feature #7760 Update status code for untrusted hosts (thewilkybarkid)

This PR was merged into the master branch.

Discussion
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Update status code for untrusted hosts

As of symfony/symfony#20962, the user will receive a `400 Bad Request`.

Commits
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b1887d9 Update status code for untrusted hosts

Author: xabbuh

reference/configuration/framework.rst

@@ -340,7 +340,7 @@ the configuration of your web server. One simple solution to avoid these
 attacks is to whitelist the hosts that your Symfony application can respond
 to. That's the purpose of this ``trusted_hosts`` option. If the incoming
 request's hostname doesn't match one in this list, the application won't
-respond and the user will receive a 500 response.
+respond and the user will receive a 400 response.
 
 .. configuration-block::