Added throttling policy for unauthenticated users (#1531)

* added throttling policy for unauthenticated users

* updated changelog

Co-authored-by: Nikita Manovich <40690625+nmanovic@users.noreply.github.com>

CHANGELOG.md

@@ -6,7 +6,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [1.1.0-alpha] - Unreleased
 ### Added
--
+- Throttling policy for unauthenticated users (<https://github.com/opencv/cvat/pull/1531>)
 
 ### Changed
 -

cvat/settings/base.py

@@ -148,6 +148,12 @@ REST_FRAMEWORK = {
 
     # Disable default handling of the 'format' query parameter by REST framework
     'URL_FORMAT_OVERRIDE': 'scheme',
+    'DEFAULT_THROTTLE_CLASSES': [
+        'rest_framework.throttling.AnonRateThrottle',
+    ],
+    'DEFAULT_THROTTLE_RATES': {
+        'anon': '100/hour',
+    },
 }
 
 REST_AUTH_REGISTER_SERIALIZERS = {