# Overview

* One line corresponds to one rule.

* Uses V2Ray style grammar. But what different from it is that here use `+` to append tags.

    Now supported flags:

    1.  `tag`:  Support Domain and _IP_ settings. If it be enabled, this rule will **JUST**  sets for DNS.

Example：

```
set+dns:geosite:microsoft
domain:cloudflare.com
```

## Domain

* When starts with `set:`, correspond to sing-box rule [rule-set](https://sing-box.sagernet.org/configuration/route/rule/#rule_set).

* When starts with `full:`, correspond to sing-box rule [domain](https://sing-box.sagernet.org/configuration/route/rule/#domain).

* When starts with `domain:`, correspond to sing-box rule [domain_suffix](https://sing-box.sagernet.org/configuration/route/rule/#domain_suffix).

* When starts with `regexp:`, correspnd to sing-box rule [domain_regexp](https://sing-box.sagernet.org/configuration/route/rule/#domain_regex).

* Others correspend to sing-box rule [domain_keyword](https://sing-box.sagernet.org/configuration/route/rule/#domain_keyword).

## IP

If value is `private`, [`ip_is_private`](https://sing-box.sagernet.org/configuration/route/rule/#ip_is_private) will be enabled.

Besides, all correspend to sing-box rule [`ip_cidr`](https://sing-box.sagernet.org/configuration/route/rule/#ip_cidr).

## Source IP

When value is `private`, enable [`source_ip_is_private`](https://sing-box.sagernet.org/configuration/route/rule/#source_ip_is_private)

Other case plus rule to [`source_ip_cidr`](https://sing-box.sagernet.org/configuration/route/rule/#source_ip_is_private)