Appendix A. Directive Reference

This appendix lists the configuration directives used throughout the book. There are also some directives that did not appear in the book, but are listed here for completeness. The entries have been expanded to show under which context each directive may be used. If a directive has a default value, it has been listed as well. These directives are current as of NGINX version 1.9.11. The most up-to-date list can be found at http://nginx.org/en/docs/dirindex.html.

Directive	Explanation	Context / default value
accept_mutex	Serializes the accept() method on new connections by worker processes.	Valid context: events Default value: on
accept_mutex_delay	The maximum time a worker process will wait to accept new connections if another worker is already doing this.	Valid context: events Default value: 500ms
access_log	Describes where and how are to be written. The first parameter is a path to the file where the logs are to be stored. Variables...