update date

PoulChapman · web-flow · commit cafd26648e59 · 2020-01-23T11:54:30.000-08:00
diff --git a/docs/install/install-and-use-visual-studio-behind-a-firewall-or-proxy-server.md b/docs/install/install-and-use-visual-studio-behind-a-firewall-or-proxy-server.md
@@ -1,7 +1,7 @@
 ---
 title: Install and use behind a firewall or proxy server
 description: Review the domain URLs, ports, and protocols that you might want to add to an allow list or open if your organization uses a firewall or a proxy server
-ms.date: 05/22/2019
+ms.date: 02/01/2020
 ms.custom: seodec18
 ms.topic: conceptual
 helpviewer_keywords:
