[Samba] ntlm_auth and high load fault

Bruno Guerreiro bruno.guerreiro at ine.pt
Thu Sep 1 11:42:58 GMT 2005

I've noticed that Windows Updates, just won't do NTLM auth, so i've just
added a no_auth exception for windows update sites.
How many children are you starting. I'm serving +700 users with just one
squid with 30 ntlm_auth processes on a PII/800 MHZ/256 MB Ram with no
problems wathsoever.

Best Regards,
Bruno Guerreiro

>-----Original Message-----
>From: Vitaly Protsko [mailto:villy at sft.ru]
>Sent: quinta-feira, 1 de Setembro de 2005 12:41
>To: samba at lists.samba.org
>Subject: [Samba] ntlm_auth and high load fault
>Here is situation:
>1. We decide to switch on "Auto proxy config" in our network (you know,
>wpad.example.com, etc.)
>2. After that there are lot of robots (checking for new 
>versions, upgrading,
>esp. M$ upg) on client
>   computers start trying to fetch resources, but w/o any 
>authentication (or
>I dont understand what is going on :).
>3. Result is unxepected: alot of "requests in queue" to 
>ntlm_auth, because
>of this squid restarts every
>    2 min when in morning computers are going up. :(
>Tech info:
>samba-3.0.20, no patches
>krb5-1.3.1 (MIT)
>ntlm_auth from samba pack
>Joined to 2k3 AD.
>My ideas about why this happens are exausted (all of them are 
>ANYBODY, please, if you have similar, or heard about this 
>situation, please
>let me know.
>May be some ideas about fighting against it?
>Thnx in advance.
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