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As I don't see it in your shown documentation, I'm going to assume you forgot to enable IP forwarding. Run the following command to verify that this is indeed the case: sysctl net.ipv4.ip_forward If IP forwarding is indeed disabled you should see: net.ipv4.ip_forward = 0 If this is your problem, run: sysctl -w net.ipv4.ip_forward=1 Possibly your ...


2

With your current configuration your default gateway is the tunnel itself (do1). So when you ping 104.000.65.38 from the internet the packets arrive to eth0 but they return via the do1 tunnel instead. You will need to do connection marking with iptables and set up a secondary routing table with default gateway 104.000.64.1 so that packets that arrive to ...



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