cf.json

{
  "log": {
    "level": "info"
  },
  "dns": {
    "servers": [
      {
        "address": "223.5.5.5"
      }
    ]
  },
  "inbounds": [
    {
      "type": "vless",
      "listen": "0.0.0.0",
      "listen_port": 7860,
      "sniff": true,
      "users": [
        {
          "uuid": "b4196503-9e02-44a5-92ea-0b11b058b53d",
          "flow": ""
        }
      ],
      "tls": {
        "enabled": false,
        "server_name": "www.cloudflare.com"
      }
    }
  ],
  "outbounds": [
    {
      "type": "direct",
      "tag": "direct"
    }
  ],
  "route": {
    "rules": [
      {
        "protocol": "dns",
        "action": "direct"
      }
    ]
  }
}