Knowledge (XXG)

:CheckUser - Knowledge (XXG)

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statement could not lead to another person divining the personal identity of the user accounts in question, such disclosure would be permissible. However, on the English Knowledge (XXG), checkusers are discouraged from making a public statement that connects one or more IP addresses to one or more named accounts, since an IP address is often much more tightly linked to a specific person. (In the case of larger IP ranges, this discouragement is not as great because larger ranges mean a less specific connection can be drawn.) When announcing the results of their checks, checkusers will employ a variety of means to avoid connecting a user to an IP address, but in some cases it is hard to avoid doing so. This policy encourages English Knowledge (XXG) checkusers not to allow such connections to be made from their results, but the global privacy policy allows them to do so in the case of serious disruption, and this policy allows checkusers to prioritise compliance with Knowledge (XXG) policy over the personal privacy of a user who has abusively edited the encyclopedia.
566:, checkusers are authorized to receive contact by other means, like on their user talk pages, by email, on IRC or a mailing list, and so on. If an incident is of a private or sensitive nature, you should never use public means of contact. If an incident is of an urgent nature, you should contact a checkuser you know to be online, or contact multiple active CheckUsers. If an incident is an emergency, you should contact the Wikimedia Foundation. If you require an editor with checkuser access, you may contact: 518:"Fishing" is to check an account where there is no credible evidence to suspect sockpuppetry. Checks are inappropriate unless there is evidence suggesting abusive sockpuppetry. For example, it is not fishing to check an account where the alleged sockmaster is unknown, but there is reasonable suspicion of sockpuppetry, and a suspected sockpuppet's operator is sometimes unknown until a CheckUser investigation is concluded. Checks with a negative result do not mean the check was initially invalid. 609:, which co-ordinates between checkusers on all WMF projects (and stewards, for small wikis with no local checkusers) in the checkuser-l mailing list. The inter-project team is ideal for matters concerning prolific vandals or sock users, privacy-related incidents or harassment, and other global matters of interest beyond English Knowledge (XXG). The Wikimedia-wide checkuser mailing list does not receive mail from non-subscribers, so you will need to contact a checkuser by other means (like IRC). 715:
check users will learn to recognise if an ISP changes frequently or occasionally. Proxy IP addresses might not be a match, depending on the size of the organisation running the proxy (per whois output). If it's an ISP proxy, it is not so likely to indicate a match. (Note – some users, particularly those involved in technical matters, can help identify whether an IP is likely to be a proxy, or is likely to be static, fast, or slow changing.)
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difficult to block the accounts and then the IP addresses without an obvious inference being drawn by onlookers from the series of blocks being made in a short period of time. When a user abusively uses several accounts and it is reasonably plausible they will create more accounts, the underlying IP range must be blocked so further abusive accounts cannot be made. The IP addresses and user accounts must therefore be blocked together.
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The CheckUser feature facilitates access to non-public information. The Wikimedia Foundation takes the privacy of its users extremely seriously, and there may at times be tension between protecting Knowledge (XXG) from damage and disruption, and protecting the privacy of users (even disruptive ones).
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Most dialup and many DSL and cable IP addresses are dynamic, meaning they might change every session, every day, every week, every few months, or hardly ever. Unless the access times are immediately before and after each other, be cautious in declaring a match based on IP address alone. Experienced
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Unsubstantiated requests will be declined and a check will not be run (typically using the slogan "CheckUser is not for fishing"). On their own cognisance, checkusers may nonetheless privately make any check that falls within the bounds of CheckUser policy; this might include a check that they have
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Checkusers often receive requests from non-checkusers that they check an account (though many checks are also initiated by the checkuser without direction, for instance because the checkuser has noticed a suspicious account). Where a check is initiated as a result of a request from a non-checkuser,
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and the additional restrictions placed by this policy. After completing an investigation with the CheckUser tool, most checkusers release their findings in generalised form (such as with a statement that "account A is, is not, or may be the same as accounts B or C"); on the English Knowledge (XXG),
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Generally, don't reveal IP addresses when announcing their results. Only give generalized results, such as that one account uses the same network (or a different network) to another account. If detailed information is provided, make sure the person you are giving it to is a trusted person who will
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On the English Knowledge (XXG), checkusers asked to run a check must have clear evidence that a check is appropriate and necessary. The onus is on an individual checkuser to explain, if challenged, why a check was run. The CheckUser log is regularly examined by arbitrators. All actions associated
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Users who engage in problematic conduct to the point that requests for administrative action or blocking are raised and considered valid for CheckUser usage—and where a checkuser then determines the user probably has engaged in such conduct—must expect the protection of the project to be given a
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Checkusers may state that different named accounts are operated from the same IP or range, so long as the actual IP address(es) are not specified, or if only non-specific details are given (such as the name of the country, region, or large ISP associated with the IP address). If the checkuser's
