FTP irule to resolve hostname

Try adding the "node"command to send traffic to the node in the $address variable.

when HTTP_REQUEST {
     set host_used [HTTP::host]
     set uri_used [HTTP::uri]
     set node_used [lindex $address 0]
     HTTP::header replace Host "example.company.com"
     node ${node_used} 21
     log local0. "[IP::client_addr] sent request $host_used $uri_used to $node_used $uri_used"
}