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Network Security Pen-Test
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RE: Avoid sending current credentials automatically over the network

Subject: RE: Avoid sending current credentials automatically over the network
Date: Tue, 13 Feb 2007 18:12:42 -0600 (CST)
On Tue, 13 Feb 2007, Shenk, Jerry A wrote:
I would recommend blocking those ports (135, 137, 139 and 445) at the
edge router so that at least they aren't sent over the internet.  For
some machines, perhaps you want a host firewall to block them from
leaving the box at all.

Erm, always a sound advice on a personal/desktop/local/whatever firewall,
but how about disabling the services? (those you can)

        Gadi.


-----Original Message-----
From: listbounce@securityfocus.com [mailto:listbounce@securityfocus.com]
On Behalf Of Umil
Sent: Tuesday, February 13, 2007 10:21 AM
To: pen-test@securityfocus.com
Subject: Avoid sending current credentials automatically over the
network

Hi all


When mapping a network share without any credentials parameter or when 
clicking in a link for a internal app Windows and IE automatically send
the 
current users credentials automatically. Aparently for IE you can
configure 
to send anonymous creds (guest account) and then ask for creds.
However over the network there is no option to avoid sending current
users 
creds automatically. I tried smb signing but it didn't work.
Does anyone know a solution for it?
Thanks
Uno 


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