On Wed, Nov 26, 2003 at 07:33:10PM +0200, Meelis Roos wrote: >> 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
Indeed. That certainly explains FreeBSD 5.1's default behaviour. David -- David Dawes developer/release engineer The XFree86 Project www.XFree86.org/~dawes _______________________________________________ Devel mailing list [EMAIL PROTECTED] http://XFree86.Org/mailman/listinfo/devel
