid ѤȤ꤬ޤ
褹뤿˥Ѥޤ</p>
<p>httpd λҥץȡ
(λΥޥ 10) modulo 65536 ǽޤ
(μϤĤΥƥˤ롢ޥä
ޤβ̥ӥåȤۤʤȤ褹뤿Фޤ)
դʼ̻Ҥ줿ȤѤ륿ॹפ
֥Ф˥ꥯȤ夷ˤʤޤ
ϼ̻Ҥ뤿Ӥäޤ
(դ줿 0 ޤ)</p>
<p>ͥϥץեȡ줾ΥץΤ
pid ޤpid Ϸ֤뤳ȤĤƤޤ
(pid ͤ¿ Unix Ǥ 16 ӥåȤǤƥǤ
32 ӥåȤ˳ĥƤޤ)
Ǥ顢٤λ֤в᤹Ʊ pid ƤӻѤޤ
˺ƻѤʤС
ͤĤͤΰݤޤĤޤꡢ桹ϥƥबô
65536 ĤΥץưʤȲꤷƤޤ (Ĥ Unix
Ǥ 32768 ץǤǤۤȤɤʤǤ礦)</p>
<p>餫ͳǡƱ郎֤줿Ȥޤ礦
ĤޤꡢƥλפäƤơ⤦ٲλˤʤäƤޤä
(⤷ϿʤߤƤȤˡ
ᤷ˺ƤӾλˤʤäƤޤä) Ȥޤ
ξ硢pid ȥॹפƻѤ뤳Ȥñ˼ޤ
Ѥδؿϡβ褦Ƥޤ
ϥν뤿˥ʿȤΤǤ
ۤȤɤΥƥǤϴñ˻ѤǤ̵ȤդƤ
(<em>ʤ</em>rand ()ϻȤޤrand () ˤ seed
Ϳɬפꡢseed ˤϻȤޤñ̤Ǥϡ
λϤǤ˷֤Ƥ뤫Ǥ)
ϡкǤϤޤ</p>
<p>кϤɤΤ餤̤Ǥ礦?
ǤϡޥΰĤϺǰä 500
ꥯȤȲꤷޤ (ƤǤʾ¤Ǥ
̾亮ƥब뤳ȤŪʥեǤϤޤ)
ԤʤˡΥޥ¹Ԥ륯饤Ȥο
λҥץᤷޤ
ʤ顢Ū˹ͤơĤλҥץä 500
ꥯȤȤޤȡ(ä٤ˤ)
郎Ʊ֤ȡλҥץͤƤӻȤ
ǽ 1.5% ޤ
ŪǡͤǤϡۤȤɵꤽˤޤ
Ǥ⤳줬ǽΤ褦ʥƥʤ顢
(ץॳɤԽ)
32 ӥåȤˤΤɤǤ礦
</p>
<p>ޡˤפᤵפȤˤƤͤ
뤫⤷ޤǻѤ֤ UTC Ǥꡢ
ϡ־ˡʤΤǤǤˤʤޤx86 Unix
ϤξŬڤ꤬ɬפ⤷ʤȤ
դƤޥܡɤλפ UTC ˤʤäƤơ
¾λ֤ϤŬڤ뤳ȤǤ褦
ꤵʤФʤޤΤ褦ʾǤNTP
ȤäƤʤХ֡ȸˤ UTC λ֤ˤʤǤ礦</p>
<p><code>UNIQUE_ID</code> Ķѿ 112 ӥå (32 ӥå IP
ɥ쥹32 ӥå pid, 32 ӥåȥॹס16
ӥåȥλͤĤ) ե٥å <code>[A-Za-z0-9@-]</code>
Ѥ MIME base64 沽Ʊͤˡˤ沽19
ʸ뤳ȤˤޤMIME base64
Υե٥åȤϼºݤ <code>[A-Za-z0-9+/]</code> Ǥ
<code>+</code> <code>/</code> Ȥ URL
Ǥ̤沽ɬפʤΤǡޤ˾ޤޤ
ƤͤϥͥåȥХȥ沽ޤΤǡ
ϰäХȥΥƥ֤ӲǽǤ
ºݤ沽ν֤: ॹסIP ɥ쥹pid,
ǤνˤŪޤ
ץꥱϤ٤ǤϤʤȤĴƤޤ
ץꥱ沽줿 <code>UNIQUE_ID</code>
ΤƩŪʥȡȤư٤Ǥ
<code>UNIQUE_ID</code> ¾ <code>UNIQUE_ID</code>
ȤĴ٤뤿ˤΤѤǤޤ</p>
<p>ν֤Ͼ衢¸ <code>UNIQUE_ID</code>
Υǡ١Ȥξͤۤ뤳Ȥʤѹ뤳Ȥ
ǽˤʤ褦Ƥޤ
ϥॹפǽǤȤƻĤΤ˾ޤ
ʳƱե٥åȤȥӥåĹȤȤǤޤ
ॹפܼŪ÷ǤΤǡ
饹ƤΥޥꥯȤȥеǽߤơ
Ť沽ѤΤ<em>ե饰</em>нʬǤ
θϡꥯȤƳ
ȯԤ뤳ȤǤ褦ˤʤޤ</p>
<p>桹Ϥ줬
ФŪܿι⤤ˡȹͤƤޤ
Windows NT Τ褦ʥޥåɤΥƥ˳ĥ뤳ȤǤޤ
ɬפˤʤФ䤹ȤǤޤ
ID ɬפ˱Ĺ뤳ȤǤޤΤǡ줿 ID
ϼ¼塢̵¤ͭǤޤ饹Υޥ֤̿¾ɬפʤ
(NTP ˤƱΤߤɬפǡϥХإåɤϤޤꤢޤ)httpd
ץ֤̿ɬפޤ (̿ϥͥˤƤ줿
pid ͤˤۤ˹ԤʤƤޤ)
˸¤줿ǤϡID Ϥû뤳ȤǤޤ
¿ξꤹɬפǤƤޤ (㤨С32 ӥå
IP ɥ쥹ϤɤΥȤˤƤʾǤ
ˤʤܿΤΤϤޤ)</p>
</div>
</div>
<div class="bottomlang">
<p><span>Available Languages: </span><a href="../en/mod/mod_unique_id.html" hreflang="en" rel="alternate" title="English"> en </a> |
<a href="../ja/mod/mod_unique_id.html" title="Japanese"> ja </a> |
<a href="../ko/mod/mod_unique_id.html" hreflang="ko" rel="alternate" title="Korean"> ko </a></p>
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