Websocket in Nginx Proxy Manager Einrichtung Websocket für Vaultwarden:  location: /notifications/hub scheme: http forward-hostname/ip: IPvonVaultwarden port: 3012 zahnradmenü: proxy_set_header Upgrade $http_upgrade; proxy_set_header Connection "upgrade"; location: /notification/hub/negotiate scheme: http forward-hostname/ip: IPvonVaultwarden port: 8080