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Default captcha implements generation and verification of image. A default captcha image is the sequence of digits 0-9 with the defined length(5).

Configure in Casdoor

Create a new provider in Casdoor.

Select category as Captcha , type as Default .

Default provider

And you can click Preview botton to preview the style of this captcha.

Default preview

Applied in application

Edit the application you want to configure in Casdoor. Select the provider just added and click the button Save.

Default provider app