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. 23, 2021

Filed:

Mar. 24, 2017
Applicant:

Symantec Corporation, Mountain View, CA (US);

Inventors:

Brian Witten, Hermosa Beach, CA (US);

Qing Li, Cupertino, CA (US);

Ronald Frederick, Mountain View, CA (US);

Roelof Du Toit, Portersville, PA (US);

Susanta Nanda, Santa Clara, CA (US);

Saurabh Shintre, Sunnyvale, CA (US);

Darren Shou, La Jolla, CA (US);

Assignee:

NortonLifeLock Inc., Tempe, AZ (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); H04L 9/32 (2006.01); H04L 12/26 (2006.01);
U.S. Cl.
CPC ...
H04L 63/126 (2013.01); H04L 9/3265 (2013.01); H04L 9/3268 (2013.01); H04L 43/0811 (2013.01); H04L 63/0823 (2013.01); H04L 63/166 (2013.01); H04L 67/42 (2013.01); H04L 63/0428 (2013.01);
Abstract

The disclosed computer-implemented method for verifying connection integrity may include (i) receiving a request from a client to initiate a connection to a server via a middlebox, (ii) receiving, from the client, via a side protocol executing in parallel with a transport layer security protocol, a request for a certificate for the middlebox, (iii) sending, to the client, via the side protocol, the certificate, (iv) receiving, from the client, via the side protocol, a request for an additional certificate from a device upstream of the middlebox, (v) requesting, from the device upstream of the middlebox, via the side protocol, the additional certificate, (vi) receiving, from the device upstream of the middlebox, via the side protocol, the additional certificate, (vii) sending, to the client, via the side protocol, the additional certificate, and (viii) relaying data via the connection. Various other methods, systems, and computer-readable media are also disclosed.


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