diff --git a/book/controller.rst b/book/controller.rst
index e79af5c803c..d424d8b4426 100644
--- a/book/controller.rst
+++ b/book/controller.rst
@@ -429,35 +429,47 @@ A great way to see the core functionality in action is to look in the
 Redirecting
 ~~~~~~~~~~~
 
-If you want to redirect the user to another page, use the
-:method:`Symfony\\Bundle\\FrameworkBundle\\Controller\\Controller::redirect`
-method::
+If you want to redirect the user to another page, use the ``redirectToRoute()`` method::
 
     public function indexAction()
     {
-        return $this->redirect($this->generateUrl('homepage'));
+        return $this->redirectToRoute('homepage');
+
+        // redirectToRoute is equivalent to using redirect() and generateUrl() together:
+        // return $this->redirect($this->generateUrl('homepage'), 301);
     }
 
-The ``generateUrl()`` method is just a helper function that generates the URL
-for a given route. For more information, see the :doc:`Routing </book/routing>`
-chapter.
+.. versionadded:: 2.6
+    The ``redirectToRoute()`` method was added in Symfony 2.6. Previously (and still now), you
+    could use ``redirect()`` and ``generateUrl()`` together for this (see the example above).
+
+Or, if you want to redirect externally, just use ``redirect()`` and pass it the URL::
+
+    public function indexAction()
+    {
+        return $this->redirect('http://symfony.com/doc');
+    }
 
-By default, the ``redirect()`` method performs a 302 (temporary) redirect. To
+By default, the ``redirectToRoute()`` method performs a 302 (temporary) redirect. To
 perform a 301 (permanent) redirect, modify the second argument::
 
     public function indexAction()
     {
-        return $this->redirect($this->generateUrl('homepage'), 301);
+        return $this->redirectToRoute('homepage', array(), 301);
     }
 
 .. tip::
 
-    The ``redirect()`` method is simply a shortcut that creates a ``Response``
-    object that specializes in redirecting the user. It's equivalent to::
+    The ``redirectToRoute()`` method is simply a shortcut that creates a
+    ``Response`` object that specializes in redirecting the user. It's
+    equivalent to::
 
         use Symfony\Component\HttpFoundation\RedirectResponse;
 
-        return new RedirectResponse($this->generateUrl('homepage'));
+        public function indexAction()
+        {
+            return new RedirectResponse($this->generateUrl('homepage'));
+        }
 
 .. index::
    single: Controller; Rendering templates
@@ -623,12 +635,14 @@ For example, imagine you're processing a form submit::
         if ($form->isValid()) {
             // do some sort of processing
 
-            $request->getSession()->getFlashBag()->add(
+            $this->addFlash(
                 'notice',
                 'Your changes were saved!'
             );
 
-            return $this->redirect($this->generateUrl(...));
+            // $this->addFlash is equivalent to $this->get('session')->getFlashBag()->add
+
+            return $this->redirectToRoute(...);
         }
 
         return $this->render(...);
@@ -638,8 +652,8 @@ After processing the request, the controller sets a ``notice`` flash message
 in the session and then redirects. The name (``notice``) isn't significant -
 it's just something you invent and reference next.
 
-In the template of the next page (or even better, in your base layout template),
-the following code will render the ``notice`` message:
+In the template of the next action, the following code could be used to render
+the ``notice`` message:
 
 .. configuration-block::
 
diff --git a/book/doctrine.rst b/book/doctrine.rst
index e60ab0118fe..989e6df93eb 100644
--- a/book/doctrine.rst
+++ b/book/doctrine.rst
@@ -667,7 +667,7 @@ you have a route that maps a product id to an update action in a controller::
         $product->setName('New product name!');
         $em->flush();
 
-        return $this->redirect($this->generateUrl('homepage'));
+        return $this->redirectToRoute('homepage');
     }
 
 Updating an object involves just three steps:
diff --git a/book/forms.rst b/book/forms.rst
index 7bdfd2d991c..4eba6a4f60e 100644
--- a/book/forms.rst
+++ b/book/forms.rst
@@ -234,7 +234,7 @@ controller::
         if ($form->isValid()) {
             // perform some action, such as saving the task to the database
 
-            return $this->redirect($this->generateUrl('task_success'));
+            return $this->redirectToRoute('task_success');
         }
 
         // ...
