[Starlink] fiber IXPs in space

[David Lang]

On Mon, 17 Apr 2023, Rodney W. Grimes wrote:

>> On Sun, 16 Apr 2023, David Fern?ndez via Starlink wrote:
>>
>>> The idea would be that the satellite inspects IP packets and when it
>>> detects a DNS query, instead of forwarding the packet to ground
>>> station, it just answers back to the sender of the query.
>>
>> This would be a bad way to implement it. You don't want to override queries to
>> other DNS servers, but it would be very easy to create an anycast address that
>> is served by the satellites.
>
> Yes, and the later is what I proposed, the idea of intercepting
> someone ELSE'S anycast address and processing it would be
> wrong in many ways, in effect a Man In the Middle attack
> as stated else where.

I was assuming that it would be done in coordination with the existing user, not 
as a stealth optimization. I should have made that clear.

David Lang