In other words, it is an application that can use to monitor applications to block or allow them to connect to connected networks through advanced rules.
The Little Snitch application firewall is an application firewall that runs on your Mac. The fact that you can watch the usually unnoticed activities allows you to make informed decisions when transferring your private information, thereby avoiding the leakage of confidential information. Hands Off: You can monitor and control how applications access your network and disks using this application. Hands Off vs Little Snitch: Which is Better?.