Two easy ways to pick Kerberos from NTLM in an HTTP capturehttp://blogs.technet.com/tristank/archive/2006/08/02/Negotiate-This.aspxHow you pick NTLM from Kerberos when all you have is a trace. NTLM: 2 round trips to authenticate, short Negotiate blobs on requests. Kerberos: single round trip to authenticate, huge Negotiate blob on the request.en-AUCommunityServer 2.1 SP1 (Build: 61025.2)re: Two easy ways to pick Kerberos from NTLM in an HTTP capturehttp://blogs.technet.com/tristank/archive/2006/08/02/Negotiate-This.aspx#455749Wed, 13 Sep 2006 06:18:11 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:455749EricLaw [MSFT]<P>The newest beta of Fiddler has an "Auth" inspector tab which notes whether or not Kerberos or NTLM is in use.</P> <P>[TK] Fantastic!</P>