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28 lines
1.1 KiB
Markdown
28 lines
1.1 KiB
Markdown
# Email One-Time Password Authentication
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Validates credentials and password if exists in current session or generates
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ones for session time on empty password which is treated as one-time password
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request and sends it to an email. Matches only valid email from allowed domains
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using global `allowemailaddresses` and `denyemailaddresses` settings if set.
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Additional security can be set:
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Revoke threshold:
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login failures limit causing revoke of the generated password.
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Minimum request period:
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a time in seconds after which another password can be generated.
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Signup and user creation on first login takes place only in case of using email
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as username (not to be confused with the `authloginviaemail` global setting) if
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not prevented (global setting `authpreventaccountcreation`) and parts of email
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address may be mapped to profile fields using PCRE expressions.
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Auth instruction setting (global `auth_instructions`) is recommended depending
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on the adopted user account policy and plugin settings.
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See also: `fieldsmapping_help` setting form for [mapping usage example](lang/en/auth_emailotp.php).
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