July 27, 2024

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We’re excited to announce the Preview of front-end mutual TLS (mTLS) assist, permitting you  to dump consumer certificates authentication utilizing Exterior HTTPS Load Balancing. With TLS offload the load balancer presents a certificates on behalf of the server that the consumer makes use of to confirm the server’s id. Now with frontend mTLS offload, the load-balancer can moreover request a certificates from the consumer and use that to confirm the consumer’s id.

Use instances

  1. mTLS assist may help prospects meet compliance necessities for regulatory requirements, corresponding to OpenBanking, the place purposes want the load balancer to authenticate the id of shoppers that connect with it.

  2. With mTLS, prospects can construct differentiated value-added safety companies on high of mutual TLS authentication foundations.

  3. IoT and Industrial prospects can use mutual TLS to authenticate their units as they name into companies hosted on Google Cloud behind the worldwide load balancer. 

  4. The worldwide exterior HTTPS Load Balancer now has mTLS consumer assist for Apigee X Northbound visitors authentication.

  5. mTLS permits Google safety options corresponding to Identification Conscious Proxy to implement consumer certificate-based entry management for purposes hosted on Google.

Configuring mutual TLS 

To arrange mutual TLS on international exterior HTTP(S) load balancing you configure how the load balancer ought to authenticate incoming connections, together with the belief configuration required to authenticate consumer certs. You specify: 

  • A server TLS coverage that tells the load balancer the way it ought to authenticate incoming requests and deal with a failed certificates validation.

  • A belief configuration, utilizing Certificates Supervisor assets, that expresses a sequence of belief that the load balancer makes use of to authenticate consumer certificates. This lets you use consumer certificates issued by your alternative of third-party Certificates Authority, certificates issued by non-public Certificates Authority, or user-generated certificates. 

Supported options

After certificates validation, the load balancer can present the next info as customized request headers to the backend:

  • A fingerprint of the certificates 

  • Chosen well-known fields corresponding to certificates serial quantity, SANS, and many others., if the certificates passes belief chain validation

  • The validation consequence and any validation errors

What’s subsequent ? 

We’re simply getting began with our mutual TLS journey. We’ll quickly be extending this assist on regional inside and exterior load balancers along with further requested options. 

We hope these new options will allow you to deploy HTTPS seamlessly and supply a extra scalable and safe service to your prospects.

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