the problem is that above.net did not tell ORBS anything, they just
blocked the scans on the 10.1.1.* addresses, ORBS discovered it when they
next attempted to scan it, ORBS then assumed that the entire 10.*.*.*
space was blocked, even though they have specific hosts in that space that
are markes as "known safe"
David Lang
On Tue, 18 Jan 2000, Stephen Satchell wrote:
> A light comes glimmering through. If your supposition is correct, then
> above.net and ORBS aren't communicating very well. Given your assumption
> that above.net does not want to see 10.1.1.* scanned by ORBS, we would hope
> that above.net would have TOLD ORBS "hey, leave 10.1.1.* alone! But the
> rest of the address space is fair play."
>
> After all, the static space is set by the request of the address owners, if
> I'm reading all the info correctly.
>
> So did above.net say 10.1.1.*, or 10.*.*.*? If the latter, than above.net
> is shooting itself in the foot.
>
> (Nothing personal, I'm just the curious type.)
>
> Satch
>
>
> At 07:33 PM 1/18/00 , David Lang wrote:
> >the issue with abovenet is not what you are thinking
> >
> >If I am understanding it correctly here is the issue (random IP addresses
> >used for demonstration)
> >
> >above.net has 10.x.x.x addresses assigned for them and their customers.
> >
> >above.net has their own servers running in the 10.1.1.x subnet
> >
> >above.net blocks scanning of 10.1.1.x but NOT the rest of the 10.x.x.x net
> >
> >VA linux gets the 10.200.100.x subnet from above.net for their
> >servers. (which are configured properly)
> >
> >VA linux discovers that they are unable to send mail becouse ORBS flags
> >the ENTIRE 10.x.x.x range owned by above.net, even though most of it is
> >not blocked, and does not contain any open relays.
>
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