Summary
                       	                                How to enable Kerberos authentication for Single-sign on website in Firefox TruClient protocol
                       	                        
                       	                Question
Kerberos authentication for single sign-on web sites does not come supported out of the box due to the default Mozilla Firefox settings.
Answer
Perform the following steps to enable it:
- 
    Open VuGen and create a new Firefox TruClient script
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    Open Firefox by clicking on 'Develop Script' button
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    In the address bar of Firefox, type about:config to display the list of current configuration options.
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    In the Filter field, type negotiate to restrict the list of options.
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    Double-click the network.negotiate-auth.trusted-uris entry to display the Enter string value dialog box.
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    Enter the name of the domain against which you want to authenticate, for example, .example.com.
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    Repeat the above procedure for the network.negotiate-auth.delegation-uris entry, using the same domain.