Not uncommon, it is enabled by default in Go.

MPTCP is not a requirement for the bug, but yes, I had several, as I use it to aggregate multiple ISP connections.

https://access.redhat.com/security/vulnerabilities/RHSB-2026...

> Multipath TCP is not a required condition for this flaw.

I contemplated not even responding to you because of how unbelievably abusive and rude I have watched you be on IRC to me and many others for literally decades, and was a big reason why I quit, but I decided this issue was more important for everyone else's sake that I should still speak up.

I think it's used internally within Caddy?