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[apache] / docs / manual / mod / mod_deflate.xml.ko

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<!DOCTYPE modulesynopsis SYSTEM "../style/modulesynopsis.dtd">
<?xml-stylesheet type="text/xsl" href="../style/manual.ko.xsl"?>
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<modulesynopsis metafile="mod_deflate.xml.meta">

<name>mod_deflate</name>
<description>³»¿ëÀ» Ŭ¶óÀ̾ðÆ®·Î º¸³»±â Àü¿¡ ¾ÐÃàÇÑ´Ù</description>
<status>Extension</status>
<sourcefile>mod_deflate.c</sourcefile>
<identifier>deflate_module</identifier>

<summary>
    <p><module>mod_deflate</module> ¸ðµâÀº ¼­¹öÀÇ Ãâ·ÂÀ» ³×Æ®¿÷À¸·Î
    Ŭ¶óÀ̾ðÆ®¿¡ º¸³»±â Àü¿¡ ¾ÐÃàÇÏ´Â <code>DEFLATE</code> Ãâ·ÂÇÊÅ͸¦
    Á¦°øÇÑ´Ù.</p>
</summary>
<seealso><a href="../filter.html">ÇÊÅÍ</a></seealso>

<section id="recommended"><title>°ßº» ¼³Á¤</title>
    <p>±ÞÇÑ »ç¶÷À» À§ÇÑ °ßº» ¼³Á¤ÀÌ´Ù.</p>

    <example><title>ÀϺΠtype¸¸ ¾ÐÃà</title>
      AddOutputFilterByType DEFLATE text/html text/plain text/xml
    </example>

    <p>¾Æ·¡ ¼³Á¤Àº ¿ä¾àÇÏ¿´Áö¸¸ ±×·¡µµ º¹ÀâÇÏ´Ù. ¼³Á¤À» ¿ÏÀüÈ÷
    ÀÌÇØÇÑ ÈÄ »ç¿ëÇ϶ó.</p>

    <example><title>À̹ÌÁö¸¦ Á¦¿ÜÇÑ ¸ðµç °ÍÀ» ¾ÐÃà</title>
      &lt;Location /&gt;<br />
      <indent>
        # ÇÊÅ͸¦ Ãß°¡ÇÑ´Ù<br />
        SetOutputFilter DEFLATE<br />
        <br />
        # Netscape 4.x¿¡ ¹®Á¦°¡ ÀÖ´Ù...<br />
        BrowserMatch ^Mozilla/4         gzip-only-text/html<br />
        <br />
        # Netscape 4.06-4.08¿¡ ´õ ¹®Á¦°¡ ÀÖ´Ù<br />
        BrowserMatch ^Mozilla/4\.0[678] no-gzip<br />
        <br />
        # MSIEÀº Netscape¶ó°í ÀÚ½ÅÀ» ¾Ë¸®Áö¸¸, ¹®Á¦°¡ ¾ø´Ù<br />
        # BrowserMatch \bMSIE             !no-gzip !gzip-only-text/html<br />
        <br />
        # ÁÖÀÇ: ¾ÆÆÄÄ¡ 2.0.48±îÁö mod_setenvifÀÇ ¹ö±×¶§¹®¿¡<br />
        # À§ÀÇ Á¤±ÔÇ¥Çö½ÄÀº µ¿ÀÛÇÏÁö ¾Ê´Â´Ù. ¿øÇÏ´Â È¿°ú¸¦<br />
        # ¾ò±âÀ§ÇØ ´ÙÀ½°ú °°ÀÌ ¼öÁ¤ÇÏ¿© »ç¿ëÇÑ´Ù:<br />
        BrowserMatch \bMSI[E]           !no-gzip !gzip-only-text/html<br />
        <br />
        # À̹ÌÁö¸¦ ¾ÐÃàÇÏÁö ¾Ê´Â´Ù<br />
        SetEnvIfNoCase Request_URI \<br />
        <indent>
          \.(?:gif|jpe?g|png)$ no-gzip dont-vary<br />
        </indent>
        <br />
        # ÇÁ·Ï½Ã°¡ À߸øµÈ ³»¿ëÀ» Àü´ÞÇÏÁö¾Êµµ·Ï ÇÑ´Ù<br />
        Header append Vary User-Agent env=!dont-vary<br />
      </indent>
      &lt;/Location&gt;
    </example>

