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# Changing Metabase password complexity
Metabase offers a couple controls for administrators who prefer to increase the password requirements on their user accounts.
export MB_PASSWORD_COMPLEXITY=strong
export MB_PASSWORD_LENGTH=10
The settings above can be used independently, so it's fine to use only one or the other. By default Metabase use complexity = `normal` and a password length of 6. The following options are available for complexity choice:
* `weak` = no character constraints
* `normal` = at least 1 digit
* `strong` = minimum 8 characters w/ 2 lowercase, 2 uppercase, 1 digit, and 1 special character