> With the new IPv6 code, clients connect to IPv4 addresses using AF_INET6 > with the compatibility address '::ffff:a.b.c.d' where a.b.c.d is the IPv4 > address. > > I noticed this while trying to figure out why connections from a > FreeBSD 5.1 system to another system (via IPv4 addresses) weren't > working. It turns out that FreeBSD 5.1 defaults to not allowing > this method of connecting to IPv4 hosts. If I change the default > with 'sysctl net.inet6.ip6.v6only=0' it then works.
This seems very related: ftp://ftp.itojun.org/pub/paper/draft-itojun-v6ops-v4mapped-harmful-02.txt -- Meelis Roos ([EMAIL PROTECTED]) _______________________________________________ Devel mailing list [EMAIL PROTECTED] http://XFree86.Org/mailman/listinfo/devel