@@ -319,7 +319,7 @@ querying if the "Save and add" button was clicked::
             ? 'task_new'
             : 'task_success';
 
-        return $this->redirect($this->generateUrl($nextAction));
+        return $this->redirectToRoute($nextAction);
     }
 
 .. index::
@@ -1233,7 +1233,7 @@ it after a form submission can be done when the form is valid::
         $em->persist($task);
         $em->flush();
 
-        return $this->redirect($this->generateUrl('task_success'));
+        return $this->redirectToRoute('task_success');
     }
 
 If, for some reason, you don't have access to your original ``$task`` object,
diff --git a/book/propel.rst b/book/propel.rst
index 9ff589afb04..483fbfdaedb 100644
--- a/book/propel.rst
+++ b/book/propel.rst
@@ -234,7 +234,7 @@ have a route that maps a product id to an update action in a controller::
         $product->setName('New product name!');
         $product->save();
 
-        return $this->redirect($this->generateUrl('homepage'));
+        return $this->redirectToRoute('homepage');
     }
 
 Updating an object involves just three steps:
diff --git a/book/security.rst b/book/security.rst
index cb383cfa7d9..f96a277c256 100644
--- a/book/security.rst
+++ b/book/security.rst
@@ -813,23 +813,25 @@ You can easily deny access from inside a controller::
 
     public function helloAction($name)
     {
-        if (false === $this->get('security.authorization_checker')->isGranted('ROLE_ADMIN')) {
-            throw $this->createAccessDeniedException();
-        }
+        // The second parameter is used to specify on what object the role is tested.
+        $this->denyAccessUnlessGranted('ROLE_ADMIN', null, 'Unable to access this page!');
+
+        // Old way :
+        // if (false === $this->get('security.context')->isGranted('ROLE_ADMIN')) {
+        //     throw $this->createAccessDeniedException('Unable to access this page!');
+        // }
 
         // ...
     }
 
 .. versionadded:: 2.6
-     The ``security.authorization_checker`` service was introduced in Symfony 2.6. Prior
-     to Symfony 2.6, you had to use the ``isGranted()`` method of the ``security.context`` service.
-
-.. versionadded:: 2.5
-    The ``createAccessDeniedException`` method was introduced in Symfony 2.5.
+    The ``denyAccessUnlessGranted()`` method was introduced in Symfony 2.6. Previously (and
+    still now), you could check access directly and throw the ``AccessDeniedException`` as shown
+    in the example above).
 
-The :method:`Symfony\\Bundle\\FrameworkBundle\\Controller\\Controller::createAccessDeniedException`
-method creates a special :class:`Symfony\\Component\\Security\\Core\\Exception\\AccessDeniedException`
-object, which ultimately triggers a 403 HTTP response inside Symfony.
+In both cases, a special
+:class:`Symfony\\Component\\Security\\Core\\Exception\\AccessDeniedException`
+is thrown, which ultimately triggers a 403 HTTP response inside Symfony.
 
 That's it! If the user isn't logged in yet, they will be asked to login (e.g.
 redirected to the login page). If they *are* logged in, they'll be shown
diff --git a/book/validation.rst b/book/validation.rst
index a7a6a3c1d75..fd4264d7a1d 100644
--- a/book/validation.rst
+++ b/book/validation.rst
@@ -231,7 +231,7 @@ workflow looks like the following from inside a controller::
         if ($form->isValid()) {
             // the validation passed, do something with the $author object
 
-            return $this->redirect($this->generateUrl(...));
+            return $this->redirectToRoute(...);
         }
 
         return $this->render('BlogBundle:Author:form.html.twig', array(
diff --git a/components/form/introduction.rst b/components/form/introduction.rst
index 7321a1029a1..2e4a6e891f9 100644
--- a/components/form/introduction.rst
+++ b/components/form/introduction.rst
@@ -587,7 +587,7 @@ method:
 
                 // ... perform some action, such as saving the data to the database
 
-                return $this->redirect($this->generateUrl('task_success'));
+                return $this->redirectToRoute('task_success');
             }
 
             // ...
