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

Forum Discussion

lchln_304378's avatar
lchln_304378
Icon for Nimbostratus rankNimbostratus
Dec 28, 2016

Translate mod_rewrite to iRules

Hi guys, Trying to migrate mod_rewrite rules to F5 iRules and am not having much success. The current setup uses a regex to get the subdomain from a HTTP_HOST and then rewrites the URL, appending t...
application delivery
irules
LTM
security
JG's avatar
JG
Icon for Cumulonimbus rankCumulonimbus
Jan 03, 2017
when HTTP_REQUEST {
    HTTP::header replace Host "[getfield [HTTP::host] '.' 2].[getfield [HTTP::host] '.' 3]"
    HTTP::uri "/[getfield [HTTP::host] '.' 1]"
}