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:
Dec. 30, 2014
Filed:
Dec. 27, 2010
Detection of unauthorized changes to an address resolution protocol cache in a communication network
Applicants:
Nicholas S. Dade, Santa Cruz, CA (US);
Soren K. Lundsgaard, Inverness, IL (US);
Inventors:
Nicholas S. Dade, Santa Cruz, CA (US);
Soren K. Lundsgaard, Inverness, IL (US);
Assignee:
Symbol Technologies, Inc., Holtsville, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04W 4/00 (2009.01); H04L 12/28 (2006.01); H04L 12/56 (2006.01); H04L 29/06 (2006.01);
U.S. Cl.
CPC ...
H04L 63/1441 (2013.01);
Abstract
A method and apparatus for detecting an unauthorized change in an Address Resolution Protocol (ARP) cache in a communication network includes a step of establishing an authorized ARP cache. Another step includes examining packets from a terminal for a destination address. Another step includes determining if the destination address is incorrect by using the authorized ARP cache.