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|User Info||YOUR Email? Not Really.; entered at 2018-07-07 11:29:17|
Thanks for clarifying. All the different uses for various ports and restrictions, etc. have never been very clear for me.
I once tried to block/reconfigure various ports (as suggested by some Mac forum) to protect myself against external attacks and was completely cut off from the outside world until I went back to just using the built-in OS X Firewall function as default. I'm quite certain it's not the safest option, but at least I'm no longer cut off from the internet.