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That's a significant change in enforcement level :(.

As I know, it is legal to use VPN in China, and VPN could not be blocked.

@lianbing
Sorry? That's surely news to me. On my last trip to Guangdong province I was unable to use:

  • PIA (PIA did not work at all)
  • Lantern (Lantern worked but intermittently)
  • Shadowsocks (SS worked, but then was detected by GFW machine learning and died)