The real purpose of login banners (on Linux)

We are used seeing login banners everywhere. What is the point of them, and why would they be useful? The answer is more surprising than you expected.


Login banners on Linux The first thing you might see when connecting to a Linux machine, is a login banner. Some systems use the default, others have put some serious work into it. Think of great forms of ASCII art, or a lot of impressive text. You might be surprised to learn the real reasons for having a banner in the first place. In this article we will discuss the purpose, and determine how we can improve the quality of our login banners.