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greyface-today at 11:45 AM6 repliesview on HN

How feasible would it be for the host under measurement to introduce additional artificial latency to ping responses, varying based on source IP, in order to spoof its measured location?


Replies

walletdrainertoday at 12:32 PM

Totally feasible.

You could do even cooler tricks, like https://github.com/blechschmidt/fakeroute

Pointless? Almost certainly.

Retr0idtoday at 12:32 PM

Not-impossible, but it would be a whole lot simpler to just not respond to pings in the first place.

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altairprimetoday at 12:38 PM

Courtesy of Xfinity and Charter overprovisioning most neighborhood’s circuits, we already have that today for a significant subset of U.S. Internet users due to the resulting Bufferbloat (up to 2500ms on a 1000/30 connection!)

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maccardtoday at 12:21 PM

Totally feasible but a bit like all these situations - it’s not happening in practice.

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TZubiritoday at 3:21 PM

>varying based on source IP,

Aha, that's what you would think, but what if I fake the source of the IP used to do the geolocation ping instead!