After updating to v9.318 or v9.352, you may see a “Backend connection lost” message after opening the Flow Monitor and WebAdmin may stop working.
The issue occurs when clicking on “flow monitor” from the Dashboard or when browsing to Web Protection > Application Control.
If a “Backend connection lost” message is displayed, please re-log into the WebAdmin console.
The issue will be addressed as soon as possible in one of the next firmware updates. We apologize for the inconvenience caused by this.
Note: Please see our knowledgebase article for more details.