Help:Two-factor authentication/gl: Difference between revisions

Revision as of 17:29, 25 February 2023

Latest revision as of 10:58, 23 May 2025

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Two-factor authentication on Wikimedia is currently experimental and optional (with some exceptions). Enrollment requires <code>(oathauth-enable)</code> access, currently in production testing with [[Special:MyLanguage/Administrators|administrators]] (and users with admin-like permissions like [[Special:MyLanguage/interface editors|interface editors]]), [[Special:MyLanguage/bureaucrats|bureaucrats]], [[Special:MyLanguage/Checkuser policy|checkusers]], [[Special:MyLanguage/Oversight policy|oversighters]], [[Special:MyLanguage/Stewards|stewards]], [[Special:MyLanguage/Global_permissions#Abuse_filter|edit filter managers]] and the [[Special:GlobalUsers/oathauth-tester|OATH-testers global group]].

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All [[Wikitech:|Wikitech]] LDAP accounts (also known as developer account) are also eligible. These accounts are not part of [[Special:MyLanguage/Help:Unified login|Single Unified Login]].

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=== Mandatory use user groups ===

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* <span lang="en" dir="ltr" class="mw-content-ltr">[[:Category:Global userUser groups that require two-factor authentication|Groups requiring two-factor authentication]]</span>

* <span lang="en" dir="ltr" class="mw-content-ltr">May 2025 announcement: [[Special:MyLanguage/Mandatory two-factor authentication for users with some extended rights|Mandatory two-factor authentication for users with some extended rights]]</span>

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* [[:Category:Global user groups that require two-factor authentication|Groups requiring two-factor authentication]]

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* <span lang="en" dir="ltr" class="mw-content-ltr">Have <code>(oathauth-enable)</code> access (by default, available to administrators, bureaucrats, suppressors, check users and other privileged user groups)</span>

* <span lang="en" dir="ltr" class="mw-content-ltr">Have or install a [[:w:en:Time-based One-time Password Algorithm|Time-based One-time Password Algorithm]] (TOTP) client. For most users, this will be a phone or tablet application. CommonlyAny recommendedcompliant appsapplication may be used, some popular ones include:</span>

** <span lang="en" dir="ltr" class="mw-content-ltr">Open-source: [https://github.com/beemdevelopment/Aegis Aegis] (Android, F-Droid), [https://freeotp.github.io/ FreeOTP] (Android, F-Droid, iOS), [https://github.com/andOTPtwofas 2FAS] ([https:/andOTP#andotp---/github.com/twofas/2fas-android Android], [https://github.com/twofas/2fas-otp-ios iOS]), [https://bitwarden.com/products/authenticator/ andOTPBitwarden Authenticator] ([https://github.com/bitwarden/authenticator-android Android], [https://github.com/bitwarden/authenticator-ios iOS]), [https://mattrubin.me/authenticator/ Authenticator] (iOS), [https://authenticator.cc/ Authenticator.cc] (Chrome, Firefox & Edge), [https://passman.cc/ Passman] (NextCloud), [https://keepassxc.org/ KeePassXC] (Linux, macOS, Windows)</span>

** <span lang="en" dir="ltr" class="mw-content-ltr">Closed-source: [https://authy.com/download/ Authy] (Android, iOS, macOS, Windows), [[:w:en:Google Authenticator|Google Authenticator]] ([https://play.google.com/store/apps/details?id=com.google.android.apps.authenticator2&hl=en_GB Android] [https://itunes.apple.com/gb/app/google-authenticator/id388497605?mt=8 iOS]) and authenticator apps from most other large tech firms</span>

** <span lang="en" dir="ltr" class="mw-content-ltr">[[:w:en:Special:PermaLink/884895095#Authenticated_implementationsComparison of OTP applications|otherGeneral clientscomparison comparedof atmany Englishcommon WikipediaOTP applications]] which could be used as TOTP client for 2FA (English Wikipedia)</span>

** <span lang="en" dir="ltr" class="mw-content-ltr">You can also use a desktop client such as the [https://www.nongnu.org/oath-toolkit/ OATH Toolkit] (Linux, macOS via Homebrew), or [https://github.com/winauth/winauth WinAuth] (Windows). Keep in mind that if you log in from the computer used to generate TOTP codes, this approach does not protect your account if an attacker gains access to your computer.</span>

** <span lang="en" dir="ltr" class="mw-content-ltr">Password managers such as 1Password,[https://bitwarden.com/ LastPassBitwarden], and[https://keepass.info/ KeePass] and [https://proton.me/pass Proton Pass] also tend to support/have plugins to support TOTP. This bears the same limitations as the above, but may be worth looking into if you already use one for other things.</span> [[{{lm|OATHAuth enable link|png}}|thumb|<span lang="en" dir="ltr" class="mw-content-ltr">Overview of preferences section to enable two-factor authentication.</span>]]

* <span lang="en" dir="ltr" class="mw-content-ltr">Go to [[Special:OATH]] '''on the project you hold one of the above rights on''' (this link is also available from your [[Special:Preferences#mw-prefsection-personal|preferences]]). ''(For most users, this will not be here on the meta-wiki.)''</span>

