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Are there pre-built security groups with well-known rules and rule groups? Like the Terraform "aws security-group" module? I'd like a shortcut for creating the security group needed for EC2 instances to join an AD domain, and there's about 16 well-known rules needed...

I'm not aware of a community module for this.

This should be really straightforward with something like below:

```const adSg = new aws.ec2.SecurityGroup("ad", {
    vpcId: vpc.id, 
    egress: [
      // your rules here
    ]
});```

I'm curious... what does the Terraform security-group module provide in addition to this?

Named port/protocol combinations (e.g. `activemq-5671-tcp` and `activemq-61614-tcp`), and named rule groups (e.g. `activemq`), and a couple of snart wrappers.

So you can create things like an ingress activemq security group in about 10 lines.

ActiveMQ only needs (iirc) 5 rules.. AD is much bigger, needs about 16 egress rules for the Domain members. Fortunately, just creating an AD directory creates the equivalent ingress security group for the controller.

Is there a usual way to contribute community modules? I need to create two ComponentResources for AD, and the "member" one might be big enough to save someone else some effort. There's a security group, all the rules, the SSM document and the IAM stuff needed to use it.

I haven’t looked deeply yet but does the `awsx` package have some of what you need? <https://www.pulumi.com/docs/reference/pkg/nodejs/pulumi/awsx/ec2/#security-groups>