Ensure Unknown Port is not exposed to the entire internet

Unknown Port is exposed to the entire internet. Exposed ports may allow attackers to access the application listening on that port.

In AWS Console -

1. Sign in the AWS Console and go to the Amazon VPC console.
2. In the navigation pane, select Security Groups.
3. For each security group, perform the following actions:
   a) Select the security group.
   b) Select the Inbound Rules.
   c) Identify the rules to be removed.
   d) Remove the required rules.
4. Click Save.