</section>

<section id="enable"><title>¾ÐÃàÇϱâ</title>

    <section id="output"><title>Ãâ·Â ¾ÐÃà</title>
      <p><code>DEFLATE</code> <a href="../filter.html">ÇÊÅÍ</a>°¡
      ¾ÐÃàÀ» ÇÑ´Ù. ´ÙÀ½ Áö½Ã¾î´Â Áö½Ã¾î°¡ ÀÖ´Â À§Ä¡ÀÇ ¹®¼­¸¦
      ¾ÐÃàÇÑ´Ù:</p>

      <example>
        SetOutputFilter DEFLATE
      </example>

      <p>¸ðµç ³»¿ëÀ» ¾ÐÃàÇϸé ó¸®ÇÏÁö ¸øÇÏ´Â ºê¶ó¿ìÀú°¡ Àֱ⶧¹®¿¡
      html ÆÄÀϸ¸À» ¾ÐÃàÇϱâÀ§ÇØ (¾Æ·¡ Âü°í)
      <code>gzip-only-text/html</code>À» <code>1</code>·Î ¼³Á¤ÇÒÁöµµ
      ¸ð¸¥´Ù. À̸¦ <em><code>1</code>ÀÌ ¾Æ´Ñ °ªÀ¸·Î</em> ¼³Á¤Çϸé
      ¹«½ÃÇÑ´Ù.</p>
      
      <p>º¸Åë Ưº°ÇÑ MIME type¸¸ ¾ÐÃàÇÏ·Á¸é <directive module="core"
      >AddOutputFilterByType</directive> Áö½Ã¾î¸¦ »ç¿ëÇÑ´Ù.
      ´ÙÀ½ ¼³Á¤Àº html ÆÄÀϸ¸À» ¾ÐÃàÇÑ´Ù:</p>

      <example>
        &lt;Directory "/your-server-root/manual"&gt;<br />
        <indent>
          AddOutputFilterByType DEFLATE text/html<br />
        </indent>
        &lt;/Directory&gt;
      </example>

      <p>¾ÐÃàÇÑ ÆÄÀÏÀ» ó¸®ÇÏÁö ¸øÇÏ´Â ºê¶ó¿ìÀú¿¡°Ô´Â ¾ÐÃàÇÏÁö¾Ê°í
      º¸³»±æÀ§ÇØ <directive module="mod_setenvif"
      >BrowserMatch</directive> Áö½Ã¾î¿¡ <code>no-gzip</code>À»
      ¼³Á¤ÇÑ´Ù. ÃÖÀûÀÇ °á°ú¸¦ ¾ò±âÀ§ÇØ <code>no-gzip</code>°ú
      <code>gzip-only-text/html</code>À» °°ÀÌ »ç¿ëÇÒ ¼ö ÀÖ´Ù.
      ÀÌ °æ¿ì ÀüÀÚ°¡ ÈÄÀÚ¸¦ ¹«½ÃÇÑ´Ù. À§ ÀýÀÇ <a
      href="#recommended">¼³Á¤ ¿¹Á¦</a> ÀϺθ¦ »ìÆ캸ÀÚ:</p>

      <example>
        BrowserMatch ^Mozilla/4         gzip-only-text/html<br />
        BrowserMatch ^Mozilla/4\.0[678] no-gzip<br />
        BrowserMatch \bMSIE             !no-gzip !gzip-only-text/html
      </example>

