I have a setup with two small servers running nginx serving as proxy and a number of Apache+mod_php beefy servers. I am thinking on going over to PHP-FPM. Can I configure nginx to use a number of FastCGI servers? Or PHP-FPM itself to use workers on different machines? Or do I need to run nginx on the workers?


no you can run 1 nginx machine and many php-fpm machines.

upstream php {

Then in your locaction

fastcgi_pass php;
  • Thanks! That was totally not clear from the documentation. – chx Dec 28 '10 at 11:31
  • What about keep alive connections? What should the number of keep alive be? – CMCDragonkai Apr 15 '14 at 4:09

A complement to Mike's answer.

Check this vulnerability that can arise when you have nginx and PHP-FPM in different servers. The bottom line is: don't allow users to upload content to your public directory.

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