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:
May. 27, 2025

Filed:

Oct. 24, 2023
Applicant:

Akamai Technologies, Inc., Cambridge, MA (US);

Inventors:

David Senecal, Santa Clara, CA (US);

Andrew Kahn, San Francisco, CA (US);

Ory Segal, Herzliya, IL;

Elad Shuster, Herzliya, IL;

Duc Nguyen, Santa Clara, CA (US);

Assignee:

Akamai Technologies, Inc., Cambridge, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); G06N 20/00 (2019.01); H04L 9/40 (2022.01); H04L 67/02 (2022.01);
U.S. Cl.
CPC ...
H04L 63/1483 (2013.01); G06N 20/00 (2019.01); H04L 63/166 (2013.01); H04L 67/02 (2013.01);
Abstract

This disclosure describes a technique to fingerprint TLS connection information to facilitate bot detection. The notion is referred to herein as 'TLS fingerprinting.' Preferably, TLS fingerprinting herein comprises combining different parameters from the initial “Hello” packet send by the client. In one embodiment, the different parameters from the Hello packet that are to create the fingerprint (the “TLS signature”) are: record layer version, client version, ordered TLS extensions, ordered cipher list, ordered elliptic curve list, and ordered signature algorithms list. Preferably, the edge server persists the TLS signature for the duration of a session.


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