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:
Jan. 25, 2011
Filed:
May. 05, 2006
Applicant:
Daniel Quinlan, San Bruno, CA (US);
Inventor:
Daniel Quinlan, San Bruno, CA (US);
Assignee:
Ironport Systems, Inc., San Bruno, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 15/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of validating queries for reputation scores of message senders comprises receiving, from a first host computer, a DNS format query to obtain a reputation score associated with a second host computer, wherein the query includes an authentication code; validating the authentication code; and only when validating the authentication code is successful, performing a DNS lookup in a reputation database and returning a DNS response that provides the reputation score associated with the second host computer.