Hello , System: Gentoo Base System release 1.12.11.1 Haproxy : HA-Proxy version 1.3.14.1 LIghttpd : lighttpd-1.4.19 PHP : spawn-fcgi-1.4.19 PHP 5.2.6-pl6-gentoo (cli) (built: Sep 10 2008 10:37:25) Copyright (c) 1997-2008 The PHP Group Zend Engine v2.2.0, Copyright (c) 1998-2008 Zend Technologies with eAccelerator v0.9.5.3, Copyright (c) 2004-2006 eAccelerator, by eAccelerator I have this topology Haproxy ---> apache2 servers + php / eaccelerator / memcache I want to go on Lighttpd I install it but haproxy send X-Forward-For I make it work with lighttpd module "mod_extforward" Then put extforward.forwarder trusting / extforward.forwarder = ( "x.x.x.x" => "trust", "x.x.x.x" => "trust" ) This is my fast cgi module config fastcgi.server = ( ".php" => ( "localhost" => ( "socket" => "/tmp/php-fastcgi.socket", "bin-path" => "/usr/bin/php-cgi -v /etc/php/cgi-php5/php.ini", "min-procs" => 3, "max-procs" => 8, "max-load-per-proc" => 4, "idle-timeout" => 20, "bin-environment" => ( "PHP_FCGI_CHILDREN" => "32", "PHP_FCGI_MAX_REQUESTS" => "1000", ), "broken-scriptfilename" => "enable" ) ) But I get this errors 2008-09-29 17:17:45: (mod_fastcgi.c.2471) unexpected end-of-file (perhaps the fastcgi process died): pid: 32089 socket: unix:/tmp/php-fastcgi.socket-7 2008-09-29 17:17:45: (mod_fastcgi.c.3281) response not received, request sent: 1489 on socket: unix:/tmp/php-fastcgi.socket-7 for /index.php , closing connection 2008-09-29 17:18:00: (mod_fastcgi.c.2471) unexpected end-of-file (perhaps the fastcgi process died): pid: 32056 socket: unix:/tmp/php-fastcgi.socket-6 2008-09-29 17:18:00: (mod_fastcgi.c.3281) response not received, request sent: 1419 on socket: unix:/tmp/php-fastcgi.socket-6 for /index.php , closing connection