diff --git a/cookbook/doctrine/file_uploads.rst b/cookbook/doctrine/file_uploads.rst
index ab52ae4c940..21910b7d2d2 100644
--- a/cookbook/doctrine/file_uploads.rst
+++ b/cookbook/doctrine/file_uploads.rst
@@ -244,7 +244,7 @@ The following controller shows you how to handle the entire process::
             $em->persist($document);
             $em->flush();
 
-            return $this->redirect($this->generateUrl(...));
+            return $this->redirectToRoute(...);
         }
 
         return array('form' => $form->createView());
@@ -267,7 +267,7 @@ in a moment to handle the file upload::
         $em->persist($document);
         $em->flush();
 
-        return $this->redirect(...);
+        return $this->redirectToRoute(...);
     }
 
 The ``upload()`` method will take advantage of the :class:`Symfony\\Component\\HttpFoundation\\File\\UploadedFile`
@@ -432,7 +432,7 @@ call to ``$document->upload()`` should be removed from the controller::
         $em->persist($document);
         $em->flush();
 
-        return $this->redirect(...);
+        return $this->redirectToRoute(...);
     }
 
 .. note::
diff --git a/cookbook/doctrine/registration_form.rst b/cookbook/doctrine/registration_form.rst
index 4e4abbb5a05..b6849791212 100644
--- a/cookbook/doctrine/registration_form.rst
+++ b/cookbook/doctrine/registration_form.rst
@@ -287,7 +287,7 @@ the validation and saves the data into the database::
             $em->persist($registration->getUser());
             $em->flush();
 
-            return $this->redirect(...);
+            return $this->redirectToRoute(...);
         }
 
         return $this->render(
diff --git a/cookbook/expression/expressions.rst b/cookbook/expression/expressions.rst
index 63fc728343c..73e43745bb8 100644
--- a/cookbook/expression/expressions.rst
+++ b/cookbook/expression/expressions.rst
@@ -33,11 +33,9 @@ accepts an :class:`Symfony\\Component\\ExpressionLanguage\\Expression` object::
 
     public function indexAction()
     {
-        if (!$this->get('security.authorization_checker')->isGranted(new Expression(
+        $this->denyAccessUnlessGranted(new Expression(
             '"ROLE_ADMIN" in roles or (user and user.isSuperAdmin())'
-        ))) {
-            throw $this->createAccessDeniedException();
-        }
+        ));
 
         // ...
     }
diff --git a/cookbook/form/direct_submit.rst b/cookbook/form/direct_submit.rst
index 221f7f534d8..7166210319b 100644
--- a/cookbook/form/direct_submit.rst
+++ b/cookbook/form/direct_submit.rst
@@ -25,7 +25,7 @@ submissions::
         if ($form->isValid()) {
             // perform some action...
 
-            return $this->redirect($this->generateUrl('task_success'));
+            return $this->redirectToRoute('task_success');
         }
 
         return $this->render('AcmeTaskBundle:Default:new.html.twig', array(
@@ -66,7 +66,7 @@ method, pass the submitted data directly to
             if ($form->isValid()) {
                 // perform some action...
 
-                return $this->redirect($this->generateUrl('task_success'));
+                return $this->redirectToRoute('task_success');
             }
         }
 
@@ -111,7 +111,7 @@ a convenient shortcut to the previous example::
             if ($form->isValid()) {
                 // perform some action...
 
-                return $this->redirect($this->generateUrl('task_success'));
+                return $this->redirectToRoute('task_success');
             }
         }
 
diff --git a/cookbook/form/form_collections.rst b/cookbook/form/form_collections.rst
index 638a1dc2f49..32ccbc263f6 100644
--- a/cookbook/form/form_collections.rst
+++ b/cookbook/form/form_collections.rst
@@ -717,7 +717,7 @@ the relationship between the removed ``Tag`` and ``Task`` object.
