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27 lines
1.2 KiB
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=========================
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Two factor authentication
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=========================
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Starting with Nextcloud 10, it is possible to use two factor authentication
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(2FA) with Nextcloud. It is a plugin based system requiring a 2FA app.
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Several 2FA apps are already available including
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`TOTP <https://en.wikipedia.org/wiki/Time-based_One-time_Password_Algorithm>`_,
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SMS 2-factor and `U2F <https://en.wikipedia.org/wiki/Universal_2nd_Factor>`_.
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Developers can `built new two-factor provider apps <https://docs.nextcloud.com/server/14/developer_manual/app/two-factor-provider.html>`_.
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.. TODO ON RELEASE: Update version number above on release
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Enabling two factor authentication
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----------------------------------
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You can enable 2FA by installing and enabling a 2FA app like TOTP which works
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with Google Authenticator and compatible apps. The apps are available in the
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Nextcloud App store so by navigating there and clicking **enable** for the app
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you want, 2FA will be installed and enabled on your Nextcloud server.
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.. figure:: ../images/2fa-app-install.png
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Once 2FA has been enabled, users have to `activate it in their personal settings. <https://docs.nextcloud.com/server/14/user_manual/user_2fa.html>`_
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.. TODO ON RELEASE: Update version number above on release
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