IP addresses 172.17.x.x cannot be reached from outside our network, and that's how it's supposed to work, right? I'm in a nasty argument with one of my customers, and one of us is acting like a total ...

The internet relies on a system of addresses that treats every computer, tablet and smartphone as a distinct device, allowing all of them to communicate with each other. Because many kinds of devices ...

Dynamic Host Configuration Protocol, or DHCP, makes setting up an office network simple, but several minor drawbacks come with that simplicity. One common issue you may encounter is the difficulty of ...