On 2025-04-04, Stuart Henderson <stu.li...@spacehopper.org> wrote: > > - Java is a total pain - it relies on inet6 sockets working with v4+v6 > to be able to use dual-stack at all - otherwise you have to set a flag > when you run a program to tell the jdk whether it should be v4-only or > v6-only.
(and that is for client-side connections too, not just server-side)