                 $em->flush();
 
                 // redirect back to some edit page
-                return $this->redirect($this->generateUrl('task_edit', array('id' => $id)));
+                return $this->redirectToRoute('task_edit', array('id' => $id));
             }
 
             // render some form template
diff --git a/cookbook/security/remember_me.rst b/cookbook/security/remember_me.rst
index 4a302a16c49..93987552e68 100644
--- a/cookbook/security/remember_me.rst
+++ b/cookbook/security/remember_me.rst
@@ -162,19 +162,11 @@ In the following example, the action is only allowed if the user has the
 
     public function editAction()
     {
-        if (false === $this->get('security.authorization_checker')->isGranted(
-            'IS_AUTHENTICATED_FULLY'
-           )) {
-            throw new AccessDeniedException();
-        }
+        $this->denyAccessUnlessGranted('IS_AUTHENTICATED_FULLY');
 
         // ...
     }
 
-.. versionadded:: 2.6
-    The ``security.authorization_checker`` service was introduced in Symfony 2.6. Prior
-    to Symfony 2.6, you had to use the ``isGranted()`` method of the ``security.context`` service.
-
 If your application is based on the Symfony Standard Edition, you can also secure
 your controller using annotations:
 
diff --git a/cookbook/security/securing_services.rst b/cookbook/security/securing_services.rst
index f877cffd125..0b37720654a 100644
--- a/cookbook/security/securing_services.rst
+++ b/cookbook/security/securing_services.rst
@@ -5,41 +5,34 @@
 How to Secure any Service or Method in your Application
 =======================================================
 
-In the security chapter, you can see how to :ref:`secure a controller <book-security-securing-controller>`
-by requesting the ``security.authorization_checker`` service from the Service Container
-and checking the current user's role::
+In the security chapter, you can see how to
+:ref:`secure a controller <book-security-securing-controller>` by requesting
+the ``security.authorization_checker`` service from the Service Container and
+checking the current user's role::
 
     // ...
     use Symfony\Component\Security\Core\Exception\AccessDeniedException;
 
     public function helloAction($name)
     {
-        if (false === $this->get('security.authorization_checker')->isGranted('ROLE_ADMIN')) {
-            throw new AccessDeniedException();
-        }
+        $this->denyAccessUnlessGranted('ROLE_ADMIN');
 
         // ...
     }
 
-.. versionadded:: 2.6
-    The ``security.authorization_checker`` service was introduced in Symfony 2.6. Prior
-    to Symfony 2.6, you had to use the ``isGranted()`` method of the ``security.context`` service.
-
-You can also secure *any* service in a similar way by injecting the ``security.authorization_checker``
+You can also secure *any* service by injecting the ``security.authorization_checker``
 service into it. For a general introduction to injecting dependencies into
 services see the :doc:`/book/service_container` chapter of the book. For
 example, suppose you have a ``NewsletterManager`` class that sends out emails
-and you want to restrict its use to only users who have some ``ROLE_NEWSLETTER_ADMIN``
-role. Before you add security, the class looks something like this:
-
-.. code-block:: php
+and you want to restrict its use to only users who have some
+``ROLE_NEWSLETTER_ADMIN`` role. Before you add security, the class looks
+something like this::
 
     // src/AppBundle/Newsletter/NewsletterManager.php
     namespace AppBundle\Newsletter;
 
     class NewsletterManager
     {
-
         public function sendNewsletter()
         {
             // ... where you actually do the work
@@ -55,8 +48,9 @@ check, this is an ideal candidate for constructor injection, which guarantees
 that the authorization checker object will be available inside the ``NewsletterManager``
 class::
 
-    namespace AppBundle\Newsletter;
+    // src/AppBundle/Newsletter/NewsletterManager.php
 
+    // ...
     use Symfony\Component\Security\Core\Authorization\AuthorizationCheckerInterface;
 
     class NewsletterManager