Title:
Use of DNS communication for filtering a domain name
Document Type and Number:
Japanese Patent JP6006788
Kind Code:
B2
Abstract:
Using DNS communications to filter domain names is disclosed. A domain name is extracted from a received DNS request. The received DNS request is blocked in response to determining based on a policy that access to the domain name of the DNS request is not permitted. In some cases, such a DNS request is responded to with a spoofed DNS response.
Inventors:
Sie Hougarn
Application Number:
JP2014512892A
Publication Date:
October 12, 2016
Filing Date:
May 17, 2012
Export Citation:
Assignee:
PALO ALTO NETWORKS INCORPORATED
International Classes:
H04L12/66; H04L45/741
Domestic Patent References:
| JP2009271842A | ||||
| JP2008538883A | ||||
| JP2001203762A | ||||
| JP2007226608A |
Foreign References:
| US20070204040 | ||||
| US20110010426 | ||||
| WO2011017427A1 | ||||
| US20080209057 |
Attorney, Agent or Firm:
Meisei International Patent Office
Yoshinobu Inoue
Yoshinobu Inoue
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