Re: DNS Amplification Attacks

[Joseph S D Yao <jsdy () center osis gov>]

On Thu, Mar 23, 2006 at 09:35:34AM +0000, Michael.Dillon () btradianz com wrote:
> > > DNS looking glasses, in much the same way that we use web-form based
> > > BGP or traceroute looking glasses today.
> >
> > Open resolvers are far better then looking glasses to assess the state
> > of DNS, and we are campaigning against them.  You can't have it both
> > ways. 8-(
>
> What is the definition of "DNS Looking Glass"?
> If it is a PERL CGI script then I would agree with you.
> If it is a DNS proxy that applies rate limiting
> and damping then I disagree with you. 

I believe he's talking about things like the Looking Glass Web sites.
The one I wrote was a simple hardened shell script that called local
resources to do its thing.


-- 
Joe Yao
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