For more information regarding the security incident at F5, the actions we are taking to address it, and our ongoing efforts to protect our customers, click here.

Forum Discussion

F5-Oetti's avatar
F5-Oetti
Icon for Nimbostratus rankNimbostratus
Jan 26, 2018

Question about persistance by checking and if not there inserting HTTP Header Field

Hello,   I have ask a question to the experienced experts:   I wanted to setup persistance for a service depending on then HTTP Header Field True-Client-IP. So I want to check if the filed is e...
application delivery
iRules
LTM
Ilian_Ivanov's avatar
Ilian_Ivanov
Icon for Nimbostratus rankNimbostratus
Jan 26, 2018

Hello,

You can try with that one:

when HTTP_REQUEST {
    set clientip ""
    if { [HTTP::header exists True-Client-IP] } {
        set clientip [HTTP::header True-Client-IP]
    }
    else { 
        HTTP::header insert True-Client-IP [IP::client_addr]
        set clientip [HTTP::header True-Client-IP]
    }
    persist uie $clientip
}

Regards