Create custom VPN protocol from scratch. The VPN should work on windows 7-10. You have to understand VPN protocols, socket connections, security, key exchanges, X509, TUN/TAP, hole punching, etc. And also write a very detailed documentation of the source code.
hello
i have experiences for development vpn.
i have full understand OpenVpn, some kind of VPN protocol.
specially, i've masterd on TunTap on windows.
best regards.