1. Mac
2. Security Software
3. Firewall Software
4. TCPBlock Download

Prevent apps on your Mac from opening connections to the network.

TCPBlock Screenshots

TCPBlock Editor's review

There's no question that you need to protect your computer from incoming network threats, and there are plenty of options available. One option, TCPBlock for Mac, functions adequately as a firewall; but its options lag behind other, more popular programs.
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