Protect Admin panel by restricting access to only IP LAN

Hello, With the 1.25.1 version of Vaultwarden, my script to enable websocket notifications wasn't working anymore because of some lack of proxy_set_header in my configuration file. I do some research with the wiki, and I have come to change some proxy_set_header according to the wiki. Some explanations first First I have to explain my particular configuration of Vaultwarden. I installed it in docker, on my Synology NAS. I use a domain name, with a valid certificate, so in HTTPS in order to use 2FA for login. I also use the reverse proxy of DSM to serve my services with various domain names like : • vault.mydomain.tld • dsm.mydomain.tld • photos.mydomain.tld • files.mydomain.tld • etc ... The reverse proxy is base on NGINX, but we don't have access to it easily. It needs SSH to the NAS. In order to get the WebSocket Notifications working, I have to launch a bash script searching in the server.ReverseProxy.conf the server line …