<IfModule mod_rewrite.c> 
RewriteEngine on
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule ^(.*)$ index.php?s=$1 [QSA,PT,L]
#RewriteRule ^(.*)$ index.php/$1 [QSA,PT,L]
RewriteCond %{REQUEST_METHOD} ^TRACE
RewriteRule .* - [F]

 SetEnv force-proxy-request-1.0.1   
   SetEnv proxy-nokeepalive 1
</IfModule>