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Explain why Rack::Attack returns 503 instead of 429 in README

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Zach Millman 2013-07-12 14:19:45 -07:00
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@ -186,6 +186,8 @@ For responses that did not exceed a throttle limit, Rack::Attack annotates the e
request.env['rack.attack.throttle_data'][name] # => { :count => n, :period => p, :limit => l }
```
Note that Rack::Attack uses 503 Service Unavailable by default instead of 429 Too Many Requests for throttling because it may make attacker think that they have successfully DOSed the site.
## Logging & Instrumentation
Rack::Attack uses the [ActiveSupport::Notifications](http://api.rubyonrails.org/classes/ActiveSupport/Notifications.html) API if available.