Forum Discussion
Ghislain_Pellet
Nimbostratus
Jan 11, 2017Blocking Response Page seems to be blocked
We've set up a custom blocking response page on our site but it seems to be blocked when an illegal request is detected. The custom page is a contact form that, when filled by the client, enables us ...
crodriguez
Jan 12, 2017Ret. Employee
When a request is blocked by ASM, that happens before the connection is ever proxied to the back end server. You can configure a custom blocking response in ASM so that, when ASM does block a request, the client is redirected to a different location, such as your custom PHP form. See this article here: https://support.f5.com/kb/en-us/products/big-ip_asm/manuals/product/asm-implementations-11-5-0/25.html
Although it's for 11.5, you can check the equivalent on later releases.
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