On Mon, 25 Jun 2001, JINMEI Tatuya / [ISO-2022-JP] 神明達哉 wrote:
> >>>>> On Fri, 22 Jun 2001 16:51:25 -0300,
> >>>>> [EMAIL PROTECTED] said:
>
> >> >> for example: on linux system, if you would like to turn IPV6_V6ONLY
> >> >> option on, you can only accept IPv6 traffic with getaddrinfo(3) loop.
> >> >If that changes were done, turning IPV6_V6ONLY on would not be frequently d=
> >> >one.
>
> >> if you want to see IPv4 traffic on AF_INET socket (so that we don't
> >> get confused by bogus source address, and generating bogus traffic
> >> when responding) you will want to do IPV6_V6ONLY.
>
> > Yes, maybe a flag telling that the old behaviour should be used would be need
> > to be added too.
>
> Then we'll see unreadable conditionals or ifdef tricks. I'd rather
> prefer just skipping possible errors against multiple calls of bind(2)
> for each addrinfo element returned by getaddrinfo(3), as itojun
> suggested. If we take this approach, though, then we'll need one
> constraint of getaddrinfo(3); it should return the AF_INET6 wildcard
> address before the AF_INET one on those stacks that do not allow
> conflict of an AF_INET6 wildcard socket and an AF_INET one.
> (Otherwise, the already bound AF_INET socket would reject binding the
> AF_INET6 one, and we would not receive IPv6 packets.)
good idea. at least this behaviour for getaddrinfo (returning first :: and
then 0.0.0.0) could be specified. jim, what do you think?
--
Aequam memento rebus in arduis servare mentem...
Mauro Tortonesi [EMAIL PROTECTED]
Ferrara Linux User Group http://www.ferrara.linux.it
Project6 - IPv6 for Linux http://project6.ferrara.linux.it
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