I'm sure you heard of China GFW, We have strict censorship too, especially during some event, we have used shadowsocks, v2ray. Lots of users reported tcp packet

I'm sure you heard of China GFW, We have strict censorship too, especially during some event, we have used shadowsocks, v2ray. Lots of users reported tcp packet was dropped, but you can use shadowsocks with v2ray-plugin, or v2ray https over cdn