@@ -428,6 +428,72 @@ user logs out::
428428 ],
429429 ]);
430430
431+
432+ ~~~~~~~~~~~~~~~
433+
434+ **type **: ``array `` **default **: ``[] ``
435+
436+ The Clear-Site-Data header clears browsing data (cookies, storage, cache) associated with the requesting website.
437+ It allows web developers to have more control over the data stored by a client browser for their origins.
438+ Allowed values are ``cache ``, ``cookies ``, ``storage `` and ``executionContexts ``.
439+ And it's possible to use ``* `` as a wildcard for all directives::
440+
441+ ..configuration-block ::
442+
443+ ..code-block ::yaml
444+
445+ # config/packages/security.yaml
446+ security :
447+ # ...
448+
449+ firewalls :
450+ main :
451+ # ...
452+ logout :
453+ clear_site_data :
454+ -cookies
455+ -storage
456+
457+ code-block ::xml
458+
459+ <!-- config/packages/security.xml-->
460+ <?xml version =" 1.0" encoding =" UTF-8"
461+ <srv : container xmlns =" http://symfony.com/schema/dic/security"
462+ xmlns : xsi =" http://www.w3.org/2001/XMLSchema-instance"
463+ xmlns : srv =" http://symfony.com/schema/dic/services"
464+ xsi : schemaLocation =" http://symfony.com/schema/dic/services
465+ https://symfony.com/schema/dic/services/services-1.0.xsd" >
466+
467+ <config >
468+ <!-- ...-->
469+
470+ <firewall name =" main"
471+ <!-- ...-->
472+ <logout path =" ..."
473+ <clear-site-data >cookies</clear-site-data >
474+ <clear-site-data >storage</clear-site-data >
475+ </logout >
476+ </firewall >
477+ </config >
478+ </srv : container >
479+
480+ code-block ::php
481+
482+ // config/packages/security.php
483+ $container->loadFromExtension('security', [
484+ // ...
485+ 'firewalls' => [
486+ 'main' => [
487+ 'logout' => [
488+ 'clear_site_data' => [
489+ 'cookies',
490+ 'storage',
491+ ],
492+ ],
493+ ],
494+ ],
495+ ]);
496+
431497
432498~~~~~~~~~~~~~~~~~~
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