Little Snitch VS Radio Silence

The first two can be handled by firewall. Little Snitch for example: https://obdev.at/products/littlesnitch/index.html. Source: about 1 year ago

If you want more control over outgoing traffic, there’s commercial stuff like Little Snitch or the similar free tool LuLu from Objective-See. Source: over 1 year ago

Objective Development's Little Snitch. It's been the first piece of software I've installed on every Mac I've owned in the last 20 years. Source: over 2 years ago

Little Snitch? https://obdev.at/products/littlesnitch/index.html. Source: over 2 years ago

If you want to block it at the network/DNS level you could edit the hosts file or use something like Little Snitch to monitor (and block) outgoing connections. Source: almost 3 years ago

Agreed, though I combine using Little Snitch with Radio Silence: https://radiosilenceapp.com Little Snitch is great for when I want hyper granular control of a specific app's network permissions while Radio Silence gives me a super quick way to just block EVERYTHING for a particular app right away without even opening it the first time. - Source: Hacker News / 10 months ago

I'm using radio silence for years and it is awesome :) https://radiosilenceapp.com. - Source: Hacker News / about 1 year ago

Forgot to mention Radio Silence (commercial), seen by many as an easier introduction vs Little Snitch. Source: over 1 year ago

Sorry for the late reply. I use Lulu which should be enough, but I also simultaneously use Radio Silence to be safe. Source: almost 2 years ago

Little Snitch (LS) is considered by many to be the gold standard. The aforementioned Lulu has a good reputation. The app Hands Off! Appears to be no longer developed (site offline). Then there's Radio Silence that may well fit your needs. Finally, one or more apps by Murus may be of interest but AFAIK these are not easy to configure and may be overkill for the average Mac user. I'm not familiar with TripMode. Source: about 2 years ago