	US 12,261,847 B2
	Nonce-based enterprise security policy enforcement
Hendrikus G P Bosch, Aalsmeer (NL); Jeffrey Michael Napper, Delft (NL); Alessandro Duminuco, Milan (IT); Sape Jurrien Mullender, Amsterdam (NL); Julien Barbot, Villebon-sur-yvette (FR); and Vinny Parla, North Hampton, NH (US)
Assigned to Cisco Technology, Inc., San Jose, CA (US)
Filed by Cisco Technology, Inc., San Jose, CA (US)
Filed on May 16, 2023, as Appl. No. 18/197,895.
Application 18/197,895 is a continuation of application No. 17/169,086, filed on Feb. 5, 2021, granted, now 11,683,309.
Prior Publication US 2023/0283608 A1, Sep. 7, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H04L 9/40 (2022.01); H04L 61/4511 (2022.01)

CPC H04L 63/10 (2013.01) [H04L 61/4511 (2022.05); H04L 63/0876 (2013.01); H04L 63/20 (2013.01); H04L 63/0272 (2013.01)]

20 Claims

1. A method of inspecting traffic sent from a client computing device and to a destination, the method comprising:

receiving, at a cloud-based security service, traffic sent from the client computing device to the destination;

determining that the traffic includes a nonce associated with the cloud-based security service;

identifying a security function that is to be applied to all traffic received at the cloud-based security service that includes the nonce;

subsequent to determining that the traffic includes the nonce, applying the security function to the traffic based at least in part on the nonce; and

sending the traffic to the destination.