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Forum Discussion

Michael_Sloan's avatar
Michael_Sloan
Icon for Nimbostratus rankNimbostratus
Jun 11, 2019

HTTP::header TCL errors

We have multiple HA pairs of F5 VMs in production running BigIP 12.1.3 and we have some quirky issues with iRules most commonly when using HTTP::header and I'd like some help if anyone has insight on...
application delivery
BIG-IP
iRules
Andrew-F5's avatar
Andrew-F5
Icon for Employee rankEmployee
Jun 12, 2019

Do you have more than one iRule or Local Traffic Policy including the ones noted added to your virtual server? I'm wondering if other iRules may have already manipulated the traffic in a way that might cause this behavior.

 

As one example if a redirect occurs for a request in a previous rule/policy then the header remove command is triggered it could cause an error like what you experienced.