On Mon, Sep 15, 2025 at 12:35:28PM +0200, Florian Obser wrote:
> There is no good reason to not use the default of using deprecated
> addresses.

Ugh...  had to check the diff thrice.

> Furthermore, it confused netinet/tcp_input.c, which followed
> an older RFC. RFC 4862 5.5.4 has:
> 
>    IP and higher layers (e.g., TCP, UDP) MUST continue to accept and
>    process datagrams destined to a deprecated address as normal since a
>    deprecated address is still a valid address for the interface.
> 
> As for the knob itself:
>    An implementation MAY prevent any new communication from using a
>    deprecated address, but system management MUST have the ability to
>    disable such a facility, and the facility MUST be disabled by
>    default.
> 
> OK?

ok jca@

-- 
jca