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In some situations, while checkusers can endeavour to avoid explicitly connecting an account to an IP address, they will find it difficult or impossible not to do so. For instance, when a user edits disruptively using multiple IPs, or a mixture of IPs and accounts, the checkuser will find it
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Where the user has been vandalising articles or persistently behaving in a disruptive way, data may be released to non-checkusers to allow the making of IP blocks or rangeblocks, or to assist in the formulation of a complaint to relevant Internet Service Providers or network operators;
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In case of abusive use of the tool, the Steward or the editor with the CheckUser privilege will immediately have their access removed. This will in particular happen if checks are done routinely on editors without a serious motive to do so (links and proofs of bad behavior should be
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Checkusers are given discretion to check an account, but must always do so for legitimate purposes. Broadly, checks must be made only in order to prevent or reduce potential or actual disruption, or to investigate credible, legitimate concerns of bad faith
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before being appointed. The use of the CheckUser tool on the English Knowledge (XXG) is monitored and controlled by the Arbitration Committee, and checkusers may have their permissions revoked by the Arbitration Committee for misuse or abuse of the tool.
912:. While many users with checkuser permissions are or were members of the Arbitration Committee, the Arbitration Committee also appoints a number of editors as checkusers, typically around once a year. Users interested in obtaining access should add the 711:. Almost all queries about IPs will be because two editors were behaving the same way or an editor was behaving in a way that suggests disruption. An editing pattern match is the important thing; the IP match is really just extra evidence (or not). 301:
On some Wikimedia projects, an editor's IP addresses may be checked upon their request, typically to prove innocence against a sockpuppet allegation. Such checks are not allowed on the English Knowledge (XXG) and such requests will not be granted.
204:. While there is no formal requirement that checkusers also be administrators, the Arbitration Committee has traditionally restricted applications to users who are currently administrators. Checkusers must be 18 years of age or older and have 748:
above. Checkusers also have access to a private wiki where they can share data with other members of the global checkuser team. It can also be used to store historical CheckUser data, typically in cases of long-term or complex sockpuppetry.
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Information about users (like their IP address) is retained for a limited period on Wikimedia Foundation sites. Data retention is limited in this way because incidents or actions that are not current rarely require investigation.
740:), providing means to consult and get advice on checks and their interpretation, especially in the case of more complex vandalism. Both are used by checkusers on all Wikimedia Foundation projects; they are not just for the 185:
the release of actual private data (like "account D is connecting through IP address 0.1.2.3") is exceptionally rare. Conclusions derived from CheckUser data have limited usefulness, and a negative finding by a checkuser
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or for cause. If the Committee feels that an editor has abused CheckUser, such as by inappropriately performing checks or needlessly disclosing privacy related information from a CheckUser inquiry, they will request a
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may be used for this purpose. However, in the case of such blocks, checkusers are not required to explain to non-checkusers the specific evidence at play (and are prohibited from doing so by the privacy policy).
488:, or both. Checkusers who run checks based on an unsubstantiated accusation may be cautioned or subject to sanctions, up to and including the revocation of their permissions; for a previous example of this, see 168:
an IP address or range (which includes edits by accounts while on the IP address or range), or a list of all user accounts that have used an IP address or range. They may also view a log of CheckUser actions at
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Checkusers must perpetually weigh these opposing concerns. In order to reach the optimal result, checkusers on the English Knowledge (XXG) are required to adhere to the following conventions and practices:
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not reveal it. Typically, such information should not be given to people who are not functionaries or experienced administrators; it would be best to deal with the abusive accounts with other checkusers.
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where the alternative accounts are not being used to violate site policy (such as by double voting or by giving the impression there is more support for a position in a discussion or content dispute).
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Checkusers are permitted, but not required, to inform an editor that their account has been checked. The result of a check may be disclosed to the community (on a community process page like
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Checkusers can block accounts based on technical (checkuser) evidence. They will make clear in the block log summary that they have blocked as a "checkuser action", usually by including the
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Checkusers who are executing a CheckUser query should remember that anonymity tools can spoof headers, including the useragent, which may make it appear that a good-faith editor with
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These conventions arise out of practice that has emerged in the years since the checkuser tool was created, and in some cases out of rulings or "statements of best practice" by the
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that request may be received in public or in private. Requests received privately may be directed by the checkuser to be made publicly if the checkuser so desires, and vice versa.
