On Feb 18, 2010, at 12:10 AM, Masataka Ohta wrote:
For you, your ISP is, representing the Internet, responsible for the proper
delivery.
Your point?
You are aware, of course, that some ISPs are actively engaging in DNS response
modification, right?
To your surprise, reasonable security by network operators is
not so new. Highly commercial telcos have been offering it for
about 100 years.
Ignoring for a second that the Internet isn't the telephony system
(intelligence in the network is in different places), there have been MITM
attacks against the telephony system.
Cache poisoning is a problem of poor implementations to handle
additional information including glue.
No.
Cache poisoning is ALSO a result of the fact that the path between source and
destination is not protected.
Regards,
-drc
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