> > => you can use it with the V6ONLY stuff.
>
> yes, but on rfc2553-compliant system you cannot have both an AF_INET
> and an AF_INET6 socket listening on the same port.
Sure you can. By using V6ONLY. Thats the point of the option. It is
just you must set it via setsocopt.
With V6ONLY you should be able to bind 0.0.0.0, 23 and bind ::,23 one
using AF_INET and the other AF_INET6.
Any IPv4 addreses entering the system will not be permitted to reach any
AF_INET6 socket.
This permits the shared port space model.
> > => this is the standard way but with the V6ONLY way you can use the
> > single socket (my favorite) or the socket per IP version (Itojun's
> > favorite). The user shall choice his own favorite or the one which
> > matches the application constraints.
>
> the user can't choose anything! if he wants to listen both ipv4 and ipv6
> traffic, he has to use an AF_INET6 socket with V6ONLY turned off.
> no other choice.
That is correct because its not the default.
/jim
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