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special pages, along with other similar functions. On the English Knowledge (XXG), checkusers also receive access to the checkuser-l global mailing list, are subscribed to the
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with the CheckUser tool, especially public or off-wiki actions, are subject to public view and can result in a complaint being filed with the Arbitration Committee, the
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The CheckUser tool may be used only to prevent disruptive editing on the English Knowledge (XXG) or to investigate legitimate, credible concerns of bad-faith editing or
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Checkusers are seasoned, experienced users, who are thoroughly vetted and highly trusted to handle sensitive and private matters, as well as other user issues. Routine
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CheckUser queries cannot be executed on the English Knowledge (XXG) without the initiator entering something into the "Reason for check" field, which is akin to the
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Suspicion of abuses of CheckUser should be discussed by each local wiki. On wikis with an approved ArbCom, the ArbCom can decide on the removal of access
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to their watchlists for an announcement or should contact the Committee. Appointments that are confirmed by the Arbitration Committee will be posted on
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Complaints involving the release of personally identifying information or other potential violations of the WMF's Privacy Policy should be made to the
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If the user has said they're from a certain region and their IP address confirms that, you are permitted to declare that CheckUser verifies they are.
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CheckUser is a technical tool, and requires a significant degree of familiarity with IPs, IP ranges, and related principles, to be correctly used.
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advises that even if the user is committing abuse, personal information should if possible not be revealed. Checkusers are advised as follows:
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Where it could reasonably be thought necessary to protect the rights, property or safety of the Wikimedia Foundation, its users or the public.
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Checkusers are able to view a list of all IP addresses used by a user account to edit the English Knowledge (XXG), a list of all edits made
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on Meta. Emergency requests based upon clear evidence may also be made in exceptional circumstances, the same way. In an exceptional case,
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Checkusers must be able to provide a valid reason to another checkuser (or the Arbitration Committee) for all checks they conduct.
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No guarantee is given that any of these scripts are currently functional, under active development, or actively being maintained.
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used by a Knowledge (XXG) user account, as well as other technical data stored by the server about a user account or IP address.
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who will either advise, deal with the matter, or (especially if asked) forward it on to other checkusers for wider discussion.
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There are currently 50 users with the CheckUser permission on the English Knowledge (XXG). A complete listing is available at
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Complaints of infringement of CheckUser, Access to Nonpublic Information Policy or Privacy Policy breaches are handled by the
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Checkusers should clearly mark as a "checkuser block" any block based on findings that involve checkuser data. The templates
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Any user account with CheckUser status that is inactive for more than one year will have their CheckUser access removed.
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to remove the permission from the editor. This may be done by any of the usual ways, including e-mail or a request on
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The primary purpose of CheckUser is the prevention of sockpuppetry, but community policy provides for several
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who can execute CheckUser inquiries at their own discretion. The permission is granted by Knowledge (XXG)'s
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Knowledge (XXG)'s checkuser team uses the tool to establish whether two or more accounts are being operated
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on Meta-Wiki; a steward will assign the permission once the user has completed and signed the necessary
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members have global CheckUser access in order to investigate allegations related to the breach of WMF
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Other complaints or inquiries about potential misuse of the checkuser tool should be referred to the
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template to indicate you have the checkuser user right – adds a category to page automatically
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The Wikimedia Foundation policy on revocation of CheckUser access states in part that:
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signed the Wikimedia Foundation's confidentiality agreement for nonpublic information
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The disclosure of actual CheckUser data (such as IP addresses) is subject to the
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higher priority than the protection of those who knowingly breach its policies.
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mailing list, and receive access to the private IRC channels at their request.
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It documents various processes by which the English Knowledge (XXG) operates.
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CheckUser data is never accessed or released except in accordance with the
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Several scripts exist for English Knowledge (XXG) checkusers, including
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A user with CheckUser access will get an extra "CheckUser" option under
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Knowledge (XXG):Arbitration Committee/CheckUser and Oversight elections
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tool is used by a small group of trusted Knowledge (XXG) users (called
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display, nor allow for the retention of, data returned from a check.
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CheckUser data may be used to investigate, prevent, or respond to:
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Disruption (or potential disruption) of any Wikimedia project; and
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Logo for the Knowledge (XXG) CheckUser tool and the checkuser team
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On the English Knowledge (XXG), CheckUser access is entrusted to
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for requesting checks that take place in more than one project.
