Securing a fresh Linux install, part 1

Most Linux distros provide a wide variety of server applications, and many network-aware apps are enabled by default when you install the operating system. Before you put your new Linux machine online, there are a number of steps you should take to make your network secure. Use these tips every time you perform a fresh install; none of these steps will help to secure a machine that has already been compromised. Before you install anything on your machine, check the Web site of the distro you plan to use and download any security patches or updates that have been released since the version you are going to install. As soon as the install process is finished apply the patches and updates you found.

Choose sensible passwords

Many users, if left to their own devices, choose passwords that are easy to remember -- and just as easy for a cracker to guess. Any password can be cracked given enough time and resources, but a safe password is one which would take an unreasonably long time to crack, while not being impossible for the user to remember.

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