      <p>¸ÕÀú <code>User-Agent</code> ¹®ÀÚ¿­À» º¸°í Netscape
      Navigator ¹öÀü 4.xÀÎÁö °Ë»çÇÑ´Ù. ÀÌ ¹öÀüÀº <code>text/html</code>ÀÌ
      ¾Æ´Ñ typeÀÇ ¾ÐÃàÀ» ó¸®ÇÏÁö ¸øÇÑ´Ù. ¹öÀü 4.06, 4.07, 4.08Àº
      html ÆÄÀÏ ¾ÐÃàÀ» ó¸®Çϴ´뵵 ¹®Á¦°¡ ÀÖ´Ù. ±×·¡¼­ ¿ì¸®´Â
      ÀÌ °æ¿ì deflate ÇÊÅ͸¦ ¿ÏÀüÈ÷ »ç¿ëÇÏÁö¾Ê´Â´Ù.</p>

      <p>¼¼¹ø° <directive module="mod_setenvif">BrowserMatch</directive>
      Áö½Ã¾î´Â Microsoft Internet Explorer°¡ ÀÚ½ÅÀ» "Mozilla/4"·Î
      ¾Ë¸®Áö¸¸ ¾ÐÃàµÈ ¿äûÀ» ó¸®ÇÒ ¼ö Àֱ⶧¹®¿¡ user agent
      ÃßÃøÀ» ¼öÁ¤ÇÑ´Ù. <code>User-Agent</code> Çì´õ¿¡¼­ "MSIE"
      (<code>\b</code>´Â "´Ü¾î °æ°è"¸¦ ¶æÇÑ´Ù) ¹®ÀÚ¿­À» ¹ß°ßÇϸé
      ¾Õ¿¡¼­ ¼³Á¤ÇÑ Á¦¾àÀ» Ǭ´Ù.</p>

      <note><title>ÁÖÀÇ</title>
        <code>DEFLATE</code> ÇÊÅÍ´Â Ç×»ó PHP³ª SSI¿Í °°Àº RESOURCE
        ÇÊÅÍ µÚ¿¡ µé¾î°£´Ù. ¶Ç, ³»ºÎ ÇÏÀ§¿äû(subrequest)¿¡ ¿µÇâÀ»
        ÁÖÁö ¾Ê´Â´Ù.
      </note>
      <note><title>ÁÖÀÇ</title>
        <directive module="core">SetEnv</directive>·Î
        <code>force-gzip</code> ȯ°æº¯¼ö¸¦ ¼³Á¤ÇÏ¸é ºê¶ó¿ìÀúÀÇ
        accept-encoding ¼³Á¤À» ¹«½ÃÇÏ°í ¾ÐÃàµÈ °á°ú¸¦ º¸³½´Ù.
      </note>

    </section>
    <section id="inflate"><title>Ãâ·Â ¾ÐÃàÇ®±â</title>
      <p><module>mod_deflate</module> ¸ðµâÀº gzipÀ¸·Î ¾ÐÃàµÈ
      ÀÀ´ä ³»¿ëÀ» Ǫ´Â ÇÊÅ͵µ Á¦°øÇÑ´Ù. ÀÌ ±â´ÉÀ» »ç¿ëÇÏ·Á¸é
      ´ÙÀ½°ú °°ÀÌ <directive
      module="core">SetOutputFilter</directive>³ª <directive
      module="mod_mime">AddOutputFilter</directive>¸¦ »ç¿ëÇÏ¿©
      Ãâ·ÂÇÊÅͼø¼­¿¡ <code>INFLATE</code> ÇÊÅ͸¦ Ãß°¡ÇÑ´Ù.</p>

      <example>
        &lt;Location /dav-area&gt;<br />
        <indent>
          ProxyPass http://example.com/<br />
          SetOutputFilter INFLATE<br />
        </indent>
        &lt;/Location&gt;
      </example>

      <p>ÀÌ ¿¹Á¦´Â example.comÀÌ º¸³½ gzipÀ¸·Î ¾ÐÃàµÈ °á°úÀÇ
      ¾ÐÃàÀ» Ç®¾î¼­, ´Ù¸¥ ÇÊÅÍ°¡ ´õ ó¸®ÇÒ ¼ö ÀÖµµ·Ï ÇÑ´Ù.
      </p>