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Knowledge (XXG):Arbitration Committee/CheckUser and Oversight
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Knowledge (XXG):Arbitration Committee/CheckUser and Oversight
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and editing issues requiring checkuser review are handled at
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Threaten another editor into compliance in a content dispute.
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If you're in any doubt, give no detail – and "answer like a
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For the encyclopedic article about the CheckUser tool, see
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Checkuser permissions can be revoked for not meeting the
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A screenshot of the CheckUser form with the Vector skin.
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template to indicate you have the checkuser user right
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on checkuser blocks and why they should not be lifted.
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This local policy supplements—but cannot override—the
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feature for page-editing. All queries are logged at
27:"WP:CHECK" redirects here. For the WikiProject, see 2319: 2275: 2185: 1946: 1879: 1737: 1679: 1624: 1581: 1395:– shows CheckUser assignments and removals. Enter 1260:Held prior to appointment to Arbitration Committee 824:Knowledge (XXG):Blocking policy § CheckUser blocks 216:and applies only to the English Knowledge (XXG). 29:Knowledge (XXG):WikiProject Check Knowledge (XXG) 960: 922:non-public information confidentiality document 886:, which is visible to other checkusers through 391:(now disbanded) and the Arbitration Committee. 1554: 62:. Otherwise, to open an investigation, go to 8: 1460:– Global oversight of the tool for all wikis 700:gives checkusers the following information: 258:Legitimate concerns about bad-faith editing. 1335:statement on checkuser blocks, 18 July 2010 752:Checkusers also have access to the channel 745: 59: 56:contact a checkuser about sensitive matters 1719:On privacy, confidentiality and discretion 1561: 1547: 1539: 908:Checkuser permissions are assigned by the 771:is actually a sock of a disruptive editor. 581:The English Knowledge (XXG) checkuser team 560:Knowledge (XXG):Sockpuppet investigations 550:Knowledge (XXG):Sockpuppet investigations 372:With the permission of the affected user; 312:Knowledge (XXG):Sockpuppet investigations 64:Knowledge (XXG):Sockpuppet investigations 718:There is both a checkuser mailing list ( 129: 1427:RfC: Community expectation of Checkuser 1298: 1256: 1254: 1252: 1250: 1248: 1246: 1244: 1240: 278:legitimate uses of alternative accounts 954:m:CheckUser policy § Removal of access 486:Wikimedia Foundation Ombuds Commission 360:elsewhere or earlier declined to make. 1659:Usernames for administrator attention 306:Notifying the account that is checked 7: 575:A list of recently active checkusers 194:a restricted number of trusted users 155:by one individual or group of people 41:Procedural policy of Knowledge (XXG) 2444:Knowledge (XXG) procedural policies 668:User:GeneralNotability/spihelper.js 2459:Knowledge (XXG) user access levels 1784:UTRS Unblock Ticket Request System 1442:Knowledge (XXG):User access levels 1437:Knowledge (XXG):IP block exemption 601:Arbitration Committee mailing list 266:Exert political or social control; 25: 95:global community CheckUser policy 1526: 1359: 995:Users with checkuser permissions 722: 591: 318:CheckUser and the privacy policy 75: 47: 2346:Editorial oversight and control 1350:This page is referenced in the 664:MediaWiki:Gadget-markblocked.js 269:Apply pressure on an editor; or 262:The tool may never be used to: 2449:Knowledge (XXG) glossary items 1687:Password strength requirements 1432:Knowledge (XXG):Identification 1284:The list above is served from 1: 2454:Knowledge (XXG) functionaries 1227:Some Foundation staff members 546:Knowledge (XXG):Functionaries 1417:m:Steward requests/Checkuser 707:CheckUser is not magic wiki 656:User:Amalthea/culoghelper.js 607:The interwiki checkuser team 439:Guidance given to checkusers 212:This policy supplements the 1697:Personal security practices 1611:IP addresses are not people 1001:Special:Listusers/checkuser 976:for all Wikimedia projects. 