2020-07-04 01:33:25 +02:00
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(Adapted from the [upstream project](https://github.com/matrix-org/synapse/blob/develop/docs/CAPTCHA_SETUP.md))
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# Overview
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Captcha can be enabled for this home server. This file explains how to do that.
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The captcha mechanism used is Google's ReCaptcha. This requires API keys from Google.
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## Getting keys
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Requires a site/secret key pair from:
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2020-07-04 02:10:00 +02:00
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<http://www.google.com/recaptcha/admin>
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2020-07-04 01:33:25 +02:00
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Must be a reCAPTCHA v2 key using the "I'm not a robot" Checkbox option
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## Setting ReCaptcha Keys
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Once registered as above, set the following values:
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matrix_synapse_recaptcha_public_key: 'YOUR_SITE_KEY'
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matrix_synapse_recaptcha_private_key: 'YOUR_SECRET_KEY'
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In addition, you MUST enable captchas via:
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matrix_synapse_enable_registration_captcha: true
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