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:
Apr. 06, 2010
Filed:
Oct. 21, 2003
Lee Shombert, Herndon, VA (US);
Stephen James, South Riding, VA (US);
Jennifer Carle, Vienna, VA (US);
David Friedman, Roseville, CA (US);
Lee Shombert, Herndon, VA (US);
Stephen James, South Riding, VA (US);
Jennifer Carle, Vienna, VA (US);
David Friedman, Roseville, CA (US);
Cisco Technology, Inc., San Jose, CA (US);
Abstract
Techniques for implementing a firewall in a gateway network element between two IP based networks is provided. Packets can be filtered out that specify the gateway network element as the source, where the packet comes from the network that is not visible to the other network. For example, if a packet on DCC going to the gateway network element specifies the gateway network element as the source, the packet can be discarded.