Modules
=======

hello_world
-----------

Installs location content handler to produce specific output.

- #1 produces the predefined output "Hello, world!"
- #2 allows setting text and HTTP status code
- #3 supports variables in output text

access
------

Installs an ACCESS phase handler and checks if user is allowed to access the
resource.

- #1 makes sure the User-Agent header contains the specified string
- #2 verifies user-provided hash md5(uri, secret).

set_header
----------

Installs header filter handler and allows to add output headers.

- #1 one header is supported
- #2 multiple headers are supported
- #3 variables are supported in header values

append
------

Installs header and body filter handlers and allows appending text to the
output.

- #1 a string is appended
- #2 md5 hash of the entire body is appended
- #3 subrequest text is appended

md5
---

Creates a variable with the md5 of the provided complex value.


Development Guide
=================

For more information on module development, see the NGINX development guide:

    http://nginx.org/en/docs/dev/development_guide.html
