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, ...

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 ...

As some of you know from my last dumb post about mounting the floppy, I am new to Linux. I would like to learn though the feasibility of setting up a Linux machine as a firewall for a dedicated ...

Some, including Symantec's VelociRaptor firewall, come with their ports closed by default - this is called automatic port blocking. If your firewall comes with all the ports and services open, the ...