title: Symfony - parametrized ips in security.yml
body: <p>In my app I have api and admin access, I am trying to move allowed ips to parameters.yml
  Composer stores array as:</p>
  
  <pre><code>api_allowed_ips:
      - 127.0.0.1
      - 192.168.0.1
  </code></pre>
  
  <p>Then in security.yml I do:</p>
  
  <pre><code>- { path: ^/api/login, roles: IS_AUTHENTICATED_ANONYMOUSLY, ips: %api_allowed_ips% }
  </code></pre>
  
  <p>But it does not work, all IPs are let through. Am I doing something wrong or is this not possible at all?</p>