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

Forum Discussion

Hasif_200464's avatar
Hasif_200464
Icon for Nimbostratus rankNimbostratus
May 06, 2019

How to change http query conditionally

Hi Guys, I have scenario to redirect url where need to convert [HTTP::query] to upper case except a particular string.   For example   f5test.abc.com/redirect.asp?abcdnoconvertefgh --> f5test....
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Dario_Garrido's avatar
Dario_Garrido
Icon for Noctilucent rankNoctilucent
May 06, 2019

Hello Hasif.

Try this ->

when HTTP_REQUEST {
    log local0. "BEFORE: [HTTP::query]"
    HTTP::query [string map {"NOCONVERT" "noconvert"} [string toupper [HTTP::query]]]
    log local0. "AFTER: [HTTP::query]"
}

KR, Dario.