Amazon EC2 best security practice methods to follow
AWS EC2 – Security Group
The Security Group in AWS Ec2 is acting as a firewall. By default security group block all ports. You need to specify the port numbers in the security group to open. It is a good security practice to open ports for a specific network instead of open network (0.0.0.0/0)
By this method you can block unwanted access from unwanted networks.
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