TCP/IP is the underlying protocol of the internet. It dates to the 1970s, and most communications on the internet use it.
I tried to run a firewall for a brief time, but then I realized that I was only using a firewall to make myself feel cool, and to create an irritance for me to endure. I couldn't really think of a good reason to keep running it, so I stopped.
Why are you using a firewall?
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