<div class="directive-section"><h2><a name="ProxyHCExpr" id="ProxyHCExpr">ProxyHCExpr</a> <a name="proxyhcexpr" id="proxyhcexpr">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Creates a named condition expression to use to determine health of the backend based on its response.</td></tr>
-<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>ProxyHCExpr name {<a href="../expr.html">ap_expr</a> expression}</code></td></tr>
+<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>ProxyHCExpr name {ap_expr expression}</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host</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_proxy_hcheck</td></tr>
ProxyPass "/apps" "http://backend.example.com/" hcexpr=ok234</pre>
</div>
- <p><em>NOTE:</em> The expression can use curly-parens ("{}") as quoting deliminators in addition to normal quotes.</p>
+ <div class="note">
+ The <a href="../expr.html">expression</a> can use curly-parens ("{}") as
+ quoting deliminators in addition to normal quotes.
+ </div>
<p>If using a health check method (eg: <code>GET</code>) which results in a response
body, that body itself can be checked via <code>ap_expr</code> using the <code>hc()</code>
<tr><td><a href="mod_proxy_ftp.html#proxyftpdircharset">ProxyFtpDirCharset <var>character set</var></a></td><td> ISO-8859-1 </td><td>svd</td><td>E</td></tr><tr><td class="descr" colspan="4">Define the character set for proxied FTP listings</td></tr>
<tr class="odd"><td><a href="mod_proxy_ftp.html#proxyftpescapewildcards">ProxyFtpEscapeWildcards [on|off]</a></td><td></td><td>svd</td><td>E</td></tr><tr class="odd"><td class="descr" colspan="4">Whether wildcards in requested filenames are escaped when sent to the FTP server</td></tr>
<tr><td><a href="mod_proxy_ftp.html#proxyftplistonwildcard">ProxyFtpListOnWildcard [on|off]</a></td><td></td><td>svd</td><td>E</td></tr><tr><td class="descr" colspan="4">Whether wildcards in requested filenames trigger a file listing</td></tr>
-<tr class="odd"><td><a href="mod_proxy_hcheck.html#proxyhcexpr">ProxyHCExpr name {<a href="../expr.html">ap_expr</a> expression}</a></td><td></td><td>sv</td><td>E</td></tr><tr class="odd"><td class="descr" colspan="4">Creates a named condition expression to use to determine health of the backend based on its response.</td></tr>
+<tr class="odd"><td><a href="mod_proxy_hcheck.html#proxyhcexpr">ProxyHCExpr name {ap_expr expression}</a></td><td></td><td>sv</td><td>E</td></tr><tr class="odd"><td class="descr" colspan="4">Creates a named condition expression to use to determine health of the backend based on its response.</td></tr>
<tr><td><a href="mod_proxy_hcheck.html#proxyhctemplate">ProxyHCTemplate name parameter=setting <...></a></td><td></td><td>sv</td><td>E</td></tr><tr><td class="descr" colspan="4">Creates a named template for setting various health check parameters</td></tr>
<tr class="odd"><td><a href="mod_proxy_hcheck.html#proxyhctpsize">ProxyHCTPsize <size></a></td><td></td><td>sv</td><td>E</td></tr><tr class="odd"><td class="descr" colspan="4">Sets the size of the threadpool used for the health check workers.</td></tr>
<tr><td><a href="mod_proxy_html.html#proxyhtmlbufsize">ProxyHTMLBufSize <var>bytes</var></a></td><td></td><td>svd</td><td>B</td></tr><tr><td class="descr" colspan="4">Sets the buffer size increment for buffering inline scripts and
<tr><td><a href="mod_proxy_ftp.html#proxyftpdircharset">ProxyFtpDirCharset <var>character set</var></a></td><td> ISO-8859-1 </td><td>svd</td><td>E</td></tr><tr><td class="descr" colspan="4">Define the character set for proxied FTP listings</td></tr>
<tr class="odd"><td><a href="mod_proxy_ftp.html#proxyftpescapewildcards">ProxyFtpEscapeWildcards [on|off]</a></td><td></td><td>svd</td><td>E</td></tr><tr class="odd"><td class="descr" colspan="4">Whether wildcards in requested filenames are escaped when sent to the FTP server</td></tr>
<tr><td><a href="mod_proxy_ftp.html#proxyftplistonwildcard">ProxyFtpListOnWildcard [on|off]</a></td><td></td><td>svd</td><td>E</td></tr><tr><td class="descr" colspan="4">Whether wildcards in requested filenames trigger a file listing</td></tr>
