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Deconstructing Firewalls # Disclaimer: This post is being actively updated. Please check back for additional links slides - video presentation Table of Contents # What is a firewall Firewall Architectures Newer Technology Takeaways This presentation provides a general overview of the past implementations of firewalls, a modern perspective, and a forward look at what they can become. In this blog post, I will fill in any gaps in the presentation with references and helpful commentary. If you find this post useful, feel free to reach out to me at me[@]manta.black.

I spent the better part of my Friday night reinstalling my NAS server for homelab purposes. Through this experience, I found I wanted to capture what I learned and where I found answers for archiving purposes. I found many answers online that either didn’t work for me or called for a different type of implementation. I link some notable guides and threads in the reference section below. Setup # Wireguard is pretty simple and straight forward to install on any unix system. If you have any questions or see a place were an update should be made, send me and email or contact me on keybase.

At the conclusion of BSides Charlotte 2019, I realized that I would need to provide a bit more information in regards to the content that was covered in my slides especially for those who were unable to attend. The purpose of this post is to highlight those ideas relative to the presentation and to get any feedback from those interested in this the area of Research. How can one give an overview of the advancements in Computer System’s Defense and what is the scope of the systems that we are trying to defend? # Initially, I thought large enterprise networks or data centers were the only areas where the composition of system and network design would require a drastic reduction in complexity by increasing autonomy, so I sought to find solutions fitting into that scope. Realistically, the optimal goal of systems defense should exhibit the following features:

The beginning of a journey. I hope to document findings, ideas and notes for archival purpose weekly on Friday.