Error "Failed to connect to github.com port 443"

I tried to push some changes to GitHub using git push origin master, but after some time it showed an error:

fatal: unable to access 'https://github.com/the-unbelievable/MiniGames.git/': Failed to connect to github.com port 443: Operation timed out

I've just created that repository and have already committed twice. I'm connected to the Internet through home Wi-Fi and the OS is Mac OS X v10.10.2 (Yosemite).

Solution

The reason is continuous DDoS attack ... https://status.github.com/messages

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