-<tr class="odd"><td><a href="mod_proxy_hcheck.html#proxyhcexpr">ProxyHCExpr name {<a href="../expr.html">ap_expr</a> expression}</a></td><td></td><td>sv</td><td>E</td></tr><tr class="odd"><td class="descr" colspan="4">Creates a named condition expression to use to determine health of the backend based on its response.</td></tr>
+<tr class="odd"><td><a href="mod_proxy_hcheck.html#proxyhcexpr">ProxyHCExpr name {ap_expr expression}</a></td><td></td><td>sv</td><td>E</td></tr><tr class="odd"><td class="descr" colspan="4">Creates a named condition expression to use to determine health of the backend based on its response.</td></tr>
<tr><td><a href="mod_proxy_hcheck.html#proxyhctemplate">ProxyHCTemplate name parameter=setting <...></a></td><td></td><td>sv</td><td>E</td></tr><tr><td class="descr" colspan="4">Creates a named template for setting various health check parameters</td></tr>
<tr class="odd"><td><a href="mod_proxy_hcheck.html#proxyhctpsize">ProxyHCTPsize <size></a></td><td></td><td>sv</td><td>E</td></tr><tr class="odd"><td class="descr" colspan="4">Sets the size of the threadpool used for the health check workers.</td></tr>
<tr><td><a href="mod_proxy_html.html#proxyhtmlbufsize">ProxyHTMLBufSize <var>bytes</var></a></td><td></td><td>svd</td><td>B</td></tr><tr><td class="descr" colspan="4">Sets the buffer size increment for buffering inline scripts and
<tr><td><a href="mod_proxy_ftp.html#proxyftpdircharset">ProxyFtpDirCharset <var>character set</var></a></td><td> ISO-8859-1 </td><td>svd</td><td>E</td></tr><tr><td class="descr" colspan="4">Define the character set for proxied FTP listings</td></tr>
<tr class="odd"><td><a href="mod_proxy_ftp.html#proxyftpescapewildcards">ProxyFtpEscapeWildcards [on|off]</a></td><td></td><td>svd</td><td>E</td></tr><tr class="odd"><td class="descr" colspan="4">Whether wildcards in requested filenames are escaped when sent to the FTP server</td></tr>
<tr><td><a href="mod_proxy_ftp.html#proxyftplistonwildcard">ProxyFtpListOnWildcard [on|off]</a></td><td></td><td>svd</td><td>E</td></tr><tr><td class="descr" colspan="4">Whether wildcards in requested filenames trigger a file listing</td></tr>
-<tr class="odd"><td><a href="mod_proxy_hcheck.html#proxyhcexpr">ProxyHCExpr name {<a href="../expr.html">ap_expr</a> expression}</a></td><td></td><td>sv</td><td>E</td></tr><tr class="odd"><td class="descr" colspan="4">Creates a named condition expression to use to determine health of the backend based on its response.</td></tr>
+<tr class="odd"><td><a href="mod_proxy_hcheck.html#proxyhcexpr">ProxyHCExpr name {ap_expr expression}</a></td><td></td><td>sv</td><td>E</td></tr><tr class="odd"><td class="descr" colspan="4">Creates a named condition expression to use to determine health of the backend based on its response.</td></tr>
<tr><td><a href="mod_proxy_hcheck.html#proxyhctemplate">ProxyHCTemplate name parameter=setting <...></a></td><td></td><td>sv</td><td>E</td></tr><tr><td class="descr" colspan="4">Creates a named template for setting various health check parameters</td></tr>
<tr class="odd"><td><a href="mod_proxy_hcheck.html#proxyhctpsize">ProxyHCTPsize <size></a></td><td></td><td>sv</td><td>E</td></tr><tr class="odd"><td class="descr" colspan="4">Sets the size of the threadpool used for the health check workers.</td></tr>
<tr><td><a href="mod_proxy_html.html#proxyhtmlbufsize">ProxyHTMLBufSize <var>bytes</var></a></td><td></td><td>svd</td><td>B</td></tr><tr><td class="descr" colspan="4">Sets the buffer size increment for buffering inline scripts and
<tr><td><a href="mod_proxy_ftp.html#proxyftpdircharset">ProxyFtpDirCharset <var>character set</var></a></td><td> ISO-8859-1 </td><td>svd</td><td>E</td></tr><tr><td class="descr" colspan="4">Define the character set for proxied FTP listings</td></tr>
<tr class="odd"><td><a href="mod_proxy_ftp.html#proxyftpescapewildcards">ProxyFtpEscapeWildcards [on|off]</a></td><td></td><td>svd</td><td>E</td></tr><tr class="odd"><td class="descr" colspan="4">Whether wildcards in requested filenames are escaped when sent to the FTP server</td></tr>
