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Re: Security problem?
- To: misc_(_at_)_openbsd_(_dot_)_org
- Subject: Re: Security problem?
- From: Darik Horn <darik_(_at_)_gulf_(_dot_)_waterways_(_dot_)_geeky_(_dot_)_net>
- Date: Thu, 5 Oct 2000 12:05:49 -0400 (EDT)
In my area, the @Home guys internally use addresses in the 10.x.x.x range.
For example, if I traceroute on the @Home network between Brantford and
Waterloo in Ontario then all of the hops have addresses in 10.x.x.x except
the target. I would not ban traffic coming from those addresses because
some of it will be legitimate.
1 10.18.0.1 1.848 ms 1.808 ms 9.682 ms
2 10.0.184.25 3.181 ms 5.611 ms 3.161 ms
3 10.0.184.130 3.785 ms 3.369 ms 9.434 ms
4 10.0.184.14 6.759 ms 4.723 ms 4.631 ms
5 184.108.40.206 6.702 ms 6.67 ms 6.426 ms
On Thu, 5 Oct 2000, Chris L. Mason wrote:
> On Thu, Oct 05, 2000 at 08:23:07AM -0700, Luke Bakken wrote:
> > Try 'arping' in the ports collection on the offending MAC address and see
> > what shows up.
> Yup, that's it. There's someone on the local @home network using 10.1.1.2
> as their public address. Even worse is the fact that not only do I get a
> response from their MAC, but the @home gateway router on .1 also responds!
> Does this mean the @home router is misconfigured? If so I will send them a
> message and ask them to stop routing private addresses!
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