Load/Performance testing a site with Kerberos authentication

Which performance testing tool supports web pages with Kerberos authentication? Tools which just 开发者_StackOverflowfallback to NTLM is not enough.

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I have done some research and the list of available tools are:

• Visual Studio 2010 Load testing tools (part of the Ultimate package)
• Proxy Sniffer
• WebLOAD
• Forecast

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I do these tests with Silk Performer, which is a commercial product from Borland that manages hundreds of parallel test users connecting via Kerberos.

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Jmeter support KERBEROS very well.

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WebLOAD from http://www.radview.com/ support Kerberos authentication