Section 2 says: o The system MUST be able to run an authoritative server on one of the IPv4 loopback addresses (that is, an address in the range 127/8).Why is there a requirement for an *IPv4* loopback address? Is there any problem with running on the IPv6 loopback address?
-- David Eric Mandelberg / dseomn http://david.mandelberg.org/