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China use DPI(Deep packet inspection) to detect vpn and block it. refer https://en.wikipedia.org/wiki/VPN_blocking https://en.wikipedia.org/wiki/VPN_blocking
by GutenYe 13y ago
China use DPI(Deep packet inspection) to detect vpn and block it. refer https://en.wikipedia.org/wiki/VPN_blocking https://en.wikipedia.org/wiki/VPN_blocking