Hey, SiteFinder is back, again...
Steven M. Bellovin
smb at cs.columbia.edu
Mon Nov 5 19:54:47 UTC 2007
On Mon, 5 Nov 2007 11:17:29 -0800
David Conrad <drc at virtualized.org> wrote:
> On Nov 5, 2007, at 8:23 AM, David Lesher wrote:
> > What affect will Allegedly Secure DNS have on such provider
> > hijackings, both of DNS and crammed-in content?
> If what Verizon is doing is rewriting NXDOMAIN at their caching
> servers, DNSSEC will _not_ help. Caching servers do the validation
> and the insertion of the search engine IP addresses in the response
> would occur after the validation.
Depends on whether or not the endpoints delegate DNSSEC validation to
Verizon. They don't have to.
--Steve Bellovin, http://www.cs.columbia.edu/~smb
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