title: HAproxy ACL . Block all connection to Haproxy By default and allow only Specific IP
body: <p>I am trying to solving a scenario now using haproxy. The scenario as below</p>
  
  <ul>
  <li>Block all IP by default</li>
  <li>Allow only connection from a specific IP address</li>
  <li>If any connections come from a whilelist IP, if should reject if it exceed more than 10 concurrent connection in 30 sec</li>
  </ul>
  
  <p>I want to do this to reduce number of API calls into my server. Could any one please help me with this?</p>
  
  <p>Thanks</p>