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Log in authentication on Seafile is performed using Google Authenticator. The user will receive a code through Google Authenticator, a Token Generator app, and must be entered into Seafile within X.XX minutes.
Entering your Google Authenticator Code
After entering your login credentials (username and password) you will be asked for an Authentication token, you will see the following on screen:
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Enter the authentication token provided by Google Authenticator into the textbox to verify your login.