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Apple's apps bypass firewalls like LittleSnitch and LuLu on macOS Big Sur

(twitter.com)
1183 points robenkleene | 3 comments | 20 Oct 20 15:51 UTC | HN request time: 0s | source
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joncp ◴[20 Oct 20 16:20 UTC] No.24839189[source]▶
That totally breaks my use case for Little Snitch: working tethered. When I tether my laptop it thinks it has free reign with the bandwidth and all of the little background processes can kill my data in a few minutes. With a firewall, I can grant access to only the processes that I need to get my work done.

Now, I guess I have to run some external firewall between my laptop and my phone. ... or better yet, abandon Apple.

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1. Xavdidtheshadow ◴[20 Oct 20 18:05 UTC] No.24840511[source]▶
I use Trip Mode for that (https://tripmode.ch/). Though, it's not unlikely it'll have the same issues described in the OP, it does seem to block Apple stuff on Mojave.
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2. Terretta ◴[20 Oct 20 22:31 UTC] No.24842979[source]▶
I had replied to parent as well, but then saw your note. So I deleted, and pasting my agreement here:

> free reign with the bandwidth and all of the little background processes can kill my data in a few minutes

New: TripMode 3, made for macOS 11 Big Sur. Easily control your Mac's data usage on slow or expensive networks.

Drastically optimize your Mac’s data usage by automatically blocking unwanted background updates. Keep control with the new live monitor and data usage reports. Reveal domains where your apps send your data to. Now with a redesigned, easier than ever UI.

https://tripmode.ch

3. joncp ◴[21 Oct 20 01:04 UTC] No.24843930[source]▶
Unfortunately, it appears that Tripmode can't filter it either: https://medium.com/tripmode/apple-started-hiding-the-traffic...