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:
Sep. 24, 2024

Filed:

Jun. 30, 2023
Applicant:

Zscaler, Inc., San Jose, CA (US);

Inventors:

John A. Chanak, Saratoga, CA (US);

Chakkaravarthy Periyasamy Balaiah, San Jose, CA (US);

Sandeep Kamath, San Jose, CA (US);

Vikas Mahajan, Ludhiana, IN;

Barrett Hostetter-Lewis, Chico, CA (US);

Gregory Rybinski, San Jose, CA (US);

Rishabh Gupta, Ambala, IN;

Pankaj Chhabra, Surrey, CA;

Assignee:

Zscaler, Inc., San Jose, CA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04L 67/568 (2022.01); H04L 9/40 (2022.01); H04L 67/02 (2022.01);
U.S. Cl.
CPC ...
H04L 67/568 (2022.05); H04L 63/0823 (2013.01); H04L 67/02 (2013.01);
Abstract

Techniques for processing web probes for monitoring user experience including use of caching to prevent a surge of web probes on destination servers and for detecting web probe traffic. A method implemented by a connector includes intercepting a Hypertext Transfer Protocol Secure (HTTPS) web probe request to a server, identifying a cache hit associated with the request in a cache, generating a synthetic Hypertext Transfer Protocol (HTTP) response based on information from the identified cache hit, wherein the generated synthetic HTTP response includes an extension header containing collected statistics, and sending the synthetic HTTP response. The method can further include simulating a Secure Socket Layer (SSL) handshake to estimate SSL cost.


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