sing-box/docs/configuration/rule-set/source-format.md

---

icon: material/new-box

!!! quote "Changes in sing-box 1.11.0"

:material-plus: version `3`

!!! quote "Changes in sing-box 1.10.0"

:material-plus: version `2`

!!! question "Since sing-box 1.8.0"

Structure

{
  "version": 3,
  "rules": []
}

Compile

Use sing-box rule-set compile [--output <file-name>.srs] <file-name>.json to compile source to binary rule-set.

Fields

version

==Required==

Version of rule-set.

• 1: sing-box 1.8.0: Initial rule-set version.
• 2: sing-box 1.10.0: Optimized memory usages of domain_suffix rules in binary rule-sets.
• 3: sing-box 1.11.0: Added network_type, network_is_expensive and network_is_constrainted rule items.

rules

==Required==

List of Headless Rule.