Abridgement - Intellectual Property Office of New Zealand

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26 Οκτ 2013 (πριν από 3 χρόνια και 7 μήνες)

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INTELLECTUAL PROPERTY OFFICE OF NEW ZEALAND | Patent 583300


Patent 583300


Disclosed is a method of detecting domain name server (DNS) errors and hacking attempts.
The method includes the steps of receiving

(1306)
, by a client computer,
a digital certificate

from a server, wherein the digital certificate comprises a fully qualified domain name of the
server and an associated first TCP/IP address of the server. The method further includes
receiving by the client computer a second TCP/IP a
ddress of the fully qualified domain name
of the server from a DNS and comparing by the client computer the first TCP/IP address
from the digital certificate with the second TCP/IP address received from the DNS. A
problem in the DNS is detected
(1312)
by
the client computer when a difference between the
first TCP/IP address and the second TCP/IP address is detected. A correct connection to
the server is identified
(1310)
by the client when no difference between the first TCP/IP
address and the second TCP/
IP address is detected.