>> A: a server creates two sockets, one binds to IPv4 address, and the >> other binds to IPv6;
> This cannot work with bindv6only=0, and is the real problem we need to
> solve.
Yes, it can. You just need to bind the sockets in the right order (v4
before v6).
Marco, I am unable to find any rationale for this change. I stand by my
opinion, which is that the change
* is incompatible with other Linux systems;
* contradicts RFC 3493 Section 3.7;
* breaks a bunch of software, notably all Java software.
I therefore strongly urge you to revert it.
I would be grateful to hear any rationale in favour of the new default.
Juliusz
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