Oracle Access Manager (OAM) OAuth Flow Fails For MTLS Token Request "Certificate not present in request. Provide a valid client certificate" (Doc ID 2981172.1)

Last updated on OCTOBER 18, 2023

Applies to:

Oracle Access Manager - Version 12.2.1.4.0 and later
Information in this document applies to any platform.

OAuth mTLS token request failure

Setup an Identity Domain and an OAuth Client with mTLS using 2-Legged flow with a token request routed directly to the Managed Server.
OAM Server diagnostic log shows
Initially this set up worked, but stopped working and is now throwing the exception

Steps to Reproduce

1. Setup an Identity Domain and an OAuth Client with mTLS

2. Configure SSL/TLS termination at proxy server

3. testing out the 2-Legged flow with a token request routed directly to the Managed Server

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In this Document

Symptoms

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