anchor.diff:  
   + To list the all the policies in your deployment, enter the following command:
   
  -    <pre>
  +    <pre class="terminal">
       $ cf list-access
       </pre>
   + To list the policies for an app, enter the following command:
   
  -    <pre>
  +    <pre class="terminal">
       $ cf list-access --app MY-APP
       </pre>
   
  -    For example,
  +    The following example command lists policies for the app `frontend`:
       
       <pre class="terminal">
       $ cf list-access --app frontend
  
positive.code: 
  1. To change the permissions of the plugin file and complete the installation, enter the following commands:
  
      <pre>
      $ chmod +x ~/Downloads/network-policy-plugin
      $ cf install-plugin ~/Downloads/network-policy-plugin
      </pre>
  
negative.code: 
  To create a policy that allows direct network traffic from one app to another, enter the following command:
  
  <pre class="terminal">
  $ cf allow-access SOURCE-APP DESTINATION-APP --protocol PROTOCOL --port PORT
  </pre>
  
  Replace the placeholders in the above command as follows:
  
  * `SOURCE-APP` is the name of the app that will be sending traffic.<br>
  * `DESTINATION-APP` is the name of the app that will be receiving traffic.<br>
  * `PROTOCOL` is one of the following: `tcp` or `udp`.<br>
  * `PORT` is the port at which to connect to the destination app. The allowed range is 1 to 65535.<br>
  
  The following example command allows access from the `frontend` app to the `backend` app over TCP at port 8080:
  
  <pre class="terminal">
  $ cf allow-access frontend backend --protocol tcp --port 8080
  