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Forum Discussion

gpoverland's avatar
gpoverland
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Feb 03, 2016

F5 iRule Example integrating HMAC

I currently utilize a static key value to create a custom encrypted cookie to validate user session authenticity via cookie values. I would like to move over to using an HMAC solution, but having iss...
iRules
LTM
security
gpoverland's avatar
gpoverland
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Feb 10, 2016

Kai,

 

I ran into an issue when I rolled your code into action. Apparently, as I validate the proceeding connections, the $hmac_output variable loses its value, and the connection terminates. Any ideas? I plan to reject any session that hmac_output does not match hmac_input, but was waiting to get the rest of the iRULE working now.