<tr><td><a href="mod_proxy_ftp.html#proxyftplistonwildcard">ProxyFtpListOnWildcard [on|off]</a></td><td></td><td>svd</td><td>E</td></tr><tr><td class="descr" colspan="4">Whether wildcards in requested filenames trigger a file listing</td></tr>
-<tr class="odd"><td><a href="mod_proxy_hcheck.html#proxyhcexpr">ProxyHCExpr name {<a href="../expr.html">ap_expr</a> expression}</a></td><td></td><td>sv</td><td>E</td></tr><tr class="odd"><td class="descr" colspan="4">Creates a named condition expression to use to determine health of the backend based on its response.</td></tr>
+<tr class="odd"><td><a href="mod_proxy_hcheck.html#proxyhcexpr">ProxyHCExpr name {ap_expr expression}</a></td><td></td><td>sv</td><td>E</td></tr><tr class="odd"><td class="descr" colspan="4">Creates a named condition expression to use to determine health of the backend based on its response.</td></tr>
<tr><td><a href="mod_proxy_hcheck.html#proxyhctemplate">ProxyHCTemplate name parameter=setting <...></a></td><td></td><td>sv</td><td>E</td></tr><tr><td class="descr" colspan="4">Creates a named template for setting various health check parameters</td></tr>
<tr class="odd"><td><a href="mod_proxy_hcheck.html#proxyhctpsize">ProxyHCTPsize <size></a></td><td></td><td>sv</td><td>E</td></tr><tr class="odd"><td class="descr" colspan="4">Sets the size of the threadpool used for the health check workers.</td></tr>
<tr><td><a href="mod_proxy_html.html#proxyhtmlbufsize">ProxyHTMLBufSize <var>bytes</var></a></td><td></td><td>svd</td><td>B</td></tr><tr><td class="descr" colspan="4">Sets the buffer size increment for buffering inline scripts and
<tr><td><a href="mod_proxy_ftp.html#proxyftpdircharset">ProxyFtpDirCharset <var>character set</var></a></td><td> ISO-8859-1 </td><td>svd</td><td>E</td></tr><tr><td class="descr" colspan="4">Define the character set for proxied FTP listings</td></tr>
<tr class="odd"><td><a href="mod_proxy_ftp.html#proxyftpescapewildcards">ProxyFtpEscapeWildcards [on|off]</a></td><td></td><td>svd</td><td>E</td></tr><tr class="odd"><td class="descr" colspan="4">Whether wildcards in requested filenames are escaped when sent to the FTP server</td></tr>
<tr><td><a href="mod_proxy_ftp.html#proxyftplistonwildcard">ProxyFtpListOnWildcard [on|off]</a></td><td></td><td>svd</td><td>E</td></tr><tr><td class="descr" colspan="4">Whether wildcards in requested filenames trigger a file listing</td></tr>
-<tr class="odd"><td><a href="mod_proxy_hcheck.html#proxyhcexpr">ProxyHCExpr name {<a href="../expr.html">ap_expr</a> expression}</a></td><td></td><td>sv</td><td>E</td></tr><tr class="odd"><td class="descr" colspan="4">Creates a named condition expression to use to determine health of the backend based on its response.</td></tr>
+<tr class="odd"><td><a href="mod_proxy_hcheck.html#proxyhcexpr">ProxyHCExpr name {ap_expr expression}</a></td><td></td><td>sv</td><td>E</td></tr><tr class="odd"><td class="descr" colspan="4">Creates a named condition expression to use to determine health of the backend based on its response.</td></tr>
<tr><td><a href="mod_proxy_hcheck.html#proxyhctemplate">ProxyHCTemplate name parameter=setting <...></a></td><td></td><td>sv</td><td>E</td></tr><tr><td class="descr" colspan="4">Creates a named template for setting various health check parameters</td></tr>
<tr class="odd"><td><a href="mod_proxy_hcheck.html#proxyhctpsize">ProxyHCTPsize <size></a></td><td></td><td>sv</td><td>E</td></tr><tr class="odd"><td class="descr" colspan="4">Sets the size of the threadpool used for the health check workers.</td></tr>
<tr><td><a href="mod_proxy_html.html#proxyhtmlbufsize">ProxyHTMLBufSize <var>bytes</var></a></td><td></td><td>svd</td><td>B</td></tr><tr><td class="descr" colspan="4">Sets the buffer size increment for buffering inline scripts and
<tr><td><a href="mod_proxy_ftp.html#proxyftpdircharset">ProxyFtpDirCharset <var>character set</var></a></td><td> ISO-8859-1 </td><td>skd</td><td>E</td></tr><tr><td class="descr" colspan="4">Define the character set for proxied FTP listings</td></tr>
