If you're unsure if it's the right firewall, I can like Little Snitch or LuLu.
In an era where software constantly "calls home" for telemetry or background updates, remains one of the fastest, most effective network firewalls for macOS. Developed by Juuso Salonen, it allows users to monitor and block applications from making internet connections with a single click. Radio Silence License Key
Always obtain your license key from the official source to ensure your Mac's security and to support the independent developer behind this useful Mac utility. If you're unsure if it's the right firewall,
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