lighttpd2/doc/mod_fastcgi.xml

<?xml version="1.0" encoding="UTF-8"?>
<module xmlns="urn:lighttpd.net:lighttpd2/doc1">
	<short>connect to FastCGI backends for generating response content</short>

	<action name="fastcgi">
		<short>connect to FastCGI backend</short>
		<parameter name="socket">
			<short>socket to connect to, either "ip:port" or "unix:/path"</short>
		</parameter>
		<description>
			<textile>
				Don't confuse FastCGI with CGI! Not all CGI backends can be used as FastCGI backends (but you can use "fcgi-cgi":https://redmine.lighttpd.net/projects/fcgi-cgi/wiki to run CGI backends with lighttpd2).
			</textile>
		</description>
		<example>
			<config>
				fastcgi "127.0.0.1:9090"
			</config>
		</example>
		<example>
			<description>
				<textile>
					Start php for example with spawn-fcgi: @spawn-fcgi -n -s /var/run/lighttpd2/php.sock -- /usr/bin/php5-cgi@
				</textile>
			</description>
			<config>
				setup {
					module_load "mod_fastcgi";
				}

				if phys.path =$ ".php" and phys.is_file {
					fastcgi "unix:/var/run/lighttpd2/php.sock";
				}
			</config>
		</example>
	</action>

	<option name="fastcgi.log_plain_errors">
		<short>whether to prepend timestamp and other info to FastCGI stderr lines in the "backend" log</short>
		<default><value>false</value></default>
	</option>
</module>