Tony,
TF> You make it sound as if checking the consistency of forward and reverse
TF> DNS is something new or mysterious.
1. "Consistency" is not the same as "authorization".
2. I was attempting to highlight an issue about the trust assumptions
that people might make but shouldn't.
3. If there are standards for asserting and validating these
relationships, please point us to them.
4. Being able to use well-established and valid techniques as the basis
for a standard is always a good thing, indeed.
d/
--
Dave Crocker <mailto:dcrocker(_at_)brandenburg(_dot_)com>
Brandenburg InternetWorking <http://www.brandenburg.com>
Sunnyvale, CA USA <tel:+1.408.246.8253>, <fax:+1.866.358.5301>