We have customer that requires RHSSO integration with OSSM 3.x 

 
Customer require this to enhance their secured applications to be accessible by authorized users only.
 
Customer tried this using blog and failing [ Not suggested by support but customer is testing this themselves for their security usecase ]:
 
 

https://www.redhat.com/en/blog/restricting-user-access-via-service-mesh-2.0-and-red-hat-single-sign-on 

https://github.com/ghurel-rh/servicemesh-2-rhsso-examples/tree/master/approach_3