Maybe, but if you’re burning codes in this scenario, you’ve got bigger problems to solve.

Create a secret passphrase - that only your family knows - that can be used to verbally verify it’s the real you and not a scam caller. Bonus points: create an alternate passphrase that can be used to signal that you’re under duress.

Have you had a look at binhex’s privoxyvpn docker container? Sounds similar to what you’re looking to do.