In many projects, NetScaler is generally placed in the DMZ, and NS is isolated from the backend infrastructure network, and the general bank and securities customers only open ports for VDI access, and here's the Citrix NetScaler ports that I previously organized in a project ...
Firewall Open port:
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http://support.citrix.com/article/CTX114355
Ne Tscaler with XD before port reference this KB
http://support.citrix.com/article/CTX113250
This article is from the "liy-l" blog, make sure to keep this source http://liy116.blog.51cto.com/2991406/1657907
About the firewall ports that need to be open before netscaler with the background XD environment