A customer implements Cloud Identity-Aware Proxy for their ERP system hosted on Compute Engine.
Their security team wants to add a security layer so that the ERP systems only accept traffic from Cloud Identity-Aware Proxy.
What should the customer do to meet these requirements?
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A. B. C. D.A.
The customer has implemented Cloud Identity-Aware Proxy (Cloud IAP) to secure their ERP system hosted on Compute Engine. Cloud IAP allows customers to control access to their web applications and VMs running on Google Cloud Platform (GCP). It provides an additional layer of security by verifying the identity of the user and checking if they have the required permission to access the resource.
To ensure that the ERP system only accepts traffic from Cloud IAP, the customer needs to implement additional security measures. The options provided in the answer choices are as follows:
A. Make sure that the ERP system can validate the JWT assertion in the HTTP requests. This option suggests that the ERP system should be able to validate the JSON Web Token (JWT) assertion in the HTTP requests. JWT is a JSON-based open standard that is used for securely transmitting information between parties. In the context of Cloud IAP, JWT is used to authenticate the user and authorize their access to the protected resource. This option is a valid approach to ensure that the ERP system only accepts traffic from Cloud IAP.
B. Make sure that the ERP system can validate the identity headers in the HTTP requests. This option suggests that the ERP system should be able to validate the identity headers in the HTTP requests. Identity headers contain information about the user, such as their email address, user ID, and group membership. These headers are added to the HTTP requests by Cloud IAP. This option is a valid approach to ensure that the ERP system only accepts traffic from Cloud IAP.
C. Make sure that the ERP system can validate the x-forwarded-for headers in the HTTP requests. This option suggests that the ERP system should be able to validate the x-forwarded-for headers in the HTTP requests. The x-forwarded-for header contains the IP address of the client that initiated the request. This header is added to the HTTP requests by Cloud IAP. This option is not a valid approach to ensure that the ERP system only accepts traffic from Cloud IAP because the IP address can be spoofed or manipulated.
D. Make sure that the ERP system can validate the user's unique identifier headers in the HTTP requests. This option suggests that the ERP system should be able to validate the user's unique identifier headers in the HTTP requests. The unique identifier headers contain a unique identifier for the user, which is generated by Cloud IAP. This option is a valid approach to ensure that the ERP system only accepts traffic from Cloud IAP.
Based on the options provided, options A, B, and D are valid approaches to ensure that the ERP system only accepts traffic from Cloud IAP. However, the most secure approach would be to implement all three options. This would provide multiple layers of security and reduce the risk of a potential security breach.