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Network Security Snort-Signatures
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Re: [Snort-sigs] False positive: MISC MS Terminal Server no encryption s

Subject: Re: [Snort-sigs] False positive: MISC MS Terminal Server no encryption session initiation attempt (SID 2418)
Date: Fri, 09 Feb 2007 11:49:31 -0500
Got pcap?

If so send it in to vrt < AT > sourcefire.com

and we'll give it a look.

The pcap may explain this, but is the session for RDP actually encrypted
and that is why it's a false positive?

Cheers,
-matt

Russell Fulton wrote:
On 8/02/2007, at 3:39 AM, Stephan Scholz wrote:

I'd like to report a false positive concerning Windows Remote Desktop.



Rule:  MISC MS Terminal Server no encryption session initiation  
attempt


--
False Positives:
Update Windows XP SP2 client with optional update: "Remote Desktop  
Connection (Terminal Services Client 6.0) for Windows XP (KB925876)"
Connect to an RDP server. This will lead to a false positive.

Ah, so that's it!  I've been seeing these for some time and no one  
could explain them.

Can this rule be tightened or should it be dropped?

Russell



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-------------------------------------------------------------------------
Using Tomcat but need to do more? Need to support web services, security?
Get stuff done quickly with pre-integrated technology to make your job easier.
Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
_______________________________________________
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