Web developmentSilverWall - Anti-XDT Firewall[email protected]SilverWall an Audio Firewall/Anti-XDT Solution. Filters inaudible beacons made by company's like SilverPush used for Cross Device Tracking (XDT). This is a rebranding of SilverDog which wasn't uploaded to FireFox Add-ons or Chrome Extension Store.Screenshots from Mozilla Add-ons