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. 31, 2020

Filed:

Jul. 11, 2017
Applicant:

Cisco Technology, Inc., San Jose, CA (US);

Inventors:

Rajesh Kumar, Palo Alto, CA (US);

Alex V. Truong, San Jose, CA (US);

Erik J. Burgess, San Francisco, CA (US);

Swapnil A. Pathrikar, San Ramon, CA (US);

Ashok V. Iyer, Brevard, NC (US);

Assignee:

Cisco Technology, Inc., San Jose, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/08 (2006.01); H04L 12/46 (2006.01); H04L 29/06 (2006.01);
U.S. Cl.
CPC ...
H04L 67/141 (2013.01); H04L 12/4633 (2013.01); H04L 63/029 (2013.01); H04L 63/0272 (2013.01); H04L 63/0281 (2013.01); H04L 63/08 (2013.01); H04L 63/20 (2013.01); H04L 63/205 (2013.01); H04L 67/28 (2013.01); H04L 63/0892 (2013.01); H04L 67/10 (2013.01); H04L 69/16 (2013.01);
Abstract

A cloud proxy communicates over a public network with a network proxy in a private network. The network proxy communicates with the public network through a firewall. The cloud proxy receives from a requester a request to communicate with a remote device in the private network. The cloud proxy creates first forwarding rules to forward traffic from the requester to the network proxy and from the network proxy to the requester. The cloud proxy sends the request to the network proxy, which causes the network proxy to create second forwarding rules to forward traffic from the network proxy to the remote device and from the remote device to the cloud proxy. A communication tunnel through the firewall device between the cloud proxy and the network proxy is established over which the southbound and northbound traffic is forwarded based on the first forwarding rules and the second forwarding rules.


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