{
  "log": {
    "level": "error"
  },
  "dns": {
    "servers": [
      {
        "type": "local",
        "tag": "default"
      }
    ]
  },
  "inbounds": [
    {
      "type": "mixed",
      "tag": "mixed-in",
      "listen_port": 7897
    }
  ],
  "outbounds": [
    {
      "type": "direct",
      "tag": "direct"
    },
    {
      "type": "vless",
      "tag": "vless-out",
      "server": "example.com",
      "server_port": 443,
      "uuid": "3179dce2-2ff9-413c-85b4-c1d53ed41668",
      "tls": { // https://sing-box.sagernet.org/configuration/shared/tls/#outbound
        "enabled": true,
        "server_name": "example.com",
        "alpn": "h2" // h3 for QUIC
      },
      "transport": {
        "type": "xhttp",
        "mode": "stream-up", // packet-up, stream-one
        "host": "example.com",
        "path": "/xhttp",
        "headers": {},
        "domain_strategy": "prefer_ipv4",
        "x_padding_bytes": "100-1000",
        "no_grpc_header": false, // stream-up/one, client only
        "sc_max_each_post_bytes": 1000000, // packet-up only
        "sc_min_posts_interval_ms": 30, // packet-up, client only
        "xmux": { // h2/h3 mainly, client only
          "max_concurrency": "16-32",
          "max_connections": 0,
          "c_max_reuse_times": 0,
          "h_max_request_times": "600-900",
          "h_max_reusable_secs": "1800-3000",
          "h_keep_alive_period": 0
        },
        "x_padding_obfs_mode": false,
        "x_padding_key": "",
        "x_padding_header": "",
        "x_padding_placement": "",
        "x_padding_method": "",
        "uplink_http_method": "",
        "session_placement": "",
        "session_key": "",
        "seq_placement": "",
        "seq_key": "",
        "uplink_data_placement": "",
        "uplink_data_key": "",
        "uplink_chunk_size": 0,
        "server": "example.com",
        "server_port": 443,
        "download": {
          "host": "example.com",
          "path": "/xhttp",
          "headers": {},
          "domain_strategy": "prefer_ipv4",
          "x_padding_bytes": "100-1000",
          "no_grpc_header": false, // stream-up/one, client only
          "sc_max_each_post_bytes": 1000000, // packet-up only
          "sc_min_posts_interval_ms": 30, // packet-up, client only
          "xmux": { // h2/h3 mainly, client only
            "max_concurrency": "16-32",
            "max_connections": 0,
            "c_max_reuse_times": 0,
            "h_max_request_times": "600-900",
            "h_max_reusable_secs": "1800-3000",
            "h_keep_alive_period": 0
          },
          "x_padding_obfs_mode": false,
          "x_padding_key": "",
          "x_padding_header": "",
          "x_padding_placement": "",
          "x_padding_method": "",
          "uplink_http_method": "",
          "session_placement": "",
          "session_key": "",
          "seq_placement": "",
          "seq_key": "",
          "uplink_data_placement": "",
          "uplink_data_key": "",
          "uplink_chunk_size": 0,
          "server": "example.com",
          "server_port": 443,
          "tls": { // https://sing-box.sagernet.org/configuration/shared/tls/#outbound
            "enabled": true,
            "server_name": "example.com",
            "alpn": "h2" // h3 for QUIC
          },
          "detour": "direct"
        }
      },
      "packet_encoding": ""
    }
  ],
  "route": {
    "final": "vless-out",
    "default_domain_resolver": "default",
    "auto_detect_interface": true
  }
}