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Patch 37960098 (19.28) broke our existing RADIUS implementation. Any SQL*Net parameter workaround?

in Database Networking (MOSC) 3 commentsAnswered

We recently applied Patch 37960098 to a few test database hosts and it caused "TNS-12641: Authentication service failed to initialize" and

"TNS-00504: Operation not supported" errors for clients setup with RADIUS external authentication. Additionally, BEQ connections, LOCAL=YES, were failing with TNS-12641 errors. Apparently this is a "new feature" in 19.28 where RADIUS is now routed over TLS by default. This breaks our existing RADIUS implementation. We tried unsuccessfully the following two SQL*Net parameters

SQLNET.RADIUS_ALLOW_WEAK_CLIENTS=TRUE

SQLNET.RADIUS_ALLOW_WEAK_PROTOCOL=TRUE

But this did not help. Has anyone discovered a workaround such that their existing RADIUS implementation is not affected by 19.28?

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