Singbox 只允许IPv6进行代理的服务端配置

黑五买了好多机，其中一个VPS发现IP和IPv6都被Google送中了，Crome通过Location Guard (V3)插件成功让IPv4送回美国了，但是IPv6依然是中国。无论客户端如何设置，服务端访问Google都是走的IPv4，不走IPv6。只好对配置文件下手，修改配置文件后，成功让Google走了IPv6，并通过插件让其送回美国。适用Singbox 1.12.12版本。

配置文件：

{
  "log": {
    "level": "info"
  },
  "dns": {
    "servers": [
      {
        "type": "local",
        "tag": "dnsipv6only",
        "detour": "direct"
      }
    ],
    "final": "dnsipv6only",
    "strategy": "ipv6_only"
  },
  "inbounds": [
    {
      "type": "hysteria2",
      "tag": "hy2-in",
      "listen": "::",
      "listen_port": 443,
      "up_mbps": 1000,
      "down_mbps": 1000,
      "users": [
        {
          "name": "user",
          "password": "Your Password"
        }
      ],
      "tls": {
        "enabled": true,
        "server_name": "your domain",
        "alpn": [
          "h3"
        ],
        "acme": {
          "domain": "your domain",
          "email": "your cloudflare email for sign",
          "provider": "letsencrypt",
          "disable_http_challenge": true,
          "dns01_challenge": {
            "provider": "cloudflare",
            "api_token": "your clodflare api"
          }
        }
      },
      "masquerade": "https://www.tesla.com/", 
      "brutal_debug": false 
    }  
  ],
  "outbounds": [
    {
      "type": "direct",
      "tag": "direct",
      "tcp_fast_open": true,
      "tcp_multi_path": true
    }
  ],
  "route": {
    "rules": [
      {
        "action": "sniff"
      },
      {
        "protocol": [
          "bittorrent",
          "quic"
        ],
        "action": "reject",
        "method": "default"
      },
      {
        "protocol": "dns",
        "action": "hijack-dns"
      }
    ],
    
    "default_domain_resolver": {
      "server": "dnsipv6only",
      "strategy": "ipv6_only"
    }
  }
}

Cloudflare的域名api 修改要DNS的修改权限和区域权限，可以自动申请SSL证书。