Hands Off! 4.0.0 Direct

Since the tool is no longer actively maintained, you might consider these current industry standards for Mac security:

: Beyond network monitoring, it can block applications from reading or writing to specific files on your disk to protect sensitive data. Hands Off! 4.0.0

: A popular, free, open-source firewall specifically for monitoring outgoing connections. Since the tool is no longer actively maintained,

: Users can easily block multiple subdomains and domain name resolving for enhanced security. Recommended Alternatives Hands Off! 4.0.0

: A simpler, "annoyance-free" alternative that works silently in the background without pop-ups or alerts.

: When an application attempts an operation without a defined rule, a notification appears with detailed information (Process ID, IP address, port) to help you decide whether to allow or block it.