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---
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stage: Manage
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group: Authentication and Authorization
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info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/product/ux/technical-writing/#assignments
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type: reference, howto
---
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# Custom password length limits **(FREE SELF)**
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By default, GitLab supports passwords with the following lengths:
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- Minimum: 8 characters
- Maximum: 128 characters
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GitLab administrators can modify password lengths:
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- Using the GitLab UI. [From ](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/20661 ) GitLab
12.6, this is the only available option.
- Using configuration file. Up to GitLab 12.5.
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Changing the minimum or maximum length does not affect existing user passwords. Existing users are
not asked to reset their password to adhere to the new limits. The new limit restriction applies
only during new user sign-ups and when an existing user performs a password reset.
## Modify minimum password length using GitLab UI
> [Introduced](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/20661) in GitLab 12.6
The user password length is set to a minimum of 8 characters by default.
To change the minimum password length using GitLab UI:
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1. On the top bar, select **Main menu > Admin** .
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1. On the left sidebar, select **Settings > General** and expand **Sign-up restrictions** .
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1. Enter a **Minimum password length** value greater than or equal to `8` .
1. Select **Save changes** .
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## Modify maximum password length using configuration file
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From GitLab 12.6, the minimum password length set in this configuration file is ignored. Minimum password lengths must instead be modified via the [GitLab UI ](#modify-minimum-password-length-using-gitlab-ui ).
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The user password length is set to a maximum of 128 characters by default.
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To change that for installations from source:
1. Edit `devise_password_length.rb` :
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```shell
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cd /home/git/gitlab
sudo -u git -H cp config/initializers/devise_password_length.rb.example config/initializers/devise_password_length.rb
sudo -u git -H editor config/initializers/devise_password_length.rb
```
1. Change the new password length limits:
```ruby
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config.password_length = 12..135
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```
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In this example, the minimum length is 12 characters, and the maximum length
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is 135 characters.
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1. [Restart GitLab ](../administration/restart_gitlab.md#installations-from-source )
for the changes to take effect.
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