I have as a client, a bank that wants to setup a pc in their lobby for
customers to be able to browse only the bank's web site. I created a
user named lobby and attempted to enter a proxy access rule to limit the
lobby user to the one url of the bank's site. None of the rules entered
allowed the user access to the selected url(all sites were blocked). I
tried port, Url and Application Proxy access Types and a selected
destination of type DNS hostname. What am I missing.

The firewall server is SBS 6.5 sp3 and BM38 sp4.