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 ...

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, ...

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, ...

Once your home network grows a little more complex, you soon realize that grouping devices into virtual local area networks (VLANs) makes a lot of sense, both from a security and administrative ...

I just switched my DSL connection to a higher grade and found out that the new one uses DMT line protocol. This is a problem cause my existing Cisco 675 will not support it. I need to build up a ...