This tutorial will show you how to redirect a www URL to non-www (e.g., www.example.com to example.com) with Apache. We will also show how to redirect the other way, from a non-www URL to www. While the examples are based on CentOS, the steps are pretty much the same for any OS.

You may notice that some bots often visit and scan your website aggressively, which wastes a lot of web server resources. Fortunately, it is possible to block those bots based on their user-agent string. This article will go in-depth on how to block specific user agent(s) and referers on a NGINX or Apache web server.

In this tutorial, you will learn how to manually renew your expired SSL certificates and also how to automatically renew SSL certificates with Apache or NGINX from Let’s Encrypt prior to their expiration date.

This tutorial will show you how to set up HSTS in NGINX and Apache. It has been tested with NGINX 1.1.19 and Apache 2.2.22 on Ubuntu 12.04, Debian 6 & 7 and CentOS 6. However, these are just the referenced versions and it should work on other distributions as well.

This post will review what OCSP stapling is and does. We'll also lay out the steps necessary to configure OCSP Stapling on both NGINX and Apache.

This tutorial will show you how to acquire and install an SSL certificate from a trusted Certificate Authority (CA) for absolutely free.