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Status Functionality already exists
Workspace DataPower Gateway
Created by Guest
Created on Jul 30, 2024

RELATED IDEAS

Add possibility to modify the default "x-client-certificate" header

See this idea on ideas.ibm.com

Hello IBM;

We have an API with "application authentication" enabled and the source is set to header:

x-ibm-configuration:
 application-authentication:
 certificate: true
 application-authentication-source:
 - header


The expected header name is:"x-client-certificate" and it cannot be modified.

Could this name be configurable?


Amazon Web Services is implementing the ALB with mTLS Passthrough since March 2024, but the ALB is sending the certificate in the "x-amzn-mtls-clientcert" header. This header is not configurable at AWS side either, so it is not possible to take advantage of this new feature:


https://aws.amazon.com/blogs/networking-and-content-delivery/introducing-mtls-for-application-load-balancer/#:~:text=X%2DAmzn%2DMtls%2DClientcert%3A%C2%A0


https://docs.aws.amazon.com/elasticloadbalancing/latest/application/mutual-authentication.html#:~:text=the%20following%20header.-,X%2DAmzn%2DMtls%2DClientcert,-HTTP%20headers%20for


Thank you.

Idea priority Urgent
  • Admin
    Ulas Cubuk
    Reply
    |     Aug 30, 2024

    HI, thanks for raising this request. Although the header name is not exposed to APIM, it is editable directly from DataPower. https://www.ibm.com/docs/en/datapower-gateway/10.6.0?topic=commands-api-mutual-tls-header-name

    Therefore, modifying api-mutual-tls-header-name attribute with a value other than the default X-Client-Certificate value via gwd_extension might be a possible solution to test for your environment. (see: https://www.ibm.com/docs/en/api-connect/10.0.8?topic=type-api-definition) For example, using an override map like below which will change X-Client-Certificate to a custom header name for an API (such as myapi:1.0.0)

    { "api-definition":{ "_global":{ "_instance":{ "myapi:1.0.0":{ "api-definition":[ "api-mutual-tls-header-name my-custom-tls-header" ] } } } } }

    Given that there is a possible solution, we are closing the request for now. We hope this meets your requirement if not please comment here or open a new Idea. This idea will be kept in IBM's ideas repository and may still be voted on.

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