title: AWS RDS Database show timeout error
body: <p>When accessing RDS from an EC2 instance that time show me timeout error</p>
  
  <pre><code>Fatal error: Uncaught PDOException: SQLSTATE[HY000] [2002] Connection timed out in
  </code></pre>
  
  <p>i have try to specifying the IP address of the EC2 instance and specify the internal IP of the RDS instance but error is same.</p>