US 11,838,214 B2
Stateful packet inspection and classification
Philip Kwan, San Jose, CA (US); and Shu Lin, Saratoga, CA (US)
Assigned to Palo Alto Networks, Inc., Santa Clara, CA (US)
Filed by Palo Alto Networks, Inc., Santa Clara, CA (US)
Filed on Jan. 14, 2022, as Appl. No. 17/576,850.
Application 17/576,850 is a continuation of application No. 16/673,679, filed on Nov. 4, 2019, granted, now 11,258,715.
Application 16/673,679 is a continuation of application No. 15/823,408, filed on Nov. 27, 2017, granted, now 10,516,609, issued on Dec. 24, 2019.
Application 15/823,408 is a continuation of application No. 14/133,479, filed on Dec. 18, 2013, granted, now 9,860,166, issued on Jan. 2, 2018.
Prior Publication US 2022/0141144 A1, May 5, 2022
Int. Cl. H04L 47/2408 (2022.01); H04L 69/22 (2022.01); H04L 45/74 (2022.01)
CPC H04L 47/2408 (2013.01) [H04L 45/74 (2013.01); H04L 69/22 (2013.01)] 30 Claims
OG exemplary drawing
 
16. A method, comprising:
receiving, at a configuration interface made available to a user via a portal, (1) a first differentiated services header value (DSHV) to associate with a first packet type associated with a first network traffic flow originating from a first application type and (2) a corresponding first quality of service treatment, wherein in response to a selection made by the user, a predetermined set of code points that are valid are displayed;
receiving, at the configuration interface, (1) a second DSHV to associate with a second packet type associated with a second network traffic flow originating from a second application type and a corresponding second quality of service treatment;
receiving a first packet having the first packet type and apply the first quality of service treatment to the first packet; and
receiving a second packet having the second packet type and apply the second quality of service treatment to the second packet.