Page Comparison

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You will be directly navigated to the "Global Plugin Settings" section of the plugin. Here, the filter state is shown and the steps are described what has to be done for activation:

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There is one precondition that has to be fulfilled to activate the filter - as long as this are not met, the "Activate" button will remain disabled: A global filter rule has to be defined.

1. Define the global rule! You cannot run the filter without defining at least the global rule as a whitelist of file extensions which users are allowed to upload. Use the "Define Global Filter Rule" link from within the preconditions section and create the global filter rule. After creating your global filter rule go back to the "Global Plugin Settings" in the top navigation. The fulfillment of this precondition will be confirmed by the green check mark .
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2. The "Activate" button is now enabled to switch on the filter. Starting with the activation of the plugin, all attachments will be filtered based on the global filter rule and any other rules you have defined. Click "Activate" to start filtering attachments. You can check the current filter state within the "Global Plugin Settings" - after clicking "Activate", the filter state indicates that the filter is active.
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3. Test your filter rule! Go to some wiki page and try to upload a file which is not allowed according to your global filter rule. 
   1. If you drag and drop a file on the page a message like this will appear:
      
      
   2. If you want to attach a file using the "Attachment" page and the file upload form, this message will be shown on top of the attachments list:
      
      
   3. Feel free to check other upload scenarios!
      
      
4. Congratulations! Your Attachment Filter is active and running.

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The active filter can be deactivated in the "Global Plugin Settings" section (top navigation). To stop filtering attachments click the "Deactivate" button.
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A dialog will appear to make sure that you are deactivating the filter intentionally. If you confirm the dialog the filter will be deactivated.
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Automatic deactivation of the Attachment Filter plugin

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In both cases, a warning message will appear in the "Global Plugin Settings" section.

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A rare case is that your license expires while you have the plugin configuration open in your browser. In this case the following message will appear. (Note that you don't need a license for the beta release of the plugin, so this section does not apply in that case).

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