Working vpn server on termux native with root?

Does anyone has a working way or a step by step guide to set-up a vpn server on termux with root? Like someone who actually tried and succeed or already has one running to give me tips and point me in the right direction. This seems impossible and every single tutorial i found online is either outdated or missing things Even this is a bit outdated, I tried the application he mentioned "servers ultimate" and it has never been updated since 4 years ago, It does work but you will never be able to connect to the server due to the "TLS HANDSHAKE ERRORS" I think this is because the application is using deprecated ways to generate the certificates or the 'SSL/TLS' Keys is this impossible or just not worth it?