Check your EC2 security groups for inbound rules that allow unrestricted access (i.e. 0.0.0.0/0) to TCP port 443 and restrict access to only those IP addresses that require it in order to implement the principle of least privilege and reduce the possibility of a breach.
This rule can help you with the following compliance standards:
For further details on compliance standards supported by Conformity, see here.
This rule can help you work with the AWS Well-Architected Framework.
This rule resolution is part of the Conformity Security & Compliance tool for AWS.
Allowing unrestricted HTTPS access can increase opportunities for malicious activity such as hacking, denial-of-service (DoS) attacks and loss of data.
To determine if your EC2 security groups allow unrestricted HTTPS access, perform the following:
Remediation / Resolution
To update your security groups inbound/ingress configuration in order to restrict HTTPS access to specific entities (IP addresses, IP ranges, etc), perform the following:
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You are auditing:
Unrestricted HTTPS Access
Risk level: Medium