If that's your goal, you could simply block access to your service from hosts other than Tor Exit Nodes. You could do this by combining: https://www.torproject

If that's your goal, you could simply block access to your service from hosts other than Tor Exit Nodes. You could do this by combining: https://www.torproject.org/projects/tordnsel.html https://www.torproject.org/projects/tordnsel.html With the mod_access_dnsbl module for Apache.