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 <div id="page-content">
 <div id="preamble"><h1>Apache Module mod_charset_lite</h1>
 <div class="toplang">
 <p><span>Available Languages: </span><a href="../en/mod/mod_charset_lite.html" title="English">&nbsp;en&nbsp;</a> |
 <a href="../fr/mod/mod_charset_lite.html" hreflang="fr" rel="alternate" title="Français">&nbsp;fr&nbsp;</a> |
 <a href="../ko/mod/mod_charset_lite.html" hreflang="ko" rel="alternate" title="Korean">&nbsp;ko&nbsp;</a></p>
 </div>
 <table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Specify character set translation or recoding</td></tr>
 <tr><th><a href="module-dict.html#Status">Status:</a></th><td>Extension</td></tr>
 <tr><th><a href="module-dict.html#ModuleIdentifier">Module Identifier:</a></th><td>charset_lite_module</td></tr>
 <tr><th><a href="module-dict.html#SourceFile">Source File:</a></th><td>mod_charset_lite.c</td></tr></table>
 <h3>Summary</h3>

     <p><code class="module"><a href="../mod/mod_charset_lite.html">mod_charset_lite</a></code> allows the server to change
     the character set of responses before sending them to the client.
     In an EBCDIC environment, Apache always translates HTTP protocol
     content (e.g. response headers) from the code page of the Apache
     process locale to ISO-8859-1, but not the body of responses.  In
     any environment, <code class="module"><a href="../mod/mod_charset_lite.html">mod_charset_lite</a></code> can be used to
     specify that response bodies should be translated.  For example,
     if files are stored in EBCDIC, then
     <code class="module"><a href="../mod/mod_charset_lite.html">mod_charset_lite</a></code> can translate them to
     ISO-8859-1 before sending them to the client.</p>

     <p>This module provides a small subset of configuration
     mechanisms implemented by Russian Apache and its associated
     <code>mod_charset</code>.</p>
 </div>
 <div id="quickview"><a href="https://www.apache.org/foundation/contributing.html" class="badge"><img src="https://www.apache.org/images/SupportApache-small.png" alt="Support Apache!" /></a><h3>Topics</h3>
 <ul id="topics">
 <li><img alt="" src="../images/down.gif" /> <a href="#problems">Common Problems</a></li>
 </ul><h3 class="directives">Directives</h3>
 <ul id="toc">
 <li><img alt="" src="../images/down.gif" /> <a href="#charsetdefault">CharsetDefault</a></li>
 <li><img alt="" src="../images/down.gif" /> <a href="#charsetoptions">CharsetOptions</a></li>
 <li><img alt="" src="../images/down.gif" /> <a href="#charsetsourceenc">CharsetSourceEnc</a></li>
 </ul>
 <h3>Bugfix checklist</h3><ul class="seealso"><li><a href="https://www.apache.org/dist/httpd/CHANGES_2.4">httpd changelog</a></li><li><a href="https://bz.apache.org/bugzilla/buglist.cgi?bug_status=__open__&amp;list_id=144532&amp;product=Apache%20httpd-2&amp;query_format=specific&amp;order=changeddate%20DESC%2Cpriority%2Cbug_severity&amp;component=mod_charset_lite">Known issues</a></li><li><a href="https://bz.apache.org/bugzilla/enter_bug.cgi?product=Apache%20httpd-2&amp;component=mod_charset_lite">Report a bug</a></li></ul><h3>See also</h3>
 <ul class="seealso">
 <li><a href="#comments_section">Comments</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="problems" id="problems">Common Problems</a></h2>

     <h3>Invalid character set names</h3>

       <p>The character set name parameters of <code class="directive"><a href="#charsetsourceenc">CharsetSourceEnc</a></code> and
       <code class="directive"><a href="#charsetdefault">CharsetDefault</a></code>
       must be acceptable to the translation mechanism used by
       <a class="glossarylink" href="../glossary.html#apr" title="see glossary">APR</a> on the system where
       <code class="module"><a href="../mod/mod_charset_lite.html">mod_charset_lite</a></code> is deployed.  These character
       set names are not standardized and are usually not the same as
       the corresponding values used in http headers.  Currently, APR
       can only use iconv(3), so you can easily test your character set
       names using the iconv(1) program, as follows:</p>

