Monthly Archives: June 2016

Be Careful with TCP Syslog and the ASA

I wanted to take just a moment to share a little gotcha that could take you by surprise. To demonstrate, I have a simple topology with an ASA in the middle. I am inspecting ICMP so ping traffic is stateful … Continue reading

Posted in Design | Tagged | 2 Comments

Manual URL Filtering in Firepower

A few days ago, someone asked me the following two questions– Is a URL filtering license required to manually filter sites in Firepower? Are wildcards supported as filtering criteria? The short answer to the first question is simply no. There … Continue reading

Posted in How-To | Tagged | 1 Comment

Accessing ASA CLI in Firepower Threat Defence

I’ve recently loaded Firepower Threat Defense on an ASA5525 for my home Internet firewall. For those unfamiliar with FTD, it is basically a combination of critical ASA features and all of the Cisco Firepower features in a single image and … Continue reading

Posted in How-To | Tagged | 8 Comments