Thierry Moreau wrote:
>> (That is: You already trust the zones above you to maintain the
>> integrity of the zone on the *server*;
> This assumption does not stand universally. For some DNS users/usage,
> DNSSEC signature verification will be a must. The discussion implicitly
> referred to such uses.
A problem of blindly believing a zone administration is that it is
only as secure as blindly believing an ISP administration.
Attacking a router of a large ISPs is as easy/difficult as attacking
a signature generation mechanism of a large zone.
Moreover, administration of LAN of a local organization (my universty,
for example) is as secure as administration of a zone local to the organization.
You can, for example, bribe a personnel or two, against which there
is no cryptographical protection, which means PKI is weakly secure.
Masataka Ohta
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