REGEX

If you haven’t noticed, I’m seriously impressed with Cloudflare Zero Trust, but one feature remained missing - ad blocking. I was a longtime user of Pi-hole and loved the simplicity of it all. If you aren’t aware, Pi-hole is deployed on a Raspberry Pi and blocks ads, trackers, and other nasty sites by using DNS block lists. You can also block or allow specific domains with a new rule from the Pi-hole dashboard....

The use of Regular Expression (REGEX) for your Cloudflare Zero Trust Gateway policies delivers some seriously powerful solutions. I ran into issues when attempting to get things working because I was attempting to use traditional REGEX. That is until I found, buried in Cloudflare’s documentation, that Gateway used Rust to evaluate expressions rather than what I was accustomed to using. At the suggestion of Cloudflare, I visited Rust REGEX to build and test expressions....