[nsp-sec] 700K Open Resolver List

[Mike Lewinski]

ACK 13345

We first issued an advisory about this in early 2006 and I'm going to 
bump (it in addition to contacting each reported customer directly).


Stephen Gill wrote:
> ----------- nsp-security Confidential --------
> 
> Hi Team,
> 
> I took a somewhat restrictive view of the pcaps we have and parsed out about
> 700K open resolvers used in the latest DNS amplifier attack across ~10K
> ASNs.  I believe there were closer to 1 Million total.
> 
> You can find the data split up by ASN here:
> 
> https://www.cymru.com/nsp-sec/Owned/recursive3/
> 
> ASNs affected:
> 
> https://www.cymru.com/nsp-sec/Owned/recursive3/asns.txt
> 
> Please do not download the entire list and only fetch the ones you have
> control or influence over.
> 
> Comments/questions welcome & have a great weekend!
> 
> Cheers,
> -- steve
>