The purpose of a firewall is to block network traffic, and then allow limited, controlled, and specific traffic through.  For someone who isn’t doing this every day, it can sometimes be a frustrating challenge figuring out why the firewall isn’t...

Port forwarding is a critical feature of any network firewall.  The ability to provide a service to the Internet requires being able to forward ports from one interface of a firewall to another interface.  Sometimes these services are on...

After a number of Internet searches, it seems all advice and examples of hub and spoke VPNs using Cisco ASA firewalls are configured from the command line. Folks who manage ASA firewalls using Cisco’s ASDM tool must be out of luck. Well, that is...

At the time of this writing Windows 10 is now a year and half old, and Microsoft’s vision for the Windows 10 operating system is clear.  Unlike previous versions of Windows, once you have Windows 10 future upgrades are free and automatic.  Also,...