Ask HN: What is the best firewall software for Mac?

#1

Post by OMGCable » Sun, Mar 14, 2021, 3:11 PM UTC

What firewall software are you using today? I've come across both Lulu and Little Snitch which seem to be the most popular today. Does anyone have any other suggestions?

Re: Ask HN: What is the best firewall software for Mac?

#2

Post by kulikalov » Sun, Mar 14, 2021, 3:19 PM UTC

Use Little Snitch, it does it's job really well.

Though, keep this in mind:

> In Big Sur Apple decided to exempt many of its apps from being routed thru the frameworks they now require 3rd-party firewalls to use (LuLu, Little Snitch, etc.) Face with monocle > Q: Could this be (ab)used by malware to also bypass such firewalls? Thinking face > A: Apparently yes, and trivially so Grimacing faceFace screaming in fearLoudly crying face

https://twitter.com/patrickwardle/status/1327726496203476992

Re: Ask HN: What is the best firewall software for Mac?

#3

Post by OMGCable » Sun, Mar 14, 2021, 6:41 PM UTC

kulikalov wrote: post #2

Use Little Snitch, it does it's job really well. Though, keep this in mind: > In Big Sur Apple decided to exempt many of its apps from being routed thru the frameworks they now require 3rd-party firewalls to use (LuLu, Little Snitch, etc.) Face with monocle > Q: Could this be (ab)used by malware to also bypass such firewalls? Thinking face > A: Apparently yes, and trivially so Grimacing faceFace screaming in fearLoud…

Thanks for sharing!