If you no longer use WebTorrent, fully uninstalling the plugin is the cleanest long-term solution.
Vuze (older versions) / BiglyBT (modern successor) with WebTorrent plugin or protocol proxy active. how to remove vuze webtorrent protocol proxy
Issue: BitTorrent traffic in Vuze (or BiglyBT) is routed through a proxy, causing slow speeds, connection failures, or privacy concerns. This proxy is often automatically enabled when using the "WebTorrent" or built-in web seeding features. If you no longer use WebTorrent, fully uninstalling