       <div class="example"><p><code>
         iconv -f charsetsourceenc-value -t charsetdefault-value
       </code></p></div>


     <h3>Mismatch between character set of content and translation
     rules</h3>

       <p>If the translation rules don't make sense for the content,
       translation can fail in various ways, including:</p>

       <ul>
       <li>The translation mechanism may return a bad return code,
       and the connection will be aborted.</li>

       <li>The translation mechanism may silently place special
       characters (e.g., question marks) in the output buffer when
       it cannot translate the input buffer.</li>
       </ul>

 </div>
 <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
 <div class="directive-section"><h2><a name="CharsetDefault" id="CharsetDefault">CharsetDefault</a> <a name="charsetdefault" id="charsetdefault">Directive</a></h2>
 <table class="directive">
 <tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Charset to translate into</td></tr>
 <tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>CharsetDefault <var>charset</var></code></td></tr>
 <tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory, .htaccess</td></tr>
 <tr><th><a href="directive-dict.html#Override">Override:</a></th><td>FileInfo</td></tr>
 <tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
 <tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_charset_lite</td></tr>
 </table>
     <p>The <code class="directive">CharsetDefault</code> directive specifies the
     charset that content in the associated container should be
     translated to.</p>

     <p>The value of the <var>charset</var> argument must be accepted
     as a valid character set name by the character set support in
     <a class="glossarylink" href="../glossary.html#apr" title="see glossary">APR</a>. Generally, this means that it must be
     supported by iconv.</p>

     <div class="example"><h3>Example</h3><pre class="prettyprint lang-config">&lt;Directory "/export/home/trawick/apacheinst/htdocs/convert"&gt;
     CharsetSourceEnc  UTF-16BE
     CharsetDefault    ISO-8859-1
 &lt;/Directory&gt;</pre>
 </div>

      <div class="note">
      Specifying the same charset for both <code class="directive"><a href="#charsetsourceenc">CharsetSourceEnc</a></code>
      and <code class="directive"><a href="#charsetdefault">CharsetDefault</a></code> disables translation. The charset
      need not match the charset of the response, but it must be a valid charset on the system.
      </div>


 </div>
 <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
 <div class="directive-section"><h2><a name="CharsetOptions" id="CharsetOptions">CharsetOptions</a> <a name="charsetoptions" id="charsetoptions">Directive</a></h2>
 <table class="directive">
 <tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Configures charset translation behavior</td></tr>
 <tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>CharsetOptions <var>option</var> [<var>option</var>] ...</code></td></tr>
 <tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>CharsetOptions ImplicitAdd</code></td></tr>
 <tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory, .htaccess</td></tr>
 <tr><th><a href="directive-dict.html#Override">Override:</a></th><td>FileInfo</td></tr>
 <tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
 <tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_charset_lite</td></tr>
 </table>
     <p>The <code class="directive">CharsetOptions</code> directive configures certain
     behaviors of <code class="module"><a href="../mod/mod_charset_lite.html">mod_charset_lite</a></code>. <var>Option</var> can
     be one of</p>

     <dl>
       <dt><code>ImplicitAdd | NoImplicitAdd</code></dt>

       <dd>The <code>ImplicitAdd</code> keyword specifies that
       <code class="module"><a href="../mod/mod_charset_lite.html">mod_charset_lite</a></code> should implicitly insert its
       filter when the configuration specifies that the character
       set of content should be translated. If the filter chain is
       explicitly configured using the <code class="directive"><a href="../mod/mod_mime.html#addoutputfilter">AddOutputFilter</a></code> directive, <code>NoImplicitAdd</code>
       should be specified so that <code class="module"><a href="../mod/mod_charset_lite.html">mod_charset_lite</a></code>
       doesn't add its filter.</dd>

