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Fix : the "secret" config parameter is not used anymore for CSRF tokens #7891

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May 17, 2017
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Fix : the "secret" config parameter is not used anymore for CSRF tokens #7891

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5 changes: 3 additions & 2 deletions reference/configuration/framework.rst
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Expand Up @@ -131,10 +131,11 @@ used to add more entropy to security related operations. Its value should
be a series of characters, numbers and symbols chosen randomly and the
recommended length is around 32 characters.

In practice, Symfony uses this value for generating the
:doc:`CSRF tokens </form/csrf_protection>`, for encrypting the cookies used
In practice, Symfony uses this value for encrypting the cookies used
in the :doc:`remember me functionality </security/remember_me>` and for
creating signed URIs when using :ref:`ESI (Edge Side Includes) <edge-side-includes>`.
Up to version 2.4, Symfony used this value for generating the
:doc:`CSRF tokens </form/csrf_protection>`.
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I would just drop this sentence entirely.

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As you wish, you know better than me the best practices of Symfony's documentation


This option becomes the service container parameter named ``kernel.secret``,
which you can use whenever the application needs an immutable random string
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