June 2018
Beginner to intermediate
394 pages
9h 2m
English
By default, Firebase sets the rules for users to authenticate before writing or reading operations. We can go to our project in Firebase console and choose the Database option in the left-hand options panel and go to the Rules tab in the Main panel. The default rules are as follows:
{ "rules": { ".read": "auth != null", ".write": "auth != null" }}
The following screenshot shows the default security configurations for any Realtime Database project:

Firebase offers a unique way to examine rules in the simulator. In the right-hand corner of the Firebase console's Main window, you will notice a blue button labelled as
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