Forum Discussion

eLeCtRoN's avatar
eLeCtRoN
Icon for Cirrus rankCirrus
Aug 22, 2018

iRule HOST Header replace with dynamic content

Hello,   I have just a short question, is it possible and how to change the HOST Header. For example I come from admin.test1.mycompany.com and I would like to change it to admin.test2.mycompany.co...
application delivery
devops
iRules
LTM
Lee_Sutcliffe's avatar
Lee_Sutcliffe
Icon for Nacreous rankNacreous
Aug 22, 2018

This is an amended version, if there is only a first name (second field is "test1") then is will only add the first name. If not, it will add the first two fields to the new host header.

when HTTP_REQUEST {
    set field1 [getfield [HTTP::host] “.” 1] 
    set field2 [getfield [HTTP::host] “.” 2] 

    if {$field2 eq "test1"} {  
        HTTP::header replace "Host" ${hostField}.test2.mycompany.com 
    } else {
        HTTP::header replace "Host" ${field1}.${field2}.test2.mycompany.com
    } 
}