Next year I'm planning on leaving my current career as a web developer and moving into systems/network administration. I know computers and networking pretty well for an amatuer, but I'm trying to ...

One of the greatest features of sendmail is the extreme flexibility it provides the administrator. This is also one of its worst features, the reason being that it is so often misconfigured. Usually, ...

The firewall is one of the most important security features in a computer environment. In the classic sense, a firewall is set up on an appliance, such as a computer that fulfills just a single, ...

Ok this is my first time I've ever sit up a firwall using linux. So far this is what I've done. I went to system settings selected security and choose what leve of security I wanted to implement. Then ...