Richard,
you don't have to mount the PayflowPro package although it does offer
a few admin pages to monitor the communication with
VeriSign. Unfortunately you do need to know the names of the pages as
there is no index page for either user pages (e.g. payflowpro/www) or
admin pages (e.g. payflowpro/www/admin). Do take a look in the admin
directory to find out which admin pages are available.
/Bart