8.7.1. Apache

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Installation Guide | Chapter 8: Installing a Front-End Web Server | 8.7. Enabling HTTP Compression |

8.7. Enabling HTTP Compression |  | 8.8. Overview of Client-Web Server Communications
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### 8.7.1. Apache

HTTP compression in Apache is provided by the module named “mod_deflate”. Enable and configure mod_deflate as follows to enable HTTP compression:

1. Stop the Apache server.

2. Edit `APACHE_HOME/conf/httpd.conf` and enable the mod_deflate module, if necessary:

   Disabled (commented out):

       #LoadModule deflate_module modules/mod_deflate.so
       #LoadModule filter_module modules/mod_filter.so

   Enabled:

       LoadModule deflate_module modules/mod_deflate.so
       LoadModule filter_module modules/mod_filter.so

3. Edit the VirtualHost entry in `APACHE_HOME/conf/httpd.conf` that was created in the section mod_proxy (Apache) and add the mod_deflate-related entries, which are shown in bold:

       <VirtualHost 192.168.1.2:80>
         ServerName ekm.yourdomain.com
         AddOutputFilterByType DEFLATE text/html text/plain text/xml
         DeflateFilterNote Input input_info
         DeflateFilterNote Output output_info
         DeflateFilterNote Ratio ratio_info
         LogFormat '"%r" %{output_info}n/%{input_info}n (%{ratio_info}n%%)' deflate
          CustomLog deflate.log deflate
       </VirtualHost>

4. Start the Apache server.

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