Linux

So you have installed your system and it works the way that you want; I am guessing that while the system works the way you want you don't have too many concerns. An out-of-the-box install…

Many services offer the option to run in a so-called "chrooted" environment or chroot jail. Simply put, the service starts with a false root directory. Everything that the service requires to run is copied to…

A system that has a, pretty much, out-of-the-box configuration is unlikely to be the most secure system on the block. Although Linux is, in general, a secure operating system there is still much to tune.…

As we continue the journey into Linux Security for the LPIC-3 303 exam we look at how we can adjust Kernel settings to block network pings being responded to from the Linux server. Many simple…

In support of the objectives for the LPIC-3 Linux Security certification and exam 303-200 we now take a look at another mechanism to fight buffer overflow attacks and this is Exec-Shield. Each objective is available…

Much of what we can do in securing our Linux host will require us changing configuration parameters in the procfs. The procfs in normally mounted below the /proc directory on our system and is a…