Mar 27, 2026 - For details about updated CVE-2025-53521 (BIG-IP APM vulnerability), refer to K000156741.

Forum Discussion

Mathew_58739's avatar
Mathew_58739
Icon for Nimbostratus rankNimbostratus
Oct 30, 2008

iRule to extract and compare EKU field in SSL cert

I have an application need to extract the OID value out of the EKU in clear text. Is there a TCL value for the X509 EKU parameter in an SSL certificate? Similar to the X509::subject value extraction...
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Colin_Walker_12's avatar
Colin_Walker_12
Historic F5 Account
Nov 05, 2008
There isn't a specific command for this yet, that I'm aware of. This is something we can certainly look into, but unfortunately I'm not sure there's a way to get at the info you're looking for via iRules.

 

 

Colin