Re: [squid-users] Performance: Negotiate or NTLM?

From: Nick Cairncross <Nick.Cairncross_at_condenast.co.uk>
Date: Wed, 30 Mar 2011 09:58:15 +0100

On 30/03/2011 00:45, "Amos Jeffries" <squid3_at_treenet.co.nz> wrote:

> On Tue, 29 Mar 2011 15:09:20 +0200, Fran Márquez wrote:
>> Hi,
>>
>> Is the Negotiate auth protocol faster than NTLM or it also increase
>> (x2 or x3) the http traffic when is used?
>>
>> Regards,
>> F.J
>
> Negotiate is a wrapper protocol, so the answer is maybe.
>
> In modern browsers it commonly wraps Kerberos auth. Which is more
> efficient on the handshakes, has stronger hash algorithms than NTLM and
> backend helpers avoid the 256 concurrency limit in winbind. So is worth
> trying to use either way.
>
> Older versions of MS software is known to wrap it around NTLM. Which
> means no gains and no real difference at all.
>
> If you try the migration and hit these old MS software problems Markus
> Moeller is currently developing a wrapper helper to handle both
> Negotiate/NTLM and negotiate/Kerberos.
>
> Amos

Earlier post by Markus regarding this - haven't had time to test this
myself but might help you to test with:

http://squid-web-proxy-cache.1019090.n4.nabble.com/NTLM-Kerberos-Authentica
tion-with-Windows-7-td3331448.html

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Received on Wed Mar 30 2011 - 08:58:22 MDT

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