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

Forum Discussion

JG_249184's avatar
JG_249184
Icon for Altocumulus rankAltocumulus
May 21, 2017

Ignore case sensitive in the HTTP host header request

Hello -   I am trying to replace the 3 bottom if statements with 1 line that ignores case sensitive characters in the HTTP host header request. The application guys have different configuration fi...
application delivery
irules
LTM
stan_piron's avatar
stan_piron
Icon for Cumulonimbus rankCumulonimbus
May 21, 2017

Hi,

you can use this irule:

when HTTP_REQUEST { 
    if { !([string tolower [HTTP::host]] equals "myapplication.mydomain.com") } {
        reject
    }
}