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128 lines
3.9 KiB
ReStructuredText
128 lines
3.9 KiB
ReStructuredText
.. _apache_conf:
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***********
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apache.conf
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***********
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Apache 2.2 and Apache 2.4 both come with their default vendor configuration. This might not be the
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ideal setup for some people, so you have the chance to change any of those settings, by supplying
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custom configurations.
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.. seealso:: If you are rather using Nginx, have a look at: :ref:`nginx_conf`
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.. important::
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You could actually also create virtual hosts here, but it is recommended to use the
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Devilbox Auto-vhost generation feature. If you want to custimize your current virtual hosts
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have a look at :ref:`customize_virtual_host`.
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**Table of Contents**
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.. contents:: :local:
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General
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=======
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You can set custom apache.conf configuration options for each Apache version separately.
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See the directory structure for Apache configuration directories inside ``./cfg/`` directory:
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.. code-block:: bash
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host> ls -l path/to/devilbox/cfg/ | grep 'apache'
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drwxr-xr-x 2 cytopia cytopia 4096 Mar 5 21:53 apache-2.2/
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drwxr-xr-x 2 cytopia cytopia 4096 Mar 5 21:53 apache-2.4/
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Customization is achieved by placing a file into ``cfg/apache-X.X/`` (where ``X.X`` stands for
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your Apache version). The file must end by ``.conf`` in order to be sourced by the web server.
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Each of the Apache configuration directories already contain an example file:
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``devilbox-custom.conf-example``, that can simply be renamed to ``devilbox-custom.conf``.
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This file holds some example values that can be adjusted or commented out.
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In order for the changes to be applied, you will have to restart the Devilbox.
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Examples
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========
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Adjust KeepAlive settings for Apache 2.2
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----------------------------------------
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The following examples shows you how to change the
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`KeepAlive <https://httpd.apache.org/docs/2.2/mod/core.html#keepalive>`_, the
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`MaxKeepAliveRequests <https://httpd.apache.org/docs/2.2/mod/core.html#maxkeepaliverequests>`_
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as well as the
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`KeepAliveTimeout <https://httpd.apache.org/docs/2.2/mod/core.html#keepalivetimeout>`_ values of
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Apache 2.2.
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.. code-block:: bash
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# Navigate to the Devilbox directory
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host> cd path/to/devilbox
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# Navigate to Apache 2.2 config directory
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host> cd cfg/apache-2.2
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# Create new conf file
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host> touch keep_alive.conf
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Now add the following content to the file:
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.. code-block:: ini
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:caption: keep_alive.conf
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KeepAlive On
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KeepAliveTimeout 10
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MaxKeepAliveRequests 100
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In order to apply the changes you need to restart the Devilbox.
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.. note::
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The above is just an example demonstration, you probably need other values for your setup.
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So make sure to understand how to configure Apache, if you are going to change any of those
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settings.
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Limit HTTP headers and GET size for Apache 2.4
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----------------------------------------------
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The following examples shows you how to limit the amount of headers the client can send to the
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server as well as changing the maximum URL GET size by adjusting
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`LimitRequestFields <http://httpd.apache.org/docs/current/mod/core.html#limitrequestfields>`_,
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`LimitRequestFieldSize <http://httpd.apache.org/docs/current/mod/core.html#limitrequestfieldsize>`_
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and
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`LimitRequestLine <http://httpd.apache.org/docs/current/mod/core.html#limitrequestline>`_
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for Apache 2.4.
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.. code-block:: bash
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# Navigate to the Devilbox directory
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host> cd path/to/devilbox
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# Navigate to Apache 2.4 config directory
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host> cd cfg/apache-2.4
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# Create new conf file
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host> touch limits.conf
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Now add the following content to the file:
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.. code-block:: ini
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:caption: limits.conf
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# Limit amount of HTTP headers a client can send to the server
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LimitRequestFields 20
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LimitRequestFieldSize 4094
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# URL GET size
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LimitRequestLine 2048
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In order to apply the changes you need to restart the Devilbox.
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.. note::
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The above is just an example demonstration, you probably need other values for your setup.
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So make sure to understand how to configure Apache, if you are going to change any of those
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settings.
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