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Re: thousands of NTLM requests per day




Greetings, Andrew Schulman!

> I got a call from our domain admins, asking me if I knew why my Windows 7
> host would be sending many thousands of NTLMv1 authentication requests per
> day. I don't know, and we're still trying to find out which application is
> doing that, but here's what I wonder:

> Could Cygwin be responsible for the authentication requests? I wonder about
> this because Cygwin now queries Windows for user and group information that
> used to be kept statically in /etc/passwd and /etc/group.

Do you use cygserver ? If not, try to set it up, it should help with domain
information caching. If the problem you observe is caused by Cygwin activity,
you should see a decrease in such requests.

> I don't know much about this. Sorry if it's an obtuse question. Any general
> information would be appreciated.


-- 
With best regards,
Andrey Repin
Tuesday, February 28, 2017 19:28:37

Sorry for my terrible english...


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