Forum Discussion
J_P_Patinha-Ayd
Nimbostratus
NimbostratusCross-Origin Request Blocked
Apologises if some information is missing but my knowledge of BIG-IPs is limited at best. Basically we have users trying to access some external sites that appear to be using CORS to display vi...
Andrew-F5
Employee
EmployeeAre you using ASM on the virtual server that is servicing these requests?
What software version are you running? 14.x or greater?
If you meet the conditions above you may be hitting a known bug,
Bug ID 746394: With ASM CORS set to 'Disabled' it strips all CORS headers in response.
Best,
Andrew
J_P_Patinha-AydNimbostratus
NimbostratusIt doesn't look like we have ASM so I don't think this applies.
Thanks for the reply though.