sing-box/docs/configuration/log.md

Structure

{
  "log": {
    "disabled": false,
    "level": "info",
    "output": "box.log",
    "timestamp": true
  }
}

Fields

disabled

Disable logging, no output after start.

level

Log level. One of: trace debug info warn error fatal panic.

output

Output file path. Will not write log to console after enable.

timestamp

Add time to each line.