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X-UI面板进阶教程，自定义DNS分流/多IP出口

在前文中我们介绍了XUI面板搭建基础教程，但实际使用过程中会用到更多样化的配置，比如给节点配置DNS流媒体解锁、根据不同情况分流至相应的服务出口、多IP出口地址，XUI面板采用的Xray核心框架，也就对应支持xray的自定义功能，本文对其详细配置进行说明。

1、进入到xui面板设置中，找到“xray 相关设置”，在这里是xray配置模板，修改其中的部分参数就能达到所需要的各种效果；

2、Xray配置主要有入站（inbounds）、出站（outbounds）、路由（routing）三大项，其中入站通过xui面板API获取，出站则表示流量怎么流出，路由则是把入口跟出口串联起来；

DNS分流

　1、常用情况下会用到DNS来分流解锁一些流媒体网站，进行域名分流在 inbounds 段新增代码开启流量识别功能，如下；

  "inbounds": [
    {
      "listen": "127.0.0.1",
      "port": 62789,
      "protocol": "dokodemo-door",
      "settings": {
        "address": "127.0.0.1"
      }，
      "sniffing": {
      "enabled": true,
      "destOverride": ["http", "tls"]
      },
      "tag": "api"
    }
  ]

　2、在 outbounds 段内的首项配置中添加 "domainStrategy": "UseIP" 以使用内置的DNS功能，如下；

  "outbounds": [
    {
    "protocol": "freedom",
    "settings": {"domainStrategy": "UseIP"}
    },
    {
      "protocol": "blackhole",
      "settings": {},
      "tag": "blocked"
    }
  ]

　3、在配置文件末尾最后的括号内添加要走DNS解锁的分流网站域名规则等；

  "dns": {
    "servers": [
      "8.8.8.8",
      {
        "address": "x.x.x.x", //DNS提供的解锁IP
        "port": 53,
        "domains": ["geosite:netflix"]  //要解锁的网站或geo文件名
      }
    ]
  }

　4、完全版配置如下，可直接复制粘贴替换掉配置模板内容，注意修改DNS信息；

{
  "api": {
    "services": [
      "HandlerService",
      "LoggerService",
      "StatsService"
    ],
    "tag": "api"
  },
  "inbounds": [
    {
      "listen": "127.0.0.1",
      "port": 62789,
      "protocol": "dokodemo-door",
      "settings": {
        "address": "127.0.0.1"
      },
      "sniffing": {
      "enabled": true, 
      "destOverride": ["http", "tls"]
      },
      "tag": "api"
    }
  ],
  "outbounds": [
    {
    "protocol": "freedom",
    "settings": {"domainStrategy": "UseIP"}
    },
    {
      "protocol": "blackhole",
      "settings": {},
      "tag": "blocked"
    }
  ],
  "policy": {
    "system": {
      "statsInboundDownlink": true,
      "statsInboundUplink": true
    }
  },
  "routing": {
    "rules": [
      {
        "inboundTag": [
          "api"
        ],
        "outboundTag": "api",
        "type": "field"
      },
      {
        "ip": [
          "geoip:private"
        ],
        "outboundTag": "blocked",
        "type": "field"
      },
      {
        "outboundTag": "blocked",
        "protocol": [
          "bittorrent"
        ],
        "type": "field"
      }
    ]
  },
  "stats": {},
  "dns": {
    "servers": [
      "8.8.8.8",
      {
        "address": "x.x.x.x", 
        "port": 53,
        "domains": ["geosite:netflix","geosite:disney"]
      }
    ]
  }
}

出口分流配置

　设置不同的出站方式，然后通过路由串联tag或匹配规则的形式可以达到不同入站节点走不同出口、又或是分流不同域名流量，其中XUI面板生成的默认入站TAG格式为： inbound-端口号 ，对应入站列表内的每条节点；
　　 示例1 ：多个节点对应不同出口IP地址

{
  "api": {
    "services": [
      "HandlerService",
      "LoggerService",
      "StatsService"
    ],
    "tag": "api"
  },
  "inbounds": [
    {
      "listen": "127.0.0.1",
      "port": 62789,
      "protocol": "dokodemo-door",
      "settings": {
        "address": "127.0.0.1"
      },
      "tag": "api"
    }
  ],

  "outbounds": [
    {
      "tag": "ip1",
      "sendThrough": "1.1.1.1",
      "protocol": "freedom",
      "settings": {}
    },
    {
      "tag": "ip2",
      "sendThrough": "1.1.1.2",
      "protocol": "freedom",
      "settings": {}
    },
    {
      "tag": "ip3",
      "sendThrough": "1.1.1.3",
      "protocol": "freedom",
      "settings": {}
    },
    {
      "protocol": "freedom",
      "settings": {}
    },
    {
      "protocol": "blackhole",
      "settings": {},
      "tag": "blocked"
    }
  ],
  "policy": {
    "system": {
      "statsInboundDownlink": true,
      "statsInboundUplink": true
    }
  },

