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

(twitter.com)
1183 points robenkleene | 1 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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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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1. 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...