When I started writing this column in autumn of 2000, I had the day job of firewall engineer. I enjoyed that type of work, but I was enough of a big-picture kind of guy to be aware that every year, ...

As more companies become concerned about data breaches, IT solution providers are finding increased demand for firewall policy management. Companies are realizing that while they are trying to battan ...

One of the most useful tools in firewall engineering today is the DMZ, or DeMilitarized Zone, a network where all publicly accessible services are placed so they can be more closely watched and, also, ...