You can use an old PC as a firewall at home (and at work, I guess). It’s not that hard to do if you have a basic knowledge of Linux, DHCP, and IPtables, but that may be saying a lot. Why would anyone want to do this, though? If you’re like me, you like...

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The Principle of Least Privilege says that users or applications should only have access to the what it needs to access and that access should be as limited as possible.  This idea can be applied to any number of things, but it is a very important topic when talking about security. The idea is...

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