China's Great Firewall (GFW) blocked all encrypted traffic from abroad.
Starting at 00:34 UTC+8, all traffic to port 443 from overseas was blocked.
This includes websites like Apple and Bing.
Updated at 1:30 AM: All traffic to port 443 is blocked in both directions.
Updated at 1:38 AM: Some major companies are beginning to recover.
Updated at 1:50 AM: A large number of websites are recovering.
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