Great Fire Wall nowadays doesn’t just filter by IP, it actively parses the packet and uses machine learning to detect encrypted content’s type. If the traffic seems like a bypass, the destination server will be blocked. That’s how shadowsocks based bypassing died and why most VPNs don’t work.
Great Fire Wall nowadays doesn’t just filter by IP, it actively parses the packet and uses machine learning to detect encrypted content’s type. If the traffic seems like a bypass, the destination server will be blocked. That’s how shadowsocks based bypassing died and why most VPNs don’t work.
For open source software, there are mirrors usable inside the firewall. The most widely used one is https://mirrors.tuna.tsinghua.edu.cn/
A larger problem is the potential of completely blocking GitHub, which happened temporarily a few times before.