Lorenzo Colitti <[email protected]> wrote: david> Is there any data that shows ICMP (and its insecurity) being used david> for off-path attacks like this today? Networks (as they do today) may david> just filter out ICMP they don't support from the edge. > Regardless of whether this is happening today, it seems unwise to > propose something with an obvious security hole like this. The risk is > that we do a bunch of work and then security review tells us "?REDO > FROM START". We have secdir secretary Tero on the list now... Even if offpath attacks are challenging, given typical coffee shop wifi, on-path attacks are trivial. The ICMP is a hint. That's also good for many reasons involving rate limiting and idempotency. (Sorry I missed the WG session. IASA2 was more important) -- Michael Richardson <[email protected]>, Sandelman Software Works -= IPv6 IoT consulting =-
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