Recently a client asked me to write a whitepaper about IP address management. At first the assignment seemed completely routine. But as I began looking at the details I realized that I was going to ...

Opening ports felt normal until I saw who was knocking.

Our ISP connection is at one site, SITE A. Users, servers, computers, etc., are a few miles away at SITE B. The 2 sites are connected via a wireless point-to-point link. There are no users or ...

At first I thought it was a DNS issue because it was failing to even look up the hostnames, but when I tried to ping an IP address I got "PING: transmit failed. General failure." I have disabled the ...