Response Limits

Dito allows configuring maximum response body sizes globally and per location.

Global Limits

response_limits:
  max_response_body_size: 100000 # 100KB default limit

Per-Location Limits

locations:
  - path: "^/api/small"
    target_url: "https://api.example.com"
    max_response_body_size: 1024
    disable_response_buffering: false
  - path: "^/api/large"
    target_url: "https://api.example.com"
    max_response_body_size: 52428800
    disable_response_buffering: true

Features

• Automatic 413 status code when limits are exceeded
• JSON error responses with details
• Early detection using Content-Length
• Works with buffered and streaming responses
• Logging when limits are exceeded
• Limits can be updated via hot reload

Error Format

{
  "error": {
    "code": 413,
    "message": "Response body size exceeds limit",
    "details": {
      "limit_bytes": 90,
      "path": "/api/endpoint"
    }
  }
}

Buffering Control

• false (default): responses buffered in memory
• true: responses streamed directly to the client