ASA License Upgrade

There maybe a time when you need to upgrade your license on a Cisco Adaptive Security Appliance (ASA).  The license is responsible for what feature set you have on the firewall and a comparison of licenses can be found here (v9.1).

The first step is to register your PAK key on the Cisco website.  The PAK key can be activated here and will require the device’s serial number to complete.  Follow the activation wizard and you will receive an email from Read More »

ASA – Dynamic FQDN Filtering

In today’s IT world, we are relying more and more on public cloud services such as Amazon Web Services (AWS), Azure and Google Cloud which typically have large IP address allocations. These cloud providers have the right to change the IP address of your hosted environment at any point in time and it is important that as network engineers, we can configure our equipment to dynamically adapt to applications changing IP addresses.  

Although in some environments use proxy servers for web traffic, there are some applications and websites which simply don’t work via a proxy, meaning traffic must bypass a firewall, typically at your internet edge.

Cisco Adaptive Security Appliance (ASA) Read More »