[atlas] All-Probe Traceroute + detect RFC1918 addresses

Philip Homburg <philip.homburg at ripe.net> writes:
> On 2021/09/15 21:59 , Bjørn Mork wrote:
>> I believe it's better to ignore the formalities here and forward those
>> packets.  It's certainly harmless.  At least as harmless as forwarding
>> any other ICMP error messages.
>
> In my opinion this is the wrong approach. If there is a good reason to
> violate the standard, then the thing to do is to bring up in the IETF.

You are of course correct.  Let's hope someone else cares enough to do
that :-)

An additional argument for allowing the ICMP errors, and only those, is
that you can't send back any dest unreachable with "Beyond scope of
source address".


Bjørn