Added TRUSTED_PROXIES env variable

config/packages/framework.yaml

@@ -3,6 +3,8 @@ framework:
     secret: '%env(APP_SECRET)%'
     #csrf_protection: true
     http_method_override: false
+    trusted_proxies: '%env(TRUSTED_PROXIES)%'
+    trusted_headers: ['x-forwarded-for', 'x-forwarded-host', 'x-forwarded-proto', 'x-forwarded-port', 'x-forwarded-prefix']
 
     # Enables session support. Note that the session will ONLY be started if you read or write from it.
     # Remove or comment this section to explicitly disable session support.

config/services.yaml

@@ -9,6 +9,7 @@ parameters:
     env(GITHUB_NO_API): true
     env(PACKAGIST_DIST_PATH): '%kernel.project_dir%/var/zipball'
     env(PACKAGE_UPDATE_INTERVAL): 14400
+    env(TRUSTED_PROXIES): null
 
     # twig sandbox
     security_policy_tags: ['app', 'for', 'if', 'spaceless', 'set', 'do', 'apply', 'verbatim']