On Mon, 8 Sep 2008, Teran McKinney wrote: > It states that Unbound even randomly alternates between resolving over > IPv4 and IPv6 when possible for more security. While this behavior is > very impressive and helps increase security, I think that an option to > prefer IPv4 or IPv6 would be nice to have. Opportunistic encryption > through IPSEC is easier to do on IPv6 Why is OE easier on IPv6? Because there is less chance of a NAT? Paul