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

Forum Discussion

jerm1020_254086's avatar
jerm1020_254086
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Jul 20, 2016

cookie encyption passphrase

I realize this is a pretty basic question so don't skewer me. I want to enable cookie encryption which seems like a very painless process, but I'm just curious as to what the cookie encryption passph...
Anthony_Pineda's avatar
Anthony_Pineda
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Jul 20, 2016

Hi jerm1020. I'm not a crypto expert but let me take a stab at this. The passphrase may be used by the F5 AES process to do a mathematical computation like XOR to come up with the encrypted value for your cookie. You don't give this out to user because it is used by F5 appliance. There is no other configuration on other devices as far as I'm concerned.