NOTE: NPAPI support in Firefox ESR version 52 is not currently compatible with the ProxySG or Advanced Secure Gateway Management Console. Add new Boolean string 'plugin.load_flash_only' and set it to false.In the browser address bar, enter: about:config.

NPAPI plugin support was disabled by default in version 52. If you are currently running Mozilla Firefox version 52

At the bottom of the configuration page, click the Relaunch button to relaunch the browser.

In the Enable NPAPI section, click the Enable link.

In the browser address bar, enter: chrome://flags/#enable-npapi.

NPAPI plugin support was disabled by default in versions 42 through 44. If you are currently running Google Chrome version 42 through 44 Use the appropriate workaround if the Management Console must be accessed directly using a browser that has removed or disabled support for the NPAPI plugin. For details on using Java Web Start, see Download the Management Console Launcher JNLP file to launch multiple Management Consoles Workaround Doing so ensures that any future changes in browser behavior will not impact Management Console accessibility.

See Supported Java, operating system, and browser versions for SGOS and Advanced Secure GatewayĪ transition from direct, in-browser access, to using Java Web Start for all Management Console activities. Note: Symantec supports browsers unaffected by NPAPI plugin removal that can access the Management Console directly.

NPAPI plugin support will be removed in version 53 and later.

NPAPI plugin support was disabled by default in version 52.

Silverlight offers a flexible programming model that supports AJAX, VB, C, Python, and Ruby, and.

NPAPI plugin support was removed in version 45 and later. Microsoft Silverlight is a programmable web browser plugin that enables features such as animation, vector graphics and audio-video playback so you can experience rich Internet applications.

NPAPI plugin support was disabled by default in version 42.

Refer to following for the status of the NPAPI plugin support amongst browser versions: Some browsers, such as Google Chrome and Mozilla Firefox, have removed support for the NPAPI plugin. NPAPI plugin support is required when a browser accesses the ProxySG Management Console or the Proxy tab in the ASG Management Console directly.

Install silverlight on firefox tablet