North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: Large number of DNS probes in last 24 hours
Jim Wise wrote: > On Fri, 30 May 2008, Michael Still wrote: >> I have seen PlanetLab experiments doing this. What are the originating >> IP addresses? > > Three observed source addresses > > 208.78.169.237 > 204.11.51.62 > 194.199.24.101 > > Source ports are high and non-repeating. Other than the domain root, > A-record queries for "google.com" and for hostnames which appear to be > on the same subnet as the querying host. Hmmm. All the PlanetLab nodes should have valid reverse DNS, which isn't the case here, so I guess it is something more malicious. Mikal
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