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[atlas] All-Probe Traceroute + detect RFC1918 addresses
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Philip Homburg
philip.homburg at ripe.net
Wed Sep 15 19:31:48 CEST 2021
On 2021/09/15 19:06 , Gert Doering wrote: > On Wed, Sep 15, 2021 at 06:58:50PM +0200, Philip Homburg wrote: >> My router at home gets a lot of error icmps with link local source, from >> quite a few hops away... > > *wake up* IPv4 "link local" (169.254.*) or IPv6 LLA (fe80::)? IPv6 link local > The latter would make me very curious what sort of intermediate devices > are forwarding these (which is strictly forbidden). As far as I know, this a well known Juniper bug where their routers forward errors ICMPs without checking whether the source address is link local. I don't know what happens to other packets with link local source. Philip
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