       <dt><code>TranslateAllMimeTypes | NoTranslateAllMimeTypes</code></dt>
       <dd>Normally, <code class="module"><a href="../mod/mod_charset_lite.html">mod_charset_lite</a></code> will only perform
       translation on a small subset of possible mimetypes.  When the
       <code>TranslateAllMimeTypes</code> keyword is specified for a given
       configuration section, translation is performed without regard for
       mimetype.</dd>

     </dl>

 </div>
 <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
 <div class="directive-section"><h2><a name="CharsetSourceEnc" id="CharsetSourceEnc">CharsetSourceEnc</a> <a name="charsetsourceenc" id="charsetsourceenc">Directive</a></h2>
 <table class="directive">
 <tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Source charset of files</td></tr>
 <tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>CharsetSourceEnc <var>charset</var></code></td></tr>
 <tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory, .htaccess</td></tr>
 <tr><th><a href="directive-dict.html#Override">Override:</a></th><td>FileInfo</td></tr>
 <tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
 <tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_charset_lite</td></tr>
 </table>
     <p>The <code class="directive">CharsetSourceEnc</code> directive specifies the
     source charset of files in the associated container.</p>

     <p>The value of the <var>charset</var> argument must be accepted
     as a valid character set name by the character set support in
     <a class="glossarylink" href="../glossary.html#apr" title="see glossary">APR</a>. Generally, this means that it must be
     supported by iconv.</p>

     <div class="example"><h3>Example</h3><pre class="prettyprint lang-config">&lt;Directory "/export/home/trawick/apacheinst/htdocs/convert"&gt;
     CharsetSourceEnc  UTF-16BE
     CharsetDefault    ISO-8859-1
 &lt;/Directory&gt;</pre>
 </div>

     <p>The character set names in this example work with the iconv
     translation support in Solaris 8.</p>

      <div class="note">
      Specifying the same charset for both <code class="directive"><a href="#charsetsourceenc">CharsetSourceEnc</a></code>
      and <code class="directive"><a href="#charsetdefault">CharsetDefault</a></code> disables translation. The charset
      need not match the charset of the response, but it must be a valid charset on the system.
      </div>


 </div>
 </div>
 <div class="bottomlang">
 <p><span>Available Languages: </span><a href="../en/mod/mod_charset_lite.html" title="English">&nbsp;en&nbsp;</a> |
 <a href="../fr/mod/mod_charset_lite.html" hreflang="fr" rel="alternate" title="Français">&nbsp;fr&nbsp;</a> |
 <a href="../ko/mod/mod_charset_lite.html" hreflang="ko" rel="alternate" title="Korean">&nbsp;ko&nbsp;</a></p>
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	<div id="page-content">
	<div id="preamble"><h1>Apache Module mod_charset_lite</h1>
	<div class="toplang">
	<p><span>Available Languages: </span><a href="../en/mod/mod_charset_lite.html" title="English"> en </a> \|
	<a href="../fr/mod/mod_charset_lite.html" hreflang="fr" rel="alternate" title="Français"> fr </a> \|
	<a href="../ko/mod/mod_charset_lite.html" hreflang="ko" rel="alternate" title="Korean"> ko </a></p>
	</div>
	<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Specify character set translation or recoding</td></tr>
	<tr><th><a href="module-dict.html#Status">Status:</a></th><td>Extension</td></tr>
	<tr><th><a href="module-dict.html#ModuleIdentifier">Module Identifier:</a></th><td>charset_lite_module</td></tr>
	<tr><th><a href="module-dict.html#SourceFile">Source File:</a></th><td>mod_charset_lite.c</td></tr></table>
	<h3>Summary</h3>

	<p><code class="module"><a href="../mod/mod_charset_lite.html">mod_charset_lite</a></code> allows the server to change
	the character set of responses before sending them to the client.
	In an EBCDIC environment, Apache always translates HTTP protocol
	content (e.g. response headers) from the code page of the Apache
	process locale to ISO-8859-1, but not the body of responses. In
	any environment, <code class="module"><a href="../mod/mod_charset_lite.html">mod_charset_lite</a></code> can be used to
	specify that response bodies should be translated. For example,
	if files are stored in EBCDIC, then
	<code class="module"><a href="../mod/mod_charset_lite.html">mod_charset_lite</a></code> can translate them to
	ISO-8859-1 before sending them to the client.</p>

