There are three ways to specify which OpenID hosts (i.e. websites or IP addresses) your users can login to using their CrowdID:
- No restriction — your CrowdID users can login to any OpenID host
- Blacklist — your CrowdID users can login to any OpenID host except the one(s) that you specify
- Whitelist — your CrowdID users can login to only those OpenID host(s) that you specify
In addition, you may configured an Approval Whitelist for trusted sites,