RE: random dns queries with random sources

2014-02-19 Thread Beeman, Davis
ffic started ramping up wildly about a month after the ZeroAccess servers got blocked... Davis Beeman | Network Security Engineer | 360.816.3052 Integra -Original Message- From: Joe Maimon [mailto:jmai...@ttec.com] Sent: Wednesday, February 19, 2014 08:59 To: Beeman, Davis; N

RE: random dns queries with random sources

2014-02-19 Thread Beeman, Davis
I am late to this train, but it appears no one else has brought this up. It is a DNS tunneling setup, not an attack. I have been dealing with one of these lately as well. They were using some open resolvers in my network to reflect, but the "random" hostnames in the queries are tunneled traff

RE: IPv6 Ignorance

2012-09-18 Thread Beeman, Davis
Orbits may not be important to this calculation, but just doing some quick head math, I believe large skyscrapers could already have close to this concentration of addresses, if you reduce them down to flat earth surface area. The point here is that breaking out the math based on the surface ar

RE: IPv6 Ignorance

2012-09-17 Thread Beeman, Davis
On Sep 17, 2012, at 08:18 , Matthew Kaufman wrote: > On 9/17/2012 5:28 AM, John Mitchell wrote: >> I think people forget how humongous the v6 space is... >> >> Remember that the address space is 2^128 (or >> 340,282,366,920,938,463,463,374,607,431,768,211,456 addresses) to put the in >> perspe

RE: Comcast 1, Verizon 0 [was: Comcast vs. Verizon for repair methodologies]

2012-08-20 Thread Beeman, Davis
Whatever you do, no one let on that people can get issues like this fixed by posting to NANOG... this list will be flooded in a matter of hours... Davis Beeman -Original Message- From: Christoph Blecker [mailto:cblec...@gmail.com] Sent: Monday, August 20, 2012 14:27 To: Patrick W. Gil