Apple has released the third Release Candidate (RC) for macOS Big Sur 11.2 for developers and public beta testers.
Big Sur continues to mature…and it continues to have some pesky little issues, too. Never fear, your two favorite geeks are here to answer your questions and help solve your problems. Listen as John and Dave talk through Big Sur, Headphone Safety, and share some Geek Challenges of yours with the Mac Geek Gab family. Press play and enjoy learning at least…five new things!
Apple has released the macOS Big Sur 11.2 release candidate for developers. This follows the other final beta versions of its other operating systems.
In macOS Big Sur, Apple deprecated third-party kernel extensions including Network Kernel Extensions (NKEs). NKEs are used by apps like firewalls to monitor network traffic. Apple’s new user-mode Network Extension Framework had a side-effect: Apple’s own apps wouldn’t be routed through it and thus could bypass third-party firewalls. But now that has changed.
I of course also wondered if malware could abuse these “excluded” items to generate network traffic that could surreptitiously bypass any socket filter firewall. Unfortunately the answer was yes! It was (unsurprisingly) trivial to find a way to abuse these items, and generate undetected network traffic.
Like the iOS 14.4 developer beta, macOS betas can be downloaded from Apple’s developer page. Release notes haven’t been published.
File encryption app Boxcryptor has been updated to support macOS Big Sur and M1 Macs to keep your documents safe in the cloud.
Apple has released the 11.1 update of macOS Big Sur with AirPods Max support, ProRAW support, and an updated TV app.
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