Mozilla Firefox

1.	Open Firefox, and browse to about:config.

2.	Click through the warning message, if displayed, to access the Advanced Settings page.

Warning  Take care when making changes to this page. Any changes you make are at your own risk.

3.	Double-click the following options, and add your Authentication Service domain URL to each:

network.negotiate-auth.trusted-uris

network.negotiate-auth.delegation-uris

Note that you should include the port as part of the URL, for example
https://authserv.mycompany.com:8080.

4.	Log on to Kerberos by going to the following URL:

https://<full Authentication Service DNS name>/ec/UI/Login

You should see a user profile page: