Tag: Common Mistakes

Moving Firepower Management Center: Dealing with Licensing Errors

by Trevor Butler, posted in Gotcha's & Cavates

Today I finally got around to re-configuring our Firepower Management Center (FMC) after we moved it from my companies data center to our head office (we were moving servers from a whole subnet over so we recreated the subnet here at the head office and moved the servers over like for like and without the … Continue reading Moving Firepower Management Center: Dealing with Licensing Errors

Explanation of Access Control Lists

by Trevor Butler, posted in Networking Explained

Currently I am working on a project where I am going through and optimizing a large set of Access Control Lists (ACL) on a set of 5585 Firewalls.  While going through these massive lists I have noticed a few mistakes other engineers have made while configuring these rules.  I figured I might as well write … Continue reading Explanation of Access Control Lists