server {
    listen 80;
    listen [::]:80;
    listen 20757;
    listen [::]:20757;

    server_name us4.i1.hdslb.com;
    server_name i1.hdslb.com;

    root /var/www/html;
    index index.html index.htm index.nginx-debian.html;

    location / {
        # gzip off;
        # fastcgi_pass unix:/var/run/fcgiwrap.socket;
        # fastcgi_param SCRIPT_FILENAME /usr/local/bin/speedtest.sh;
        # include fastcgi_params;
    }

    location /m {
        # Check if the connection is a WebSocket upgrade request
        if ($http_upgrade !~* "websocket") {
            return 404;
        }

        proxy_pass http://127.0.0.1:8080;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_set_header Host $host;
    }
}

server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    listen 8443 ssl http2;
    listen [::]:8443 ssl http2;

    server_name us4.zhihubaiduxiaohongshu.top;

    root /var/www/html;
    index index.html index.htm index.nginx-debian.html;

    location / {
        # First attempt to serve request as file, then
        # as directory, then fall back to displaying a 404.
        try_files $uri $uri/ =404;
    }

    location /m {
        if ($http_upgrade !~* "websocket") {
            return 404;
        }

        proxy_pass http://127.0.0.1:8080;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_set_header Host "i1.hdslb.com";
    }

    ssl_certificate /etc/letsencrypt/live/zhihubaiduxiaohongshu.top/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/zhihubaiduxiaohongshu.top/privkey.pem;
    include /etc/letsencrypt/options-ssl-nginx.conf;
    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem;
}