on va refaire le fichier sécurité

app/config/security.yml

 security:
-    encoders:
-        FOS\UserBundle\Model\UserInterface: bcrypt
 
-    role_hierarchy:
-        ROLE_ADMIN:       ROLE_USER
-        ROLE_SUPER_ADMIN: ROLE_ADMIN
-
-    providers:
-        fos_userbundle:
-            id: fos_user.user_provider.username
-
-    firewalls:
-        main:
-            pattern: ^/
-            anonymous:    true
-            form_login:
-                provider: fos_userbundle
-                login_path: fos_user_security_login
-                check_path: fos_user_security_check
-                default_target_path: techno_homepage
-                use_referer : true
-                csrf_token_generator: security.csrf.token_manager # Use form.csrf_provider instead for Symfony <2.4
-            logout:
-                path:       fos_user_security_logout
-                target:     fos_user_security_login
-
-    access_control:
-        - { path: ^/login$, role: IS_AUTHENTICATED_ANONYMOUSLY }
-        - { path: ^/register, role: IS_AUTHENTICATED_ANONYMOUSLY }
-        - { path: ^/resetting, role: IS_AUTHENTICATED_ANONYMOUSLY }
-        - { path: ^/asso/, role: ROLE_ADMIN }