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:
Jan. 07, 2025

Filed:

Apr. 21, 2021
Applicant:

Citrix Systems, Inc., Fort Lauderdale, FL (US);

Inventors:

Andrew Penner, Savoy, IL (US);

Tushar Kanekar, Fremont, CA (US);

Assignee:

Citrix Systems, Inc., Fort Lauderdale, FL (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/40 (2022.01); H04L 67/63 (2022.01);
U.S. Cl.
CPC ...
H04L 63/166 (2013.01); H04L 63/0428 (2013.01); H04L 63/126 (2013.01); H04L 63/1416 (2013.01); H04L 63/1441 (2013.01); H04L 67/63 (2022.05);
Abstract

Systems and methods for detecting attacks using a handshake request are provided. A plurality of devices can receive a plurality of handshake requests to establish TLS connections that include a respective application request. At least one of the plurality of handshake requests can include a first application request. The plurality of devices can record each of the respective application requests to a registry of application requests. A first device of the plurality of devices can receive a subsequent handshake request to establish a subsequent TLS connection that includes the first application request. The first device can query, prior to accepting the first application request, the registry for the first application request. The first device can determine whether to accept or reject the first application request responsive to identifying from the query that the first application request has not been or has been recorded in the registry.


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