The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 03, 2010
Filed:
May. 24, 2004
Alex M. Dubrovsky, San Mateo, CA (US);
Nikolay V. Popov, Cupertino, CA (US);
Alexander Shor, Sunnyvale, CA (US);
Roman Yanovsky, Los Altos, CA (US);
Shunhui Zhu, San Jose, CA (US);
Boris Yanovsky, Saratoga, CA (US);
Alex M. Dubrovsky, San Mateo, CA (US);
Nikolay V. Popov, Cupertino, CA (US);
Alexander Shor, Sunnyvale, CA (US);
Roman Yanovsky, Los Altos, CA (US);
Shunhui Zhu, San Jose, CA (US);
Boris Yanovsky, Saratoga, CA (US);
SonicWALL, Inc., San Jose, CA (US);
Abstract
A method and an apparatus to store content rating information have been disclosed. In one embodiment, the method includes receiving a user request to access a web page, sending a domain name system (DNS) request to a first one of a plurality of DNS servers from a content filtering client to get content rating information of the web page in response to the user request, and receiving from the first one DNS server a DNS response containing the content rating information to the content filtering client. Other embodiments have been claimed and described.