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.

Date of Patent:
Mar. 15, 2011

Filed:

Mar. 21, 2005
Applicants:

Scott S. Firestone, Mountain View, CA (US);

Cullen Jennings, San Jose, CA (US);

Daniel G. Wing, San Jose, CA (US);

Dan Touitou, Ramat Gan, IL;

Inventors:

Scott S. Firestone, Mountain View, CA (US);

Cullen Jennings, San Jose, CA (US);

Daniel G. Wing, San Jose, CA (US);

Dan Touitou, Ramat Gan, IL;

Assignee:

Cisco Technology, Inc., San Jose, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/32 (2006.01); H04L 29/00 (2006.01); H04L 29/06 (2006.01); G06F 7/04 (2006.01); G06F 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Authenticating an endpoint using a STUN server includes facilitating a communication session between a first endpoint and a second endpoint over a network. A challenge request is sent to the second endpoint. The challenge request attempts to authenticate the second endpoint and includes an identification. The identification is associated with an expected response identification. A response to the challenge request is received from the second endpoint. The response has an actual response identification. The received response is verified to establish whether the second endpoint is legitimate. The second endpoint is legitimate if the actual response identification includes the expected response identification.


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