In addition to introducing extra security measures, htaccess lets you add some fantastic features to your website without having superuser access to the main configuration files of the web server.

The common Apache benchmarking tool known as ab can carry off a highly effective DoS attack if you're not prepared for it.

With the recent rise in cloud computing, most cloud providers have offered their own APIs, which means cloud users sign up for the services of individual providers at the expense of being able to migrate easily to other providers at a later stage. Apache Deltacloud addresses this issue by offering a standardized API definition for infrastructure as a service (IaaS) clouds with drivers for a range of different clouds.