* <span lang="en" dir="ltr" class="mw-content-ltr">[[Special:OATH]] presents you with a [[{{lwp|QR code}}|QR code]] containing the '''Two-factor account name''' and '''Two-factor secret key.''' This is needed to pair your client with the server.</span>

* <span lang="en" dir="ltr" class="mw-content-ltr">Scan the QR code with, or enter the two-factor account name and key into, your TOTP client.</span>

* <span lang="en" dir="ltr" class="mw-content-ltr">Enter the authentication code from your TOTP client into the OATH screen to complete the enrollment.</span>

{{Caution|1=<span lang="en" dir="ltr" class="mw-content-ltr">WARNING: You will also be presented with a series of 10 one-time scratch[[#Recovery codes|recovery codes]]. '''You should print and safely store a copy of this page'''. If you lose or have a problem with your TOTP client, you will be locked out of your account unless you have access to these codes.</span>}}

{{clear}}

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== Logging in ==

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[[{{lm|TOTP login|png}}|thumb|<span lang="en" dir="ltr" class="mw-content-ltr">Login screen</span>]]

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* Provide your username and password, and submit as before.

* Enter in a one-time six digit authentication code as provided by the TOTP client. Note: This code changes about every thirty seconds. If your code keeps getting rejected, check that the time on your device where your auth app is installed is correct.

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{{clear}}

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== Disabling two-factor authentication ==

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* <span lang="en" dir="ltr" class="mw-content-ltr">Go to [[Special:OATH]] or [[Special:Preferences#mw-prefsection-personal|preferences]]. If you are no longer in groups that are permitted to enroll, you can still disable via [[Special:OATH]].</span>

* <span lang="en" dir="ltr" class="mw-content-ltr">On the <u>disable two-factor authentication</u> page, use your authentication device to generate a code to complete the process.</span>

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== ScratchRecovery codes ==

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[[{{lm|Enroll-Step3|png}}|thumb|<span lang="en" dir="ltr" class="mw-content-ltr">OATH example scratchrecovery codes</span>]]

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Cando matricules en dobre factor de autentificación, terás unha lista con cinco esfoladuras de códigos temporais. '''Fai o favor de imprimir esos códigos e gardalos en lugar seguro, cando no caso os necesites usar perdes o acceso ao dispositivo 2FA'''. Ven sendo importante anotar cada un deses códigos coma '''uso único'''; pode que nunca sexa utilizado e expire. Despois de usalo, tachalo cun boli ou outra marca como código expirado. Xera un novo xogo de códigos, necesitarás desactivar e rehabilitar dobre factor de autentificación.

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This may require '''two''' scratchrecovery codes: one to log in, and another to disable. Should you ever need to use any of your scratchrecovery codes, it is advisable to disable and re-enable to generate a fresh set of codes as soon as possible.

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You will need access to the scratchrecovery codes that you were provided when enrolling in order to un-enroll from two-factor authentication. It will require you to use up to '''two''' scratchrecovery codes to accomplish this:

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* You need to be logged in. If you are not already logged in, this will require use of a scratchrecovery code.

* Visit [[Special:OATH]] and use a different scratchrecovery code to disable two-factor authentication.

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If you don't have enough scratchrecovery codes, you may contact [[Special:MyLanguage/Trust and Safety|Trust and Safety]] at ca{{@}}wikimedia.org to request removal of 2FA from your account (please send an email using your registered email address of your wiki account). You should also create a task on [[phab:|Phabricator]] if you still have access to it. Please note, 2FA removal by staff is not always granted.

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See [[wikitech:Password and 2FA reset#For users]] for instructions on requesting 2FA removal for your [[mw:Special:MyLanguage/Developer account|Developer account]].

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Please note, most of the directions on this page are specific to the TOTP method. The [[{{lwp|WebAuthn}}|WebAuthn]] method is more experimental and currently has no recovery options (c.fcf. [[phab:T244348|related developer task]]). WebAuthn has a known issue that you must make future logons on the same project that you initiate it from ([[phab:T244088|tracking task]]). WebAuthn is not currently available for use via mobile apps ([[phab:T230043|T230043]]).

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</div><span lang="en" dir="ltr" class="mw-content-ltr">WebAuthn has a known issue that you must make future logons on the same project that you initiate it from. ([[phab:T244088|tracking task]]).</span>

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== See also ==

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* The [[:w:en:Multi-factor authentication|Englishconcept Wikipediaof articlemulti-factor authentication]] in the English Wikipedia and a [[d:Q7878662|Wikidata item]] about the concept of multi-factor authenticationit

* [https://phabricator.wikimedia.org/tag/mediawiki-extensions-oathauth Known bugs and requested improvements] of Wikimedia's two-factor authentication are collaborated on and tracked in Phabricator.

* [[mw:Special:MyLanguage/Extension:OATHAuth|OATHAuth]] is the MediaWiki extension used for this functionality

* [[mw:Wikimedia Security Team/Two-factor Authentication for CentralAuth wikis|Wikimedia Security Team/Two-factor Authentication for CentralAuth wikis]]

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{{user groups}}

[[Category:MediaWiki extensions{{#translation:}}|Email confirmation]]

[[Category:Security]]

[[Category:MediaWiki extensionsSecurity{{#translation:}}|Email confirmation]]

[[Category:Handbook Wikimedia-specific]]