title: Redshift COPY command failing to Load Data from S3
body: <p>We are facing error while we are trying to load a huge zip file from S3 bucket to redshift from EC2 instance and even aginity. Waht is the real issue here?</p>
  
  <p>As far as we have checked this can be because of the VPC NACL rules but not sure.</p>
  
  <blockquote>
    <p>Error :
    ERROR:  Connection timed out after 50000 milliseconds</p>
  </blockquote>