Denial of service attacks apparently from UUNET Netblocks
Karl Denninger
karl at Mcs.Net
Wed Oct 8 13:11:13 UTC 1997
On Tue, Oct 07, 1997 at 09:03:15PM -0500, Brett Frankenberger wrote:
> :: Joe Shaw writes ::
> >
> > Although this is all true, it still doesn't explain the fact that UUNet is
> > allowing broadcast packets through their network. One would think that
> > with the recent increase in broadcast DoS attacks, that UUNet would have
> > taken a much more proactive stance.
>
> 167.132.194.255 is not a broadcast address.
>
> 167.132.2.15 is a broadcast address.
>
> How would you expect UUNet to know that?
>
> - Brett (brettf at netcom.com)
On the device which forwarded the packet(s) to the device which echoes them,
it *does* know.
--
--
Karl Denninger (karl at MCS.Net)| MCSNet - Serving Chicagoland and Wisconsin
http://www.mcs.net/~karl | T1's from $600 monthly to FULL DS-3 Service
| NEW! K56Flex modem support is now available
Voice: [+1 312 803-MCS1 x219]| 56kbps DIGITAL ISDN DOV on analog lines!
Fax: [+1 312 803-4929] | 2 FULL DS-3 Internet links; 400Mbps B/W Internal
More information about the NANOG
mailing list