Questions

1. Which component acts as a stateful firewall that can filter the incoming port-based traffic of our ENI?
2. You have opened port 80 in your NACL and all the security groups of your subnet. The web servers running in the subnet are still not responding. What is the reason for this?
3. Your web instances are running the Ubuntu Linux distribution. Your website is not accessible, even after you opened port 80 in the security group and verified that the NACL allows all traffic in both directions. You were instructed to run ufw disable inside the instance by a Linux administrator and now the website is accessible. Is this the right approach to providing access to the web service?
4. You are unable to establish a connection to your web server. You have enabled the VPC Flow Logs and are seeing the following output:

2 887726112345 eni-fa9d12ad 10.0.0.10 103.0.1.172 55421 443 6 7 1132...