I think I made a local domain server, but I'm not sure. I'm doing it by reading DNS and Bind. I made A records and PTR records for zones. When I type a domain without the dot, I can get IP information ...

First off, this isn't really my problem to solve, but some of the guys at work are about to spend huge amounts of money on something to do just this. I think that there HAS to be a better solution ...

Your Ethernet connection may need some fine-tuning.

Network security is not just for IT professionals. Even home users need to keep their networks secure to prevent unauthorized people from, for example, hogging their broadband, installing malware that ...