What are ECS security groups and how do they work?

What are ECS security groups and how do they work?

ECS security groups are virtual firewalls that control inbound and outbound traffic for your ECS tasks and services.

How do I create a security group for my ECS service?

You can create a security group in the AWS Management Console under the EC2 section, then assign it to your ECS service.

Can I use existing security groups for my ECS tasks?

Yes, you can assign existing security groups to your ECS tasks when you launch them.

What rules should I set in my security group?

It depends on your application, but generally, allow HTTP/HTTPS for web apps and restrict other ports.