URL Header changes to Node name.

Here is the iRule giving you the ability to replace informations coming from your webservers with the original fqdn requested.

when HTTP_REQUEST {
    set Origin "[HTTP::host][HTTP::uri]"
}

when HTTP_RESPONSE {
    if { [HTTP::is_redirect] } {
        HTTP::header remove Location
        HTTP::header insert Location "http://$Origin"
    }
}