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Network Security Nessus-Users
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Re: Scanning Win2k with Nessus

Subject: Re: Scanning Win2k with Nessus
Date: Wed, 17 Jan 2007 07:56:28 -0700
Please see my answers below.  Thank you.
  _____  

From: George A. Theall [mailto:theall@tenablesecurity.com]
To: nessus@list.nessus.org
Sent: Tue, 16 Jan 2007 17:38:58 -0700
Subject: Re: Scanning Win2k with Nessus

On Tue, Jan 16, 2007 at 03:53:23PM -0700, Beau Nuanes wrote:
  
  > 1)  Installed NessusClient and Nessus on a Fedora Core 6 machine.
  
  Which versions specifically?I am running 3.0.4 for Nessusd and 1.0.2 for 
NessusClient

  
   > 2)  Disabled "Safe Checks" and "Optimize the test" in NessusClient.
  
  Disabling safe checks might lead to crashes -- I'd leave it on unless 
  you're operating in a lab or until you become more familiar with Nessus.At 
this point I am running in a test environment.  When I move to production, and 
after I have become more familiar with Nessus, I will definitely heed your 
advice and enable safe checks.

  
  Are you enabling plugin dependencies when you run the scan?Yes, dependencies 
at runtime are enabled.  Silent dependencies are not.

  
   > 4)  Created a Nessus user on the win2k machines and gave him/her
   > administrative privledges (I'll change this by editing the winreg key
   > once I have this working)
  
  Read Tenable's white paper on configuring Nessus for checks with 
  credentials:
  
     http://www.nessus.org/documentation/nessus_credential_checks.pdf
  
  and pay particular attention to the section on configuring a local 
  account and inheriting guest privileges.This setting is not available on my 
targets, win2k machines.  The user I created is in the Administrators group 
though, which I thought would be sufficient.  Is there an equivalent Security 
option to the one referred to in nessus_credential_checks.pdf for win2k?

  
  > My problem is that it appears that I am not attempting to authenticate 
  > at all.  The Event viewer on the Win2k machines do not even show an 
  > attempted login.  The "Local Checks Failed" plugin is active but does
  > not give me anything in the report.
  
  Since you mention "Local Checks Failed" plugin, I assume you have a 
  registered or direct plugin feed, right?Yes, a registered feed.

  
  What lines associated with that plugin (hostlevel_check_failed.nasl) do 
  you see in nessusd.messages? What port range are you using for your scans?The 
only lines that I see in nessusd.messages associated with that plugin are:

Loading hostlevel_check_failed.nasl

Should I see more information in nessusd.messages?  The port range that I am 
scanning is the default range.  I have not edited nessus-services at all so 
it's the default range "out of the box".

  
  
  George
  -- 
  theall@tenablesecurity.com
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