US 11,671,427 B2
Server and system for secure configuration push for DMZ proxy clients
Ryan Benedict Saldanha, Anaheim, CA (US); Vinay T. Kamath, Rancho Santa Margarita, CA (US); Scott Alan Savino, Lake Forest, CA (US); and Elliott Scott Middleton, Jr., Tyler, TX (US)
Assigned to AVEVA SOFTWARE, LLC, Lake Forest, CA (US)
Filed by AVEVA Software, LLC, Lake Forest, CA (US)
Filed on Oct. 28, 2021, as Appl. No. 17/513,500.
Application 17/513,500 is a continuation of application No. 16/566,738, filed on Sep. 10, 2019, granted, now 11,405,392.
Claims priority of provisional application 62/729,945, filed on Sep. 11, 2018.
Prior Publication US 2022/0124093 A1, Apr. 21, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H04L 9/40 (2022.01)
CPC H04L 63/0884 (2013.01) [H04L 63/0209 (2013.01); H04L 63/0281 (2013.01); H04L 63/101 (2013.01); H04L 63/205 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A server system comprising:
one or more computers comprising one or more processors and one or more non-transitory computer readable media, the one or more non-transitory computer readable media comprising instructions stored thereon that when executed cause the one or more computers to implement:
an internal computer network, a first firewall, a first proxy server, a second firewall, a network, a third firewall, a second proxy server, and an external computer network;
wherein the first firewall is located between the internal computer network and the first proxy server;
wherein the first proxy server is located between the first firewall and the second firewall;
wherein the second firewall is located between the first proxy server and the network;
wherein the network is located between the second firewall and the third firewall;
wherein the third firewall is located between the network and the second proxy server;
wherein the second proxy server is located between the third firewall and the external computer network;
wherein the second firewall and the third firewall are configured to isolate the network from the internal computer network and the external computer network;
wherein the first proxy server comprises a first demilitarized zone (DMZ) proxy server; and
wherein the second proxy server comprises a second DMZ proxy server.