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US Patent 9419942 Destination domain extraction for secure protocols

Patent 9419942 was granted and assigned to Palo Alto Networks on August, 2016 by the United States Patent and Trademark Office.

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Contents

Patent abstractTimelineTable: Further ResourcesReferences
Is a
Patent
Patent

Patent attributes

Patent Applicant
Palo Alto Networks
Palo Alto Networks
Current Assignee
Palo Alto Networks
Palo Alto Networks
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
9419942
Date of Patent
August 16, 2016
Patent Application Number
13951320
Date Filed
July 25, 2013
Patent Citations Received
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US Patent 12113771 Methods and systems for efficient adaptive logging of cyber threat incidents
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US Patent 12074863 Dynamic bypass
5
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US Patent 12107893 Methods and systems for protecting a secured network
6
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US Patent 11785041 Identifying and using DNS contextual flows
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US Patent 11792202 TLS policy enforcement at a tunnel gateway
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US Patent 11792220 Rule-based network-threat detection
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US Patent 11855966 Methods and systems for efficient encrypted SNI filtering for cybersecurity applications
7
...
Patent Primary Examiner
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Teshome Hailu
Patent abstract

Techniques for destination domain extraction for secure protocols are disclosed. In some embodiments, destination domain extraction for secure protocols includes monitoring network communications between a client and a remote server; determining if the client sends a request to create a secure connection with the remote server (e.g., in which the network communications are initiating a setup for a secure protocol-based connection); and extracting a destination domain from the request to create the secure connection with the remote server. In some embodiments, the secure protocol is a secure sockets layer (SSL) protocol or transport layer security (TLS) protocol, and the destination domain is extracted from the server name indication (SNI) of a client hello message sent from the client to the remote server. In some embodiments, destination domain extraction for secure protocols further includes applying a policy (e.g., a security policy) based on the destination domain to filter traffic using a security device.

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