Do you know Little Snitch ? Of course you know Little Snitch. This macOS app doescome upprettyoften. It took me a few years between first hearing about it and finally trying it out, but here I am. And it's awesome. Basically, Little Snitch is a system-wide app-level firewall, letting you decide which domain each and every app on your Mac should and shouldn't connect to.

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How To Block Website With Little Snitch

If you're even a little privacy conscious, or annoyed by all these ads popping everywhere, you probably use one of the many ad-blocking browser extensions out there. I lost track of which one actually works a while ago. Maybe you also use something like Ghostery to block tracking. I st
But do you really know what rules they apply? Did they decide to allow acceptable ads without asking you? Are they reselling your anonymized and repackaged data? Is it even a legitimate ad-blocking extension? And good luck installing an ad-blocker on that email client to block those pesky e-mail tracking pixels.

Little Snitch Rules. This is the next step moving forward from my first project Little-Snitch—Rule-Groups.This is a unified place to subscribe rule groups based on all available sources of those hosts lists in stevenblack hosts file and many more to block ads, malware, risk-ware, crypto-miner, phishing, tracking, telemetry, fake-news, adult and social domains.

Now, you could edit your hosts file to block pretty much anything. I find that cumbersome and annoying. Plus, there's no monitoring to add your own personal favorites. That's where Little Snitch comes in!

Miroku shotgun serial numbers. One of their latest features? Auto-updated rule groups subscriptions!

Open the Little Snitch Configuration application from your Applications folder, open Preferences General and click the Stop button to turn off the Network Filter. Any network traffic will then be allowed, such as if Little Snitch wasn’t installed at all.
Just grab the output and copy/paste into Little Snitch. The script is written to block access to any process, any port. You can also delete those lines and it will only block Mail. Or use the options to enter any process, port or protocol you want to block.

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So, I installed it, and quickly went on setting it up. Then I started looking for some rule groups to subscribe to. And there weren't many lying around.

Two did stand out. Peter Lowe's adservers list (https://pgl.yoyo.org/adservers/) and Steven Black's host files. They contain lots of rules and domains, blocking both ads and trackers, including social ones. Exactly what I was looking for.
So, without any further ado, here are a few rule groups subscription you can add to Little Snitch to get started!

For the second one, you'll need to pick the .lsrules files you're interested in, access the raw files (should look like https://raw.githubusercontent.com/naveednajam/Little-Snitch---Rule-Groups/master/unified_hosts_base/stevenblack0.lsrules), and paste the urls into Little Snitch's 'New Rule Group Subscription' wizard, one at a time. There are approximately 10k rules per file, so your computer might choke on it for an instant, but it'll be fine.

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Oh, and as an added bonus: you can also use it to block all these annoying consent pop-ups that started appearing a year ago.
Hope this helps, and a great day to all of you!