    </section>
    <section id="input"><title>ÀÔ·Â ¾ÐÃàÇ®±â</title>
      <p><module>mod_deflate</module> ¸ðµâÀº gzipÀ¸·Î ¾ÐÃàµÈ ¿äû
      ³»¿ëÀ» Ǫ´Â ÇÊÅ͵µ Á¦°øÇÑ´Ù. ÀÌ ±â´ÉÀ» »ç¿ëÇÏ·Á¸é ´ÙÀ½°ú
      °°ÀÌ <directive module="core">SetInputFilter</directive>³ª
      <directive module="mod_mime">AddInputFilter</directive>¸¦
      »ç¿ëÇÏ¿© ÀÔ·ÂÇÊÅͼø¼­¿¡ <code>DEFLATE</code> ÇÊÅ͸¦
      Ãß°¡ÇÑ´Ù.</p>

      <example>
        &lt;Location /dav-area&gt;<br />
        <indent>
          SetInputFilter DEFLATE<br />
        </indent>
        &lt;/Location&gt;
      </example>
      
      <p>¿äû¿¡ <code>Content-Encoding: gzip</code> Çì´õ°¡ ÀÖ´Ù¸é
      ÀÚµ¿À¸·Î ¾ÐÃàµÈ ³»¿ëÀ» Ǭ´Ù. gzip ¿äûÀ» ÇÒ ¼ö ÀÖ´Â
      ºê¶ó¿ìÀú´Â µå¹°´Ù. ±×·¯³ª ¾î¶² <a
      href="http://www.webdav.org">WebDAV</a> Ŭ¶óÀ̾ðÆ®¿Í °°Àº
      Ưº°ÇÑ ÇÁ·Î±×·¥Àº ¿äû ¾ÐÃàÀ» Áö¿øÇÑ´Ù.</p>

      <note type="warning"><title>Content-Length¿¡ ´ëÇÑ ÁÖÀÇ</title>
        <p>¿äû ³»¿ëÀ» Á÷Á¢ »ìÆ캻´Ù¸é, <em><code>Content-Length</code>
        Çì´õ¸¦ ¹ÏÁö¸¶¶ó!</em> Content-Length Çì´õ´Â Ŭ¶óÀ̾ðÆ®°¡
        º¸³½ ³»¿ëÀÇ ±æÀÌÀÌÁö, ¾ÐÃàÀ» Ǭ °á°úÀÇ ¹ÙÀÌÆ®¼ö°¡
        <em>¾Æ´Ï´Ù</em>.</p>
      </note>
    </section>
</section>

<section id="proxies"><title>ÇÁ·Ï½Ã ¼­¹ö ´Ù·ç±â</title>

    <p><module>mod_deflate</module> ¸ðµâÀº ÇÁ·Ï½Ã°¡ ÀÚ½ÅÀÌ Ä³½¬ÇÑ
    ÀÀ´äÀ» ÀûÀýÇÑ <code>Accept-Encoding</code> ¿äû Çì´õ¸¦ º¸³½
    Ŭ¶óÀ̾ðÆ®¿¡°Ô¸¸ º¸³»µµ·Ï <code>Vary:
    Accept-Encoding</code> HTTP ÀÀ´ä Çì´õ¸¦ Ãß°¡ÇÑ´Ù. ±×·¡¼­
    ¾ÐÃàµÈ ³»¿ëÀ» ÀÌÇØÇÒ ¼ö ¾ø´Â Ŭ¶óÀ̾ðÆ®¿¡ ¾ÐÃàµÈ ³»¿ëÀ»
    º¸³»Áö¾Êµµ·Ï ÇÑ´Ù.</p>

    <p>¿¹¸¦ µé¾î, <code>User-Agent</code> Çì´õ µî¿¡ µû¶ó Ưº°È÷
    ÇÊÅÍ Àû¿ëÀ» Ãë¼ÒÇÑ´Ù¸é, ÇÁ·Ï½Ã¿¡°Ô ÀÌ·¯ÇÑ Á¦ÇÑÀ» ¾Ë·ÁÁÖ±âÀ§ÇØ
    Á÷Á¢ <code>Vary</code> Çì´õ¿¡ Ãß°¡ÇØ¾ß ÇÑ´Ù. ¿¹¸¦ µé¾î,
    ¼³Á¤ÀÌ <code>User-Agent</code>¿¡ µû¶ó <code>DEFLATE</code>
    ÇÊÅ͸¦ Ãß°¡ÇÑ´Ù¸é ´ÙÀ½À» »ç¿ëÇÑ´Ù:</p>

