Known Issues with OTG 2 for Mac
The following are known issues with WebTitan OTG 2 for Mac.
| Issue | Firefox returns a certificate warning instead of a WebTitan block page. | 
| Cause | Firefox uses an internal certificate store and by default, it ignores certificates stored in OS. | 
| Workaround (A) | Import a trusted certificate into Firefox manually. See Importing SSL Certificate in Mozilla Firefox. | 
| Workaround (B) | If a trusted certificate has already been imported into keychain, follow the steps below to tell Firefox to trust this certificate: 
 See https://support.mozilla.org/en-US/kb/setting-certificate-authorities-firefox  | 
| Issue | Usernames containing special characters are not supported. | 
