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:
Oct. 20, 2009
Filed:
Sep. 14, 2006
Bharath Kumar Chandra Sekhar, Santa Clara, CA (US);
Jianda LI, San Jose, CA (US);
Shuosen Robert Liu, San Jose, CA (US);
Narasimham Kodukula, Sunnyvale, CA (US);
Bharath Kumar Chandra Sekhar, Santa Clara, CA (US);
Jianda Li, San Jose, CA (US);
Shuosen Robert Liu, San Jose, CA (US);
Narasimham Kodukula, Sunnyvale, CA (US);
Trend Micro Incorporated, Tokyo, JP;
Abstract
In one embodiment, a router inspects at a network layer source addresses of network layer packets flowing through the router. The router compares the source addresses to addresses of computers employed by spammers, and performs a predetermined action on a particular network layer packet having a source address that belongs to a computer of a spammer. The predetermined action may involve dropping the particular network layer packet or limiting the data transfer rate of the particular network layer packet.