Did you know that a freshly installed Linux server can be hardened in less than 10 minutes? Here’s how!

Print these instructions out, and keep them posted on a wall in your office or home. Before plugging a freshly installed network server, simply remember to follow these instructions. Make these instructions second nature to you.

You’ll need a bit of experience with the Linux command-line environment, as the following commands are usually issued in a terminal. You will need root access on your server as well.

Step 1: turn all unneeded services off

There are two kinds of network services:

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