The myMPD settings can be protected with a pin. Setting a pin is only supported if myMPD is compiled with enabled ssl.
To set a pin run
mympd -p and restart myMPD.
After restart all settings are protected with the entered pin.
A lock symbol is displayed for all buttons whose action requires authentication if no valid session is established.
You can goto the main menu and login to create a session. The session is valid until restart of myMPD, closing the browser, refreshing the site or you logout.