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 ...

Default deny.

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, ...

But maybe not for the reasons you think ...

What Does a Firewall Do To Protect My Home Network Your email has been sent Understanding what firewalls do (and don't do) takes just a few minutes. Learn what a firewall does to keep intruders out in ...

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 ...

Forbes contributors publish independent expert analyses and insights. Technology journalist specializing in audio, computing and Apple Macs. Meraki Go, the Cisco brand that’s aimed at small businesses ...

I have a laptop with one ethernet port. what are my options for getting multiple ethernet ports out of it and using it as a firewall using the multiple ethernet ports as a switch or router, control ...