Mastering NGINX - Second Edition

Enabling various modules

Besides the http and mail modules, there are a number of other modules included in the NGINX distribution. These modules are not activated by default, but may be enabled by setting the appropriate configuration option:

--with-<module-name>_module

Table – HTTP module configure options

Option	Explanation
--with-http_ssl_module	If you need to encrypt web traffic, you will need this option to be able to use URLs beginning with https. (Requires the OpenSSL library.)
--with-http_realip_module	If your NGINX is behind an L7 load balancer or other device that passes the client's IP address in an HTTP header, you will need to enable this module. For use in situations where multiple clients appear to come from one IP address. ...