With the whole of the networking worldmoving toward inhabiting a single global village, we inevitablyhave to start thinking about locking our doors and bolting ourwindows. It has to be recognized that ...
No doubt, you’ve heard the term “firewall” in regard to computing, but do you know what it is? When it comes to security, we should all be educated consumers, so this is an introduction to the basic ...
Next, let's configure a simple firewall. For the sake of simplicity, I am going to allow only SSH and HTTP traffic onto my machine. This means allowing ports 22 and 80. The first command enables the ...
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