The Problem with User Agent Detection

If you have ever used a no-so-popular web browser, a beta version of a popular browser, or a mobile browser on a phone or tablet, you have likely encountered a few websites that insist your browser and/or operating system will not work on them. ┬áIn some cases, they are correct, but in most cases, the […]

How to Hide Apache Header Information

One of the features of Apache that can sometimes be a liability is the web server header. This is an identification string that is sent to user agents. By default, Apache will tell the world about your Apache version, modules that you have installed, and even your operating system and version. Attackers […]

How to Block IP Addresses from Your Server

As we have stressed in earlier posts at Dedicated Server School, regularly checking Linux server log files is a crucial part of server management. Knowing what is going on in your logs is a great way to detect attempts to thwart your security and come up with early prevention methods. The question you […]