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#traceroute

1 post1 participant0 posts today

Did you know the command traceroute is sending "SUPERMAN" as data in the UDP packet?

The other day was learning about the difference between tracert and traceroute, and noticed that when sniffing.

Couldn't find anything online but the source code (added in comment) of where it sens SUPERMAN.

I can't reach Google, Cloudflare, Quad9, Amazon(.com), and many other large services over #IPv6 right now and think it might actually have been going on for a while, because "the Internet" has been feeling "slow" for a few days already.
IPv4 works and therefore, after the timeout, connections establish. Other sites like Microsoft, Debian, Redhat, many local (Austrian), and occasionally Amazon(.de) also work over IPv6.

I have pretty much ruled out #DNS already, and my few minutes of #traceroute tests strongly indicate #BGP routing problems. Of course.

(And I can't fix it, because it's most probably on the ISP/peering side.)