Thanks for responding Mark — no, I haven't found a solution, just the reason why I can't install mod_throttle. Having confirmed that running httpd -l gave me no indication that module mod_so exists on my
dedicated server, I was asking if I need to email dedicated@ in order to get Apache server re-built to include it? You haven't mentioned whether this module is installed as standard practice so if it requires a comment from Shane then yes, please ask him ...