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- SteveMCAltostratus
I don't think "Principal Name=1" is going to get you anywhere, as it is "othername:UPN<whatever>" in the x509 extension itself.
To be honest, I have only ever done this with APM:
https://support.f5.com/csp/article/K17063
Or with an iRule event called by APM:
when ACCESS_POLICY_AGENT_EVENT { set upn [findstr [ACCESS::session data get session.ssl.cert.x509extension] "UPN" 4 > ] ... }
* Edit *
Don't forget when you're testing stuff like this out, you can always just shove the whole thing into the log to figure out exactly what strings to search for.
https://clouddocs.f5.com/api/irules/X509__extensions.html
when CLIENTSSL_CLIENTCERT { set client_cert [SSL::cert 0] log local0. "Client cert extensions - [X509::extensions $client_cert]" # Split the X509::extensions output on each newline character and log the values foreach item [split [X509::extensions [SSL::cert 0]] \n] { log local0. "$item" } }