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. 17, 2023
Filed:
Apr. 15, 2020
Cisco Technology, Inc., San Jose, CA (US);
Kyle Mestery, Woodbury, MN (US);
Graham Bartlett, Plymouth, GB;
CISCO TECHNOLOGY, INC., San Jose, CA (US);
Abstract
Techniques are described to provide efficient protection for a virtual private network. In one example, a method is provided that includes obtaining a packet at a first network entity; determining that the packet is a packet type of an authentication type; determining whether authentication content for the packet matches known good criteria for the packet type of the authentication type; based on determining that the authentication content for the packet does not match the known good criteria, performing at least one of dropping the packet and generating an alarm; and based on determining that the authentication content for the packet does match the known good criteria, processing the packet at the first network entity or forwarding the packet toward a second network entity.