[RndTbl] Shaw DHCP weirdness or attack?

Sean Walberg sean at ertw.com
Wed Dec 5 13:02:08 CST 2012

On Wed, Dec 5, 2012 at 12:31 PM, Trevor Cordes <trevor at tecnopolis.ca> wrote:

> Hmm, I'm not sure I follow... been up too long!  Not sure why Shaw's
> routers would relay bc's across subnets sourced from random nitwit's
> broken client/router?  This is type "Boot Reply (2)" which should be
> coming from the DHCP server back to the client?

I'd be interested to see the packet.

At least with ARPs you see all sorts of subnet leakage. Do a "tcpdump arp"
some day and watch for stuff that doesn't belong, most of it comes from
Shaw routers.


Sean Walberg <sean at ertw.com>    http://ertw.com/
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