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Source code for 'Firewalls Don't Stop Dragons' by Carey Parker (Apress, 2018)
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Apress Source Code

This repository accompanies Firewalls Don't Stop Dragons by Carey Parker (Apress, 2018).

Cover image

Download the files as a zip using the green button, or clone the repository to your machine using Git.


As I find errors or stale information in the book, I will update the errata document. See this reference for updates. If you find an error or information that needs updating, please contact me at feedback @

Web Links from Book

If you have the paperback version of the book, you can use this document to click on the web links. The links are in order by chapter. Futhermore, I will try to keep these links up to date (links inevitably change). If you find any errors, please let me know: feedback @ I'm also maintaining this list on my website here.

Book Links

Website and Other Resources

On my website, you can find my blog, my newsletter, my podcast, and a web page with several other great resources for privacy and security.


Release v1.0 corresponds to the code in the published book, without corrections or updates.


See the file for more information on how you can contribute to this repository.

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