<tr class="odd"><td><a href="mod_proxy_ftp.html#proxyftpescapewildcards">ProxyFtpEscapeWildcards [on|off]</a></td><td></td><td>skd</td><td>E</td></tr><tr class="odd"><td class="descr" colspan="4">Whether wildcards in requested filenames are escaped when sent to the FTP server</td></tr>
<tr><td><a href="mod_proxy_ftp.html#proxyftplistonwildcard">ProxyFtpListOnWildcard [on|off]</a></td><td></td><td>skd</td><td>E</td></tr><tr><td class="descr" colspan="4">Whether wildcards in requested filenames trigger a file listing</td></tr>
-<tr class="odd"><td><a href="mod_proxy_hcheck.html#proxyhcexpr">ProxyHCExpr name {<a href="../expr.html">ap_expr</a> expression}</a></td><td></td><td>sk</td><td>E</td></tr><tr class="odd"><td class="descr" colspan="4">Creates a named condition expression to use to determine health of the backend based on its response.</td></tr>
+<tr class="odd"><td><a href="mod_proxy_hcheck.html#proxyhcexpr">ProxyHCExpr name {ap_expr expression}</a></td><td></td><td>sk</td><td>E</td></tr><tr class="odd"><td class="descr" colspan="4">Creates a named condition expression to use to determine health of the backend based on its response.</td></tr>
<tr><td><a href="mod_proxy_hcheck.html#proxyhctemplate">ProxyHCTemplate name parameter=setting <...></a></td><td></td><td>sk</td><td>E</td></tr><tr><td class="descr" colspan="4">Creates a named template for setting various health check parameters</td></tr>
<tr class="odd"><td><a href="mod_proxy_hcheck.html#proxyhctpsize">ProxyHCTPsize <size></a></td><td></td><td>sk</td><td>E</td></tr><tr class="odd"><td class="descr" colspan="4">Sets the size of the threadpool used for the health check workers.</td></tr>
<tr><td><a href="mod_proxy_html.html#proxyhtmlbufsize">ProxyHTMLBufSize <var>bytes</var></a></td><td></td><td>skd</td><td>T</td></tr><tr><td class="descr" colspan="4">Sets the buffer size increment for buffering inline scripts and
<tr><td><a href="mod_proxy_ftp.html#proxyftpdircharset">ProxyFtpDirCharset <var>character set</var></a></td><td> ISO-8859-1 </td><td>svd</td><td>E</td></tr><tr><td class="descr" colspan="4">Define the character set for proxied FTP listings</td></tr>
<tr class="odd"><td><a href="mod_proxy_ftp.html#proxyftpescapewildcards">ProxyFtpEscapeWildcards [on|off]</a></td><td></td><td>svd</td><td>E</td></tr><tr class="odd"><td class="descr" colspan="4">Whether wildcards in requested filenames are escaped when sent to the FTP server</td></tr>
<tr><td><a href="mod_proxy_ftp.html#proxyftplistonwildcard">ProxyFtpListOnWildcard [on|off]</a></td><td></td><td>svd</td><td>E</td></tr><tr><td class="descr" colspan="4">Whether wildcards in requested filenames trigger a file listing</td></tr>
-<tr class="odd"><td><a href="mod_proxy_hcheck.html#proxyhcexpr">ProxyHCExpr name {<a href="../expr.html">ap_expr</a> expression}</a></td><td></td><td>sv</td><td>E</td></tr><tr class="odd"><td class="descr" colspan="4">Creates a named condition expression to use to determine health of the backend based on its response.</td></tr>
+<tr class="odd"><td><a href="mod_proxy_hcheck.html#proxyhcexpr">ProxyHCExpr name {ap_expr expression}</a></td><td></td><td>sv</td><td>E</td></tr><tr class="odd"><td class="descr" colspan="4">Creates a named condition expression to use to determine health of the backend based on its response.</td></tr>
<tr><td><a href="mod_proxy_hcheck.html#proxyhctemplate">ProxyHCTemplate name parameter=setting <...></a></td><td></td><td>sv</td><td>E</td></tr><tr><td class="descr" colspan="4">Creates a named template for setting various health check parameters</td></tr>
<tr class="odd"><td><a href="mod_proxy_hcheck.html#proxyhctpsize">ProxyHCTPsize <size></a></td><td></td><td>sv</td><td>E</td></tr><tr class="odd"><td class="descr" colspan="4">Sets the size of the threadpool used for the health check workers.</td></tr>
<tr><td><a href="mod_proxy_html.html#proxyhtmlbufsize">ProxyHTMLBufSize <var>bytes</var></a></td><td></td><td>svd</td><td>B</td></tr><tr><td class="descr" colspan="4">Sets the buffer size increment for buffering inline scripts and