The End of ClientAuth EKU…Oh Mercy…What to do?
If you’ve spent any time recently monitoring the cryptography and/or Public Key Infrastructure (PKI) spaces…beyond that ever-present “Post Quantum” thing, you may have read that starting in May of 20...
Published Dec 04, 2025
Version 1.0Kevin_Stewart
Employee
Joined March 16, 2006
TimRiker
Cirrocumulus
Feb 11, 2026From what I can see, LTM, and device trust replication appears unaffected. Is this true? I did not see any replication errors for those.
I'm not sure what GTM is doing differently to trigger this, but if LTM still works without a client EKU, I'd suggest GTM should do whatever LTM does.
The other alternative is to have a separate root trust for client certificates and stop re-using the httpd management and REST server certificate in a client context.
In any case, I would hope for an automated way to update all certificates every 30 days before 2029.