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

Forum Discussion

Krishnamurali_2's avatar
Krishnamurali_2
Icon for Nimbostratus rankNimbostratus
Aug 16, 2017

Host header match - Http host

I am looking for the Irule for the improper input handing (Host header) Basically application uses the input coming from the Host or X-Forwarded-Host request headers as part of the response without ...
application delivery
irules
stan_piron's avatar
stan_piron
Icon for Cumulonimbus rankCumulonimbus
Aug 21, 2017

Try this

when HTTP_REQUEST {
    If { !([HTTP::host] equals "abc.com") } {                                                              
        HTTP::respond 404 content "page not found"            
    }
}