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

Forum Discussion

Scouse_142981's avatar
Scouse_142981
Icon for Nimbostratus rankNimbostratus
Nov 07, 2017

Advise and help is needed, Irule & ifile

Hi Everyone,   I am quite new to iRules and iFiles, so i am looking for some help and guidance here.   Basically there is a requirement from the Application team whereby they are asking my hel...
application delivery
irules
LTM
Jinshu's avatar
Jinshu
Icon for Cirrus rankCirrus
Nov 08, 2017

Hello,

Please follow below steps.

Import the iFile navigating to System ›› File Management : iFile List ›› import. Add the imported ifile to LTM Local Traffic ›› iRules : iFile List >> create. Attach below irule (Make sure you have renamed the ifile name accordingly.

when HTTP_REQUEST { 
    if { ([string tolower [HTTP::host]] equals "abc.com") and (![string tolower [HTTP::uri]] equals "w2whome") } {
    HTTP::respond 200 content [ifile get maintenance.html] "Content-Type" "text/html"
    }
}

Please test it and let me know.

-Jinshu