Feature Overview (aka. Goal Summary)  

Support for the X-Azure-FDID HTTP header

Goals (aka. expected user outcomes)

• This feature is required by Azure customers to secure workloads exposed behind an Azure Front Door. [link
• Without that feature the workloads are accessible by other Azure customers that deployed a Front door.
• https://github.com/openshift/router/pull/437/files

Requirements (aka. Acceptance Criteria):

• R& D to break down the ask . Does this apply only for Azure ?
• Design and implement API for enabling customers to secure their workloads from other front door deployed workloads.
• Testing 
• Documentation 
• Tech Enablement 

Use Cases (Optional):

Include use case diagrams, main success scenarios, alternative flow scenarios.  Initial completion during Refinement status.

Questions to Answer (Optional):

Include a list of refinement / architectural questions that may need to be answered before coding can begin.  Initial completion during Refinement status.

Out of Scope

High-level list of items that are out of scope.  Initial completion during Refinement status.

Background

This feature is required by Azure to secure workloads exposed behind an Azure Front Door [2].
Without that feature the workloads are accessible by other Azure customers that deployed a Front door.
 
[1] https://issues.redhat.com/browse/RFE-3490

[2] https://learn.microsoft.com/en-us/azure/frontdoor/origin-security?tabs=aks-nginx&pivots=front-door-standard-premium#front-door-identifier
 

Customer Considerations

Provide any additional customer-specific considerations that must be made when designing and delivering the Feature.  Initial completion during Refinement status.

Documentation Considerations

Provide information that needs to be considered and planned so that documentation will meet customer needs.  Initial completion during Refinement status.

Interoperability Considerations

Which other projects and versions in our portfolio does this feature impact?  What interoperability test scenarios should be factored by the layered products?  Initial completion during Refinement status.