windows browsers send ntlm instead of kerberos tokens

Wyllys Ingersoll wyllys.ingersoll at sun.com
Mon Aug 29 11:31:54 EDT 2005


Jeffrey Hutzelman wrote:

>>
>> By default, Firefox will only perform GSSAPI (negotiate-auth)
>> authentication
>> when the protocol is 'https://'.
>>
>> Check the "network.negotiate-auth.delegation-uris" and
>> "network.negotiate-auth.trusted-uris" parameters (under "about:config")
>> and
>> make sure that you allow "http://" as well as "https://" if you are
>> accessing
>> non-SSL protected sites.
>>
>> network.negotiate-auth.delegation-uris = "https://,http://"
>> network.negotiate-auth.trusted-uris = "https://,http://"
>
>
> Aaaa!  No!  Don't do this unless you _absolutely_ need this ability.
>
> Running HTTP negotiate over a plaintext connection is _not secure_.  
> It provides no integrity protection and is subject to a relatively 
> easy man-in-the-middle attack.


I totally agree with Jeff, that is why SSL is the default setting for 
Firefox.  I was just pointing
out one possible reason why the test was not working for the original 
poster.

-Wyllys



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