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Password restrictions
Mathew Evans edited this page 2025-08-28 14:20:53 +01:00
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It is possible to enforce password restrictions on users when using the Overleaf login system, not a SSO option such as LDAP.

  • OVERLEAF_PASSWORD_VALIDATION_MIN_LENGTH: The minimum length required

  • OVERLEAF_PASSWORD_VALIDATION_MAX_LENGTH: The Maximum length allowed

  • OVERLEAF_PASSWORD_VALIDATION_PATTERN: is used to validate password strength

    • abc123 – password requires 3 letters and 3 numbers and be at least 6 characters long
    • aA – password requires lower and uppercase letters and be 2 characters long
    • ab$3 – it must contain letters, digits and symbols and be 4 characters long
    • There are 4 groups of characters: letters, UPPERcase letters, digits, symbols. Everything that is neigher letter, nor digit is considered to be a symbol.

Note: starting with Overleaf CE/Server Pro 5.0.1 environment variables have been rebranded from SHARELATEX_* to OVERLEAF_*. If you're using a 4.x version (or earlier) please use SHARELATEX_PASSWORD_VALIDATION_MIN_LENGTH, SHARELATEX_PASSWORD_VALIDATION_MAX_LENGTH and SHARELATEX_PASSWORD_VALIDATION_PATTERN.

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