	<p>This module provides a small subset of configuration
	mechanisms implemented by Russian Apache and its associated
	<code>mod_charset</code>.</p>
	</div>
	<div id="quickview"><a href="https://www.apache.org/foundation/contributing.html" class="badge"><img src="https://www.apache.org/images/SupportApache-small.png" alt="Support Apache!" /></a><h3>Topics</h3>
	<ul id="topics">
	<li><img alt="" src="../images/down.gif" /> <a href="#problems">Common Problems</a></li>
	</ul><h3 class="directives">Directives</h3>
	<ul id="toc">
	<li><img alt="" src="../images/down.gif" /> <a href="#charsetdefault">CharsetDefault</a></li>
	<li><img alt="" src="../images/down.gif" /> <a href="#charsetoptions">CharsetOptions</a></li>
	<li><img alt="" src="../images/down.gif" /> <a href="#charsetsourceenc">CharsetSourceEnc</a></li>
	</ul>
	<h3>Bugfix checklist</h3><ul class="seealso"><li><a href="https://www.apache.org/dist/httpd/CHANGES_2.4">httpd changelog</a></li><li><a href="https://bz.apache.org/bugzilla/buglist.cgi?bug_status=__open__&list_id=144532&product=Apache%20httpd-2&query_format=specific&order=changeddate%20DESC%2Cpriority%2Cbug_severity&component=mod_charset_lite">Known issues</a></li><li><a href="https://bz.apache.org/bugzilla/enter_bug.cgi?product=Apache%20httpd-2&component=mod_charset_lite">Report a bug</a></li></ul><h3>See also</h3>
	<ul class="seealso">
	<li><a href="#comments_section">Comments</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="problems" id="problems">Common Problems</a></h2>

	<h3>Invalid character set names</h3>

	<p>The character set name parameters of <code class="directive"><a href="#charsetsourceenc">CharsetSourceEnc</a></code> and
	<code class="directive"><a href="#charsetdefault">CharsetDefault</a></code>
	must be acceptable to the translation mechanism used by
	<a class="glossarylink" href="../glossary.html#apr" title="see glossary">APR</a> on the system where
	<code class="module"><a href="../mod/mod_charset_lite.html">mod_charset_lite</a></code> is deployed. These character
	set names are not standardized and are usually not the same as
	the corresponding values used in http headers. Currently, APR
	can only use iconv(3), so you can easily test your character set
	names using the iconv(1) program, as follows:</p>

	<div class="example"><p><code>
	iconv -f charsetsourceenc-value -t charsetdefault-value
	</code></p></div>


	<h3>Mismatch between character set of content and translation
	rules</h3>

	<p>If the translation rules don't make sense for the content,
	translation can fail in various ways, including:</p>

	<ul>
	<li>The translation mechanism may return a bad return code,
	and the connection will be aborted.</li>

	<li>The translation mechanism may silently place special
	characters (e.g., question marks) in the output buffer when
	it cannot translate the input buffer.</li>
	</ul>

	</div>
	<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
	<div class="directive-section"><h2><a name="CharsetDefault" id="CharsetDefault">CharsetDefault</a> <a name="charsetdefault" id="charsetdefault">Directive</a></h2>
	<table class="directive">
	<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Charset to translate into</td></tr>
	<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>CharsetDefault <var>charset</var></code></td></tr>
	<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory, .htaccess</td></tr>
	<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>FileInfo</td></tr>
	<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
	<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_charset_lite</td></tr>
	</table>
	<p>The <code class="directive">CharsetDefault</code> directive specifies the
	charset that content in the associated container should be
	translated to.</p>

	<p>The value of the <var>charset</var> argument must be accepted
	as a valid character set name by the character set support in
	<a class="glossarylink" href="../glossary.html#apr" title="see glossary">APR</a>. Generally, this means that it must be
	supported by iconv.</p>

