At 05:06 PM 9/30/04 -0400, Tyler Durden wrote:

I post this not as a refernce per se, but to ask the question:

Exactly Why Does the Government Not Want to Reveal Their ID Rules?

For instance, is it indeed possible that revealing this rule would pose an additional security risk? If such a rule exists (and it does) then hijackers obviously already know about it.

Not only that, but as Bruce S pointed out, they can reverse-engineer the rules by sending probes.