sing-box/docs/configuration/dns/rule.md

Structure

{
  "dns": {
    "rules": [
      {
        "inbound": [
          "mixed-in"
        ],
        "network": "tcp",
        "user": [
          "usera",
          "userb"
        ],
        "protocol": [
          "tls",
          "http",
          "quic"
        ],
        "domain": [
          "test.com"
        ],
        "domain_suffix": [
          ".cn"
        ],
        "domain_keyword": [
          "test"
        ],
        "domain_regex": [
          "^stun\\..+"
        ],
        "geosite": [
          "cn"
        ],
        "source_geoip": [
          "private"
        ],
        "source_ip_cidr": [
          "10.0.0.0/24"
        ],
        "source_port": [
          12345
        ],
        "port": [
          80,
          443
        ],
        "outbound": [
          "direct"
        ],
        "server": "local"
      },
      {
        "type": "logical",
        "mode": "and",
        "rules": [],
        "server": "local"
      }
    ]
  }
}

!!! note ""

You can ignore the JSON Array [] tag when the content is only one item

Default Fields

!!! note ""

The default rule uses the following matching logic:  
(`domain` || `domain_suffix` || `domain_keyword` || `domain_regex` || `geosite`) &&  
(`source_geoip` || `source_ip_cidr`) &&  
`other fields`  

inbound

Tags of inbound.

network

tcp or udp.

user

Username, see each inbound for details.

protocol

Sniffed protocol, see Sniff for details.

domain

Match full domain.

domain_suffix

Match domain suffix.

domain_keyword

Match domain using keyword.

domain_regex

Match domain using regular expression.

geosite

Match geosite.

source_geoip

Match source geoip.

source_ip_cidr

Match source ip cidr.

source_port

Match source port.

port

Match port.

outbound

Match outbound.

server

Tag of the target dns server.

Logical Fields

type

logical

mode

and or or

rules

Included default rules.

server

==Required==

Tag of the target dns server.