This might be a dumb question but what exactly is the filter rule format to globally allow sites? Do I need multiple entries to handle folder structure of the sites and entries to handle subdomains? Is an asterisk used for a wildcard, do I even need to use a wildcard?
To globally allow a site, just add their base url:
If you just want a subdomain of a site, say their webmail client for exmaple:
You cannot specifiy a certain directory or page to allow, pop-up rules are all based on the site.
This Mozilla Support page for Pop-up Blocker should be useful.
Rules are simple -- like