IPV6_RECVPKTINFO not working for IPv4-mapped addresses on Linux?
Simon Perreault
simon.perreault at viagenie.ca
Mon Jan 20 18:12:10 CET 2014
Le 2014-01-20 12:00, Gert Doering a écrit :
>> Anyway, if you really want to make your life miserable, open sockets
>> bound to the individual IP addresses found on the machine---and then
>> also listen on a routing socket so you know you have to look for new
>> addresses coming in... (Last time I checked that was pretty much the
>> only option you had with Java.)
>
> *That* is where we will *not* go. It's what bind and ntpd do, and it's
> a large can of different worms we do not like either :-)
IIRC, recent versions of Bind open a socket per address on IPv4, and on
IPv6 they open a single socket. Seems like the IPv6 extended API has
everything they need to do their thing and they no longer need to play
socket tricks.
Simon
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