  "routing": {
    "rules": [
      {
        "inboundTag": [
          "inbound-12881"
        ],
        "outboundTag": "ip1",
        "type": "field"
      },
      {
        "inboundTag": [
          "inbound-12882"
        ],
        "outboundTag": "ip2",
        "type": "field"
      },
      {
        "inboundTag": [
          "inbound-12883"
        ],
        "outboundTag": "ip3",
        "type": "field"
      },
      {
        "inboundTag": [
          "api"
        ],
        "outboundTag": "api",
        "type": "field"
      },
      {
        "ip": [
          "geoip:private"
        ],
        "outboundTag": "blocked",
        "type": "field"
      },
      {
        "outboundTag": "blocked",
        "protocol": [
          "bittorrent"
        ],
        "type": "field"
      }
    ]
  },
  "stats": {}
}

说明：在XUI入站列表中添加3个节点，端口分别是12881、12882、12883，配置模板中的出站项添加3段对应服务器上已绑定的多个IP地址（1.1.1.1、1.1.1.2、1.1.1.3)、自定义TAG是ip1/ip2/ip3，路由项通过入站TAG串联至自定义的出站TAG即可；

　　 示例2 ：socks5代理做出口

{
  "api": {
    "services": [
      "HandlerService",
      "LoggerService",
      "StatsService"
    ],
    "tag": "api"
  },
  "inbounds": [
    {
      "listen": "127.0.0.1",
      "port": 62789,
      "protocol": "dokodemo-door",
      "settings": {
        "address": "127.0.0.1"
      },
      "tag": "api"
    }
  ],
  "outbounds": [
    {
      "tag": "sk-hk",   
      "protocol": "socks",
      "settings": {
        "servers": [
          {
            "address": "12.35.26.88",   
            "ota": false,
            "port": 1568,  
            "users": [
              {
                "user": "usertest", 
                "pass": "passwdtest"
              }
            ]
          }
        ]
      }
     },
    {
      "protocol": "freedom",
      "settings": {}
    },
    {
      "protocol": "blackhole",
      "settings": {},
      "tag": "blocked"
    }
  ],
  "policy": {
    "system": {
      "statsInboundDownlink": true,
      "statsInboundUplink": true
    }
  },
  "routing": {
    "rules": [
     {
        "inboundTag": [
          "inbound-12668"
        ],
        "outboundTag": "sk-hk",
        "type": "field"
      },
      {
        "inboundTag": [
          "api"
        ],
        "outboundTag": "api",
        "type": "field"
      },
      {
        "ip": [
          "geoip:private"
        ],
        "outboundTag": "blocked",
        "type": "field"
      },
      {
        "outboundTag": "blocked",
        "protocol": [
          "bittorrent"
        ],
        "type": "field"
      }
    ]
  },
  "stats": {}
}

　说明：出站项新增一段socks代理配置，address处填socks的IP地址、port填端口、user内分别填用户和密码、无用户密码则把“[”括号内留空，再通过路由指定12668入站节点走这个socks代理出站；

　　 示例3 ：自定义出口域名分流

{
  "api": {
    "services": [
      "HandlerService",
      "LoggerService",
      "StatsService"
    ],
    "tag": "api"
  },
  "inbounds": [
    {
      "listen": "127.0.0.1",
      "port": 62789,
      "protocol": "dokodemo-door",
      "settings": {
        "address": "127.0.0.1"
      },
      "sniffing": {
      "enabled": true, 
      "destOverride": ["http", "tls"]
      },
      "tag": "api"
    }
  ],
  "outbounds": [
    {
      "tag": "sk-hk",   
      "protocol": "socks",
      "settings": {
        "servers": [
          {
            "address": "12.35.26.88",   
            "ota": false,
            "port": 1568,  
            "users": [
              {
                "user": "usertest", 
                "pass": "passwdtest"
              }
            ]
          }
        ]
      }
     },
    {
      "protocol": "freedom",
      "settings": {}
    },
    {
      "protocol": "blackhole",
      "settings": {},
      "tag": "blocked"
    }
  ],
  "policy": {
    "system": {
      "statsInboundDownlink": true,
      "statsInboundUplink": true
    }
  },
  "routing": {
    "rules": [
     {
        "type": "field",
        "outboundTag": "sk-hk",
        "domain": ["geosite:netflix","openai.com"]
      },
      {
        "inboundTag": [
          "api"
        ],
        "outboundTag": "api",
        "type": "field"
      },
      {
        "ip": [
          "geoip:private"
        ],
        "outboundTag": "blocked",
        "type": "field"
      },
      {
        "outboundTag": "blocked",
        "protocol": [
          "bittorrent"
        ],
        "type": "field"
      }
    ]
  },
  "stats": {}
}

　说明：跟示例2一样的配置，但是在路由处则不是单独针对某个节点应用，而是匹配路由规则进行分流至socks代理出口，比如其中的Netflix GEO文件名和openai域名，当通过域名匹配时需在入站项开启流量嗅探功能，同时匹配规则需写全、以上仅为示例；比如openai网站使用的域名和接口有openai.com、cdn.auth0.com、azureedge.net等十几条域名规则。

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