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Forum Discussion

networkdawg_303's avatar
networkdawg_303
Icon for Nimbostratus rankNimbostratus
Dec 14, 2016

iRules - Remove WWW AND replace "Host"

Hello,   I am sorry if this is very easy to do, but I am really new to F5 and iRules.   We have an iRule in place which replaces the domain part of a URL. This rule is below.   The situation...
application delivery
BIG-IP
iRules
Vijay_E's avatar
Vijay_E
Icon for Cirrus rankCirrus
Dec 14, 2016

You need this logic inserted into your existing iRule:

if { [HTTP::host] starts_with "www." } {
HTTP::host [getfield [HTTP::host] "www." 2]
}

or you can try this if the above doesn't give the right result:

if { [HTTP::host] starts_with "www." } {
HTTP::host [string range [HTTP::host] 4 end]
}