This dumb password rule is from Dnevnik.ru.

Silently (sic!) trim password to 30 symbols.

That causes the stupid case when you could successfully registrate an account with password length of 52 and can't login with the password.

https://dumbpasswordrules.com/sites/dnevnik-ru/

#password #passwords #infosec #cybersecurity #dumbpasswordrules