Mastering Nginx

Appendix A

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Directive Explanation Context/Default

types_hash_max_size The maximum size of the types

hash tables.

Valid contexts: http,

server, location

Default value: 1024

underscoresin
headers

Enables the use of the underscore

character in client request headers.

If left at the default value off,

evaluation of such headers

is subject to the value of the

ignore_invalid_headers

directive.

Valid contexts: http,

server

Default value: off

uninitialized_
variable_warn

Controls whether or not warnings

about uninitialized variables are

logged.

Valid contexts: http,

server, location,

if

Default value: on

upstream Sets up a named context in which

a group of servers is defined.

Valid context: http

Default value: -

use The use directive indicates
which connection processing
method should be used. This
will overwrite the compiled-in
default, and must be contained
in an events context, if used.
It is especially useful when the
compiled-in default is found to
produce errors over time.

Valid context: events

Default value: -

user The user and group under which
the worker processes will run is
configured using this parameter.
If the group is omitted, a group
name equal to that of the user
will be used.

Valid context: main

Default value: nobody

nobody