Using Let’s Encrypt in the lab to decrypt traffic traversing a Palo Alto Networks firewall. It was much easier to automate than I thought. First, I just set WACS to store the certificate on disk when it does the renewal. Then a few commands using the firewall API If you get credential errors when trying…

I can’t believe this site has been up for over a year and hasn’t been compromised yet! Woo!

Looks like there is something here to see now! Sorry it’s not very exciting.