    <example>
      Header append Vary User-Agent
    </example>
    
    <p>¿äû Çì´õ¿ÜÀÇ ´Ù¸¥ Á¤º¸¿¡ (<em>¿¹¸¦ µé¾î</em>, HTTP ¹öÀü)
    µû¶ó ¾ÐÃà ¿©ºÎ°¡ °áÁ¤µÈ´Ù¸é, <code>Vary</code> Çì´õ°ªÀ»
    <code>*</code>·Î ¼³Á¤ÇØ¾ß ÇÑ´Ù. ±×·¯¸é Ç¥ÁØÀ» µû¸£´Â ÇÁ·Ï½Ã´Â
    ij½¬¸¦ ÇÏÁö ¾Ê°Ô µÈ´Ù.</p>

    <example><title>¿¹Á¦</title>
      Header set Vary *
    </example>
</section>

<directivesynopsis>
<name>DeflateFilterNote</name>
<description>¾ÐÃà·üÀ» ·Î±×¿¡ ±â·ÏÇÑ´Ù</description>
<syntax>DeflateFilterNote [<var>type</var>] <var>notename</var></syntax>
<contextlist><context>server config</context><context>virtual host</context>
</contextlist>
<compatibility><var>type</var>Àº ¾ÆÆÄÄ¡ 2.0.4 ºÎÅÍ</compatibility>

<usage>
    <p><directive>DeflateFilterNote</directive> Áö½Ã¾î´Â ¿äûÀÇ
    ¾ÐÃà·üÀ» ·Î±×¿¡ ±â·ÏÇÏ´Â ±âÈ£¸¦ ÁöÁ¤ÇÑ´Ù. ±âÈ£ À̸§Àº Áö½Ã¾î·Î
    ÁöÁ¤ÇÑ °ªÀÌ´Ù. Åë°è¸¦ À§ÇØ <a href="../logs.html#accesslog">Á¢±Ù
    ·Î±×</a>¿¡¼­ ±âÈ£¸¦ »ç¿ëÇÒ ¼ö ÀÖ´Ù.</p>

    <example><title>¿¹Á¦</title>
      DeflateFilterNote ratio<br />
      <br />
      LogFormat '"%r" %b (%{ratio}n) "%{User-agent}i"' deflate<br />
      CustomLog logs/deflate_log deflate
    </example>

    <p>·Î±×¿¡¼­ ´õ Á¤È®ÇÑ °ªÀ» ÃßÃâÇÏ·Á¸é <var>type</var> ¾Æ±Ô¸ÕÆ®·Î
    ±â·ÏÇÒ ÀڷḦ ¼±ÅÃÇÑ´Ù. <var>type</var>´Â ´ÙÀ½Áß ÇϳªÀÌ´Ù:</p>

    <dl>
      <dt><code>Input</code></dt>
      <dd>ÇÊÅÍ ÀԷ½ºÆ®¸²ÀÇ ¹ÙÀÌÆ®¼ö¸¦ ÀúÀåÇÑ´Ù.</dd>

      <dt><code>Output</code></dt>
      <dd>ÇÊÅÍ Ãâ·Â½ºÆ®¸²ÀÇ ¹ÙÀÌÆ®¼ö¸¦ ÀúÀåÇÑ´Ù..</dd>

      <dt><code>Ratio</code></dt>
      <dd>¾ÐÃà·üÀ» (<code>output/input * 100</code>) ÀúÀåÇÑ´Ù.
       <var>type</var> ¾Æ±Ô¸ÕÆ®¸¦ »ý·«ÇÏ¸é »ç¿ëÇÏ´Â ±âº»°ªÀÌ´Ù.</dd>
    </dl>

