Amazon_VPC_18

Ensure no security groups allow ingress from ::/0 to administration ports

Description

Security groups provide stateful filtering of ingress and egress network traffic to AWS resources. It is recommended that no security group allows unrestricted ingress access to remote server administration ports, such as SSH to port 22 and RDP to port 3389.

Remediation

From Console:
1. Login to the AWS Management Console at https://console.aws.amazon.com/vpc/home
2. In the left pane, click Security Groups
3. For each security group, perform the following
4. Select the security group
5. Click the Inbound Rules tab
6. Click the Edit inbound rules button
7. Identify the rules to be edited or removed
8. Perform one of the following:
A) Update the Source field to a range other than ::/0, or,
B) Click Delete to remove the offending inbound rule
9. Click Save rules

Service

VPC

Severity

High

Compliance

Mapping

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