Problem with client ip address changing

Paul Hethmon paul.hethmon at clareitysecurity.com
Wed Nov 14 11:13:45 EST 2012


On 11/14/12 11:04 AM, "Kevin P. Foote" <kpfoote at iup.edu> wrote:

>
>On Wed, 14 Nov 2012, Timo Tunturi wrote:
>
>-> Not a single case has been brought to my attention, which doesn't mean
>-> isolated incidents don't happen. We do get those errors where the
>client 
>-> IP address has changed, but just eyeing the logs it appears that it's
>-> just that it's a laptop or something similar taken home from the
>office 
>-> and the IP address has indeed changed.
>
>This reflects what I see as well.. with mobile devices (probably) and
>carrier
>networks being the bulk of the IPs that I've looked at.
>
>IE: mobile device has carrier IP and then flips to our wireless or
>vis-vis..

The other two networks I've seen with this are the AOL dial-up elephant.
You'll always see those addresses change on every request and every image
and js file.

The other one we've had issues with in the US is the US Cellular network.
They flip addresses on almost every request as well. This is while staying
on their network, not flipping to wifi.

Paul



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