	<div class="example"><h3>Example</h3><pre class="prettyprint lang-config"><Directory "/export/home/trawick/apacheinst/htdocs/convert">
	CharsetSourceEnc UTF-16BE
	CharsetDefault ISO-8859-1
	</Directory></pre>
	</div>

	<div class="note">
	Specifying the same charset for both <code class="directive"><a href="#charsetsourceenc">CharsetSourceEnc</a></code>
	and <code class="directive"><a href="#charsetdefault">CharsetDefault</a></code> disables translation. The charset
	need not match the charset of the response, but it must be a valid charset on the system.
	</div>


	</div>
	<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
	<div class="directive-section"><h2><a name="CharsetOptions" id="CharsetOptions">CharsetOptions</a> <a name="charsetoptions" id="charsetoptions">Directive</a></h2>
	<table class="directive">
	<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Configures charset translation behavior</td></tr>
	<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>CharsetOptions <var>option</var> [<var>option</var>] ...</code></td></tr>
	<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>CharsetOptions ImplicitAdd</code></td></tr>
	<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory, .htaccess</td></tr>
	<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>FileInfo</td></tr>
	<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
	<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_charset_lite</td></tr>
	</table>
	<p>The <code class="directive">CharsetOptions</code> directive configures certain
	behaviors of <code class="module"><a href="../mod/mod_charset_lite.html">mod_charset_lite</a></code>. <var>Option</var> can
	be one of</p>

	<dl>
	<dt><code>ImplicitAdd \| NoImplicitAdd</code></dt>

	<dd>The <code>ImplicitAdd</code> keyword specifies that
	<code class="module"><a href="../mod/mod_charset_lite.html">mod_charset_lite</a></code> should implicitly insert its
	filter when the configuration specifies that the character
	set of content should be translated. If the filter chain is
	explicitly configured using the <code class="directive"><a href="../mod/mod_mime.html#addoutputfilter">AddOutputFilter</a></code> directive, <code>NoImplicitAdd</code>
	should be specified so that <code class="module"><a href="../mod/mod_charset_lite.html">mod_charset_lite</a></code>
	doesn't add its filter.</dd>

	<dt><code>TranslateAllMimeTypes \| NoTranslateAllMimeTypes</code></dt>
	<dd>Normally, <code class="module"><a href="../mod/mod_charset_lite.html">mod_charset_lite</a></code> will only perform
	translation on a small subset of possible mimetypes. When the
	<code>TranslateAllMimeTypes</code> keyword is specified for a given
	configuration section, translation is performed without regard for
	mimetype.</dd>

	</dl>

	</div>
	<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
	<div class="directive-section"><h2><a name="CharsetSourceEnc" id="CharsetSourceEnc">CharsetSourceEnc</a> <a name="charsetsourceenc" id="charsetsourceenc">Directive</a></h2>
	<table class="directive">
	<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Source charset of files</td></tr>
	<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>CharsetSourceEnc <var>charset</var></code></td></tr>
	<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory, .htaccess</td></tr>
	<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>FileInfo</td></tr>
	<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
	<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_charset_lite</td></tr>
	</table>
	<p>The <code class="directive">CharsetSourceEnc</code> directive specifies the
	source charset of files in the associated container.</p>

	<p>The value of the <var>charset</var> argument must be accepted
	as a valid character set name by the character set support in
	<a class="glossarylink" href="../glossary.html#apr" title="see glossary">APR</a>. Generally, this means that it must be
	supported by iconv.</p>

	<div class="example"><h3>Example</h3><pre class="prettyprint lang-config"><Directory "/export/home/trawick/apacheinst/htdocs/convert">
	CharsetSourceEnc UTF-16BE
	CharsetDefault ISO-8859-1
	</Directory></pre>
	</div>

	<p>The character set names in this example work with the iconv
	translation support in Solaris 8.</p>

	<div class="note">
	Specifying the same charset for both <code class="directive"><a href="#charsetsourceenc">CharsetSourceEnc</a></code>
	and <code class="directive"><a href="#charsetdefault">CharsetDefault</a></code> disables translation. The charset
	need not match the charset of the response, but it must be a valid charset on the system.
	</div>


	</div>
	</div>
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