To deploy an updated version of NetScaler Gateway Plug-in for Mac OS X, complete the following procedure: Log on to NetScaler Command Line through any SSH client and run the following command to switch to the shell prompt on the appliance: shell. Run the following commands to open the directory that contains the Macintosh client. NetScaler Gateway 12.1.48.13 is free to download from our software library. Our antivirus check shows that this download is clean. The software lies within Internet & Network Tools, more precisely Network Tools. The size of the latest downloadable setup file is 317.7 MB.
Additionally, the Mac OS and Windows plug-ins have been refreshed and updated for the 11.0 release, including OS X 10.10 (Yosemite) support for the Mac OS X plug-in. Plug-in Version Decoupling The NetScaler Gateway client plug-ins are no longer coupled to the Citrix NetScaler Gateway. In the mac OS high Sierra there is an extra security setting that blocks applications for security reasons and standard it also blocks Citrix applications and plugins. You can find it in the Systems Settings - Security. At the bottom of the window is a hint that shows that some software is blocked.
Applicable Products
NetScaler Gateway
Symptoms or Error
If you install a fresh copy of Mac OS High Sierra on a new machine (not upgrade) and try to install NetScaler Gateway plugin for Mac, then you will see a popup indicating that the system extensions signed by 'Citrix Systems Inc.” were blocked.
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Even though you see the message that installation was successful, VPN connections to NetScaler Gateway will not work.
This issue doesn’t arise if you upgrade from older Mac OS to High Sierra because the extensions were already approved during the previous plug-in installation on older OS.
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Solution
As per the suggestion in the popup, navigate to System Preferences > Security & Privacy and allow the blocked extensions. If the problem persists, re-install the plug-in.
Note: You might or might not get the registration blocked message.
Citrix Gateway Plug In
Problem Cause
macOS High Sierra has introduced a new feature that prompts the user to approve new third-party kernel extensions.