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Decryption: Received fatal alert CertificateUnknown from client

LCMember40912
L2 Linker

‎02-16-2024 11:24 AM

Hi Folks, 

 

I'm seeing some instances of "Received fatal alert CertificateUnknown from client" errors in the decryption log when the root\issuer certs are clearly in the FW's cert store. Attached are screenshots of the error and the FW's cert store. Any ideas on what could be going wrong here?

I'm seeing this on PAN OS 11.0.2-h3 & 10.2.7-h3.

 

Thanks for your thoughts!

 

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