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

X509 Subject Formatting

Problem this snippet solves: TMOS v12.1.4.1 and v13 have a change where the output of X509::subject is formatted to match OpenSSL output. See https://cdn.f5.com/product/bugtracker/ID607410.html ...
Published Oct 18, 2019
Version 1.0
application delivery
irules
TMOS
X509 SSL
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I work in the EMEA F5 Professional Services team. I generally deal Service Provider stuff because i come from that background ( 12 years working for Nokia Networks prior to joining F5 in 2013 )
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PeteWhite
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Nov 19, 2019

Hi uniqng, I have changed it so that it handles commas within quotes. Tried it with your example and it seems to work so maybe you can try it out yourself.