    <p>±×·¡¼­ ÀÌ·¸°Ô ·Î±×¿¡ ±â·ÏÇÒ ¼ö ÀÖ´Ù:</p>

    <example><title>Á¤¹ÐÇÑ ·Î±×</title>
      DeflateFilterNote Input instream<br />
      DeflateFilterNote Output outstream<br />
      DeflateFilterNote Ratio ratio<br />
      <br />
      LogFormat '"%r" %{outstream}n/%{instream}n (%{ratio}n%%)' deflate<br />
      CustomLog logs/deflate_log deflate
    </example>
</usage>
<seealso><module>mod_log_config</module></seealso>
</directivesynopsis>

<directivesynopsis>
<name>DeflateBufferSize</name>
<description>zlibÀÌ Çѹø¿¡ ¾ÐÃàÇÒ Å©±â</description>
<syntax>DeflateBufferSize <var>value</var></syntax>
<default>DeflateBufferSize 8096</default>
<contextlist><context>server config</context><context>virtual host</context>
</contextlist>

<usage>
    <p><directive>DeflateBufferSize</directive> Áö½Ã¾î´Â zlibÀÌ
    Çѹø¿¡ ¾ÐÃàÇÒ ¹ÙÀÌÆ®¼ö¸¦ ÁöÁ¤ÇÑ´Ù.</p>
</usage>
</directivesynopsis>

<directivesynopsis>
<name>DeflateWindowSize</name>
<description>Zlib ¾ÐÃà window size</description>
<syntax>DeflateWindowSize <var>value</var></syntax>
<default>DeflateWindowSize 15</default>
<contextlist><context>server config</context><context>virtual host</context>
</contextlist>

<usage>
    <p><directive>DeflateWindowSize</directive> Áö½Ã¾î´Â zlib
    ¾ÐÃà window size¸¦ (1°ú 15 »çÀÌÀÇ °ª) ÁöÁ¤ÇÑ´Ù. ÀϹÝÀûÀ¸·Î
    window size°¡ Ŭ¼ö·Ï ¾ÐÃà·üÀÌ Áõ°¡ÇÑ´Ù.</p>
</usage>
</directivesynopsis>

<directivesynopsis>

<name>DeflateMemLevel</name>
<description>zlibÀÌ ¾ÐÃàÇÒ¶§ »ç¿ëÇÏ´Â ¸Þ¸ð¸®·®</description>
<syntax>DeflateMemLevel <var>value</var></syntax>
<default>DeflateMemLevel 9</default>
<contextlist><context>server config</context><context>virtual host</context>
</contextlist>

<usage>
    <p><directive>DeflateMemLevel</directive> Áö½Ã¾î´Â zlibÀÌ
    ¾ÐÃàÇÒ¶§ ¾ó¸¶¸¸Å­ ¸Þ¸ð¸®¸¦ »ç¿ëÇÒÁö °áÁ¤ÇÑ´Ù. (1°ú 9 »çÀÌÀÇ
    °ª)</p>
</usage>
</directivesynopsis>

<directivesynopsis>
<name>DeflateCompressionLevel</name>
<description>Ãâ·ÂÀ» ¾î´ÀÁ¤µµ ¾ÐÃàÇϴ°¡</description>
<syntax>DeflateCompressionLevel <var>value</var></syntax>
<default>Zlib's default</default>
<contextlist><context>server config</context><context>virtual host</context>
</contextlist>
<compatibility>¾ÆÆÄÄ¡ 2.0.45 ºÎÅÍ</compatibility>

<usage>
    <p><directive>DeflateCompressionLevel</directive> Áö½Ã¾î´Â
        »ç¿ëÇÒ ¾ÐÃà¼öÁØÀ» ¼±ÅÃÇÑ´Ù. °ªÀÌ Å¬¼ö·Ï ¾ÐÃà·üÀÌ Áõ°¡ÇÏÁö¸¸,
        CPU¸¦ ´õ ¸¹ÀÌ »ç¿ëÇÑ´Ù.</p>
    <p>(°¡Àå ´ú ¾ÐÃà) 1°ú (°¡Àå ¸¹ÀÌ ¾ÐÃà) 9 »çÀÌÀÇ °ªÀ» ÁöÁ¤ÇÑ´Ù.</p>
</usage>
</directivesynopsis>


</modulesynopsis>