full-disclosure - Re: Should nmap cause a DoS on cisco routers?

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Message-Id: <E915F479-5555-4D9F-855E-D275E17600DE@doxpara.com>
Date: Thu, 1 Jul 2010 21:54:00 -0400
From: Dan Kaminsky <dan@...para.com>
To: "Dobbins, Roland" <rdobbins@...or.net>
Cc: "full-disclosure@...ts.grok.org.uk" <full-disclosure@...ts.grok.org.uk>
Subject: Re: Should nmap cause a DoS on cisco routers?

Agreed completely on don't panic.

On Jul 1, 2010, at 9:30 PM, "Dobbins, Roland" <rdobbins@...or.net>  
wrote:

>
> On Jul 2, 2010, at 8:13 AM, Lee wrote:
>
>> so presumably the scan came from a network that had full access to  
>> the routers.
>
> One question is whether or not the network in question *should* have  
> full access to the management plane of the routers.
>
> ;>
>
>> That's a bit harder to defend against.
>
>
> Sure, but also note that CoPP, HWRL, and the like can help,  
> depending upon the platform.
>
> Don't get me wrong; this should be investigated further, and PSIRT  
> are on it.  My point is that folks don't need to go into panic mode,  
> but should educate themselves as to how to defend their network  
> infrastructure against attack and then deploy the relevant BCPs.
>
> --- 
> --------------------------------------------------------------------
> Roland Dobbins <rdobbins@...or.net> // <http://www.arbornetworks.com>
>
>    Injustice is relatively easy to bear; what stings is justice.
>
>                        -- H.L. Mencken
>
>
>
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