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The OS firewall can only block incoming traffic (but not Apple's I believe) and has almost no configuration options. Some popular third party solutions that ar
by krono 5y ago
The OS firewall can only block incoming traffic (but not Apple's I believe) and has almost no configuration options.
Some popular third party solutions that are actually useful are Little Snitch [0], LuLu [1], and AdGuard [2].
[0] https://www.obdev.at/products/littlesnitch/index.html https://www.obdev.at/products/littlesnitch/index.html
[1] https://objective-see.com/products/lulu.html https://objective-see.com/products/lulu.html
[2] https://adguard.com/en/adguard-mac/overview.html https://adguard.com/en/adguard-mac/overview.html
- sbuk 5y agoMac OS comes with pf installed. This can block inbound and outbound traffic. There is a utility called Murus that manages this with a GUI, https://www.murusfirewall.com https://www.murusfirewall.com
- krono 5y agoThanks, forgot about pf! Murus seems the perfect middle-ground for when day-to-day management through commandline tools is too much (I lasted for about a week!), but GUI tools sometimes too restrictive.