North American Network Operators Group

Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical

Re: Reasons why BIND isn't being upgraded

  • From: Joshua Goodall
  • Date: Fri Feb 02 08:43:36 2001


On Fri, 2 Feb 2001, Rich Sena wrote:

> On Feb 1, 2001 Wayne Bouchard reported:
>
> > 53, 111, and 137 are the most common scans I trap at my
> > firewall. Interesting bit with the scans to port 53 lately is that
> > they're hitting the port 2 and 3 times, not just the usual once to
> > identify and then move on.
>
> I betcha a guiness and a smile at N21 that those are Global Load Balancers
> probing for distance metrics to your DNS servers on 53 and not malicious
> scans...

I can see it now. Someone at Akamai cackling as they instruct all boxes to
nmap every NS entry in the .com zone... :)

J