Computer Configuration > Administrative Templates > Citrix Components > Citrix Workspace > Network routing > Proxy
Machine
HKLM\Software\Policies\Citrix\ICA Client\Engine\Network Routing\Proxy\NetScaler LAN Proxy
Citrix Workspace app supports session launches using the NetScaler LAN proxy. If both static proxy and dynamic proxies are configured, the dynamic proxy configuration takes precedence. You can configure static proxy: Select the Configure NetScaler LAN proxy manually policy. Select Enabled and then provide the host name and port number. Click Apply and OK.