Ubuntu 12.04 Precise LTS: Install and secure Apache 2 web server

1. Install apache2:

   sudo apt-get install apache2

2. Hide the Apache Version number, and other sensitive information:

   sudo vi /etc/apache2/conf.d/security

   ServerTokens Prod
   ServerSignature Off
   

3. Turn off directory browsing:

   sudo vi /etc/apache2/sites-available/default

   <Directory /var/www/>
       Options -Indexes FollowSymLinks MultiViews
       AllowOverride None
       Order allow,deny
       allow from all
   </Directory>
   

4. Follow this guide to install ModSecurity.
5. Follow this guide to install ModEvasive.