67 lines
2.3 KiB
Markdown
67 lines
2.3 KiB
Markdown
# Two-factor Authentication (2FA)
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Two-factor Authentication (2FA) provides an additional level of security to your
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GitLab account. Once enabled, in addition to supplying your username and
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password to login, you'll be prompted for a code generated by an application on
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your phone.
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By enabling 2FA, the only way someone other than you can log into your account
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is to know your username and password *and* have access to your phone.
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## Enabling 2FA
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**In GitLab:**
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1. Log in to your GitLab account.
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1. Go to your **Profile Settings**.
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1. Go to **Account**.
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1. Click **Enable Two-factor Authentication**.
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**On your phone:**
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1. Install a compatible application. We recommend [Google Authenticator]
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\(proprietary\) or [FreeOTP] \(open source\).
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1. In the application, add a new entry in one of two ways:
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* Scan the code with your phone's camera to add the entry automatically.
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* Enter the details provided to add the entry manually.
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**In GitLab:**
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1. Enter the six-digit pin number from the entry on your phone into the **Pin
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code** field.
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1. Click **Submit**.
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If the pin you entered was correct, you'll see a message indicating that
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Two-factor Authentication has been enabled, and you'll be presented with a list
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of recovery codes.
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## Recovery Codes
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Should you ever lose access to your phone, you can use one of the ten provided
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backup codes to login to your account. We suggest copying or printing them for
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storage in a safe place. **Each code can be used only once** to log in to your
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account.
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If you lose the recovery codes or just want to generate new ones, you can do so
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from the **Profile Settings** > **Account** page where you first enabled 2FA.
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## Logging in with 2FA Enabled
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Logging in with 2FA enabled is only slightly different than a normal login.
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Enter your username and password credentials as you normally would, and you'll
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be presented with a second prompt for an authentication code. Enter the pin from
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your phone's application or a recovery code to log in.
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## Disabling 2FA
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1. Log in to your GitLab account.
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1. Go to your **Profile Settings**.
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1. Go to **Account**.
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1. Click **Disable Two-factor Authentication**.
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[Google Authenticator]: https://support.google.com/accounts/answer/1066447?hl=en
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[FreeOTP]: https://fedorahosted.org/freeotp/
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