linux - php fpm on ubuntu 14 throwing Service Unavailable -

i ran following command find out port being occupied php-fpm

 netstat -pl | grep fpm (no info read "-p": geteuid()=1000 should root.) unix  2      [ acc ]     stream     listening     9500     -                   /var/run/php5-fpm.sock 

i have following proxypassmatch in web configuration file

proxypassmatch ^/(.+\.php.*)$ fcgi://127.0.0.1:9500/var/www/html/$1 timeout=1800 

i have necessary dependencies installed processing php fpm fastcgi module.

<ifmodule mod_fastcgi.c>         addhandler php5-fcgi .php         action php5-fcgi /php5-fcgi         alias /php5-fcgi /usr/lib/cgi-bin/php5-fcgi         fastcgiexternalserver /usr/lib/cgi-bin/php5-fcgi -socket /var/run/php5-fpm.sock -pass-header authorization         <directory /usr/lib/cgi-bin>                 options execcgi followsymlinks                 sethandler fastcgi-script                 require granted         </directory> </ifmodule> 

my virtualhost directives in following set:

<virtualhost *:443>   servername domain.com   serveralias www.domain.com   sslengine on   ssloptions +fakebasicauth +exportcertdata +strictrequire   sslcertificatefile /etc/apache2/ssl/private/ec1ed7d470bd0db4.crt   sslcertificatekeyfile /etc/apache2/ssl/private/.key   sslcertificatechainfile /etc/apache2/ssl/.crt   documentroot /var/www/html/dir    # setup php-fpm process php files   # proxypassmatch ^/(.*\.php(/.*)?)$ fcgi://127.0.0.1:9500/var/www/html/dir/$1   # proxypassmatch ^/(.*\.php(/.*)?)$ fcgi://127.0.0.1:9000/var/www/html/$1   proxypassmatch ^/(.+\.php.*)$ fcgi://127.0.0.1:9500/var/www/html/$1 timeout=1800 </virtualhost> 

i still following message after restarting apache , php fpm

service unavailable server temporarily unable service request due maintenance downtime or capacity problems