492:by the Audit Subcommittee. 2475: 951: 901: 821: 677: 543: 525: 499: 442: 398: 339: 321: 282: 223: 100: 33: 26: 1779:Guide to appealing blocks 1702:Two-factor authentication 1387:m:Requests for permission 898:Assignment and revocation 776:Reasons and communication 723: 592: 395:IP information disclosure 2439:Knowledge (XXG) policies 2134:Pending changes reviewer 1961:Requests for permissions 1738:Blocks, bans, sanctions, 1485:User wikipedia/Checkuser 1353:Knowledge (XXG) Glossary 918:Requests for permissions 746:§ Contacting a checkuser 698:Meta checkuser help page 430:IP information retention 2393:Policies and guidelines 2245:Interface administrator 2175:Volunteer Response Team 1583:Unregistered (IP) users 938:requests for permission 742:English Knowledge (XXG) 571:An individual checkuser 490:this 2009 investigation 214:global checkuser policy 1902:Vandalism-only account 1892:Single-purpose account 1591:Why create an account? 1286:Template:Functionaries 978: 929:minimum activity level 875: 843:checkuserblock-account 808:checkuserblock-account 660:User:Amalthea/cufilter 623: 522:Contacting a checkuser 189:obvious sockpuppetry. 135: 83:This page documents a 60:Contacting a checkuser 2286:Arbitration Committee 1791:Blocking IP addresses 1692:User account security 1332:Arbitration Committee 989:Arbitration Committee 948:Complaints and misuse 910:Arbitration Committee 874:Example CheckUser log 873: 850:Arbitration Committee 637:Special:Contributions 621: 198:Arbitration Committee 133: 2356:Wikimedia Foundation 2186:Advanced user groups 2170:Global rights policy 1729:How to not get outed 1724:Compromised accounts 1666:Unified login or SUL 1535:at Wikimedia Commons 1473:User checkuser since 1464:CheckUser (thoughts) 1401:in the "Target" box. 1398:User:USERNAME@enwiki 1010:community checkusers 884:Special:CheckUserLog 737:#wikimedia-checkuser 645:Special:CheckUserLog 639:, and access to the 633:Special:SpecialPages 238:Grounds for checking 178:Wikimedia Foundation 171:Special:CheckUserLog 2341:Formal organization 2291:Bot approvals group 2233:Edit filter manager 2098:Mass message sender 1880:Related to accounts 1533:MediaWiki CheckUser 1458:m:Ombuds commission 1102:Current arbitrators 798:checkuserblock-wide 730:), and a checkuser 728:lists.wikimedia.org 674:Guide to checkusers 614:CheckUser operation 87:of Knowledge (XXG). 18:Knowledge (XXG):CHK 2413:Dispute resolution 2062:Extended confirmed 2038:Edit filter helper 1966:Admin instructions 1953:global user groups 1924:Courtesy vanishing 1840:Contentious topics 1830:Personal sanctions 1714:Committed identity 1601:Request an account 1375:m:CheckUser policy 1158:Former arbitrators 942:and for good cause 914:ArbCom noticeboard 876: 755:#wikimedia-privacy 624: 603:or any arbitrator. 562:. In keeping with 462:m:CheckUser policy 389:Audit Subcommittee 226:m:CheckUser policy 136: 2426: 2425: 2110:New page reviewer 2050:Event coordinator 1835:General sanctions 1774:Appealing a block 1671:Alternate account 1654:Changing username 1606:IPs are human too 1596:Create an account 1531:Media related to 1501:Checkuser topicon 1393:m:User rights log 1289: 1270:Ombuds commission 1046:Materialscientist 982:Ombuds commission 974:Ombuds commission 888:Special:CheckUser 641:Special:CheckUser 564:WP:NOTBUREAUCRACY 128: 127: 85:procedural policy 70: 69: 16:(Redirected from 2466: 1990:(Auto) confirmed 1856:Indef ≠ infinite 1680:Account security 1625:Registered users 1569:Knowledge (XXG) 1563: 1556: 1549: 1540: 1530: 1505: 1499: 1489: 1483: 1477: 1471: 1447:m:Privacy policy 1399: 1381:CheckUser access 1363: 1355: 1337: 1329: 1323: 1312: 1306: 1303: 1283: 1277: 1267: 1261: 1258: 1235: 1233:Wikimedia Ombuds 1229: 1054:NinjaRobotPirate 861: 855: 847: 841: 837: 831: 818:CheckUser blocks 812: 806: 802: 796: 792: 786: 757: 739: 729: 727: 726: 725: 690: 670:, among others. 598: 596: 595: 594: 538: 512: 455: 411: 342:m:Privacy policy 334: 295: 202:functionary team 187:rarely precludes 120: 113: 79: 78: 72: 51: 50: 44: 21: 2474: 2473: 2469: 2468: 2467: 2465: 2464: 2463: 2429: 2428: 2427: 2422: 2351:Quality control 2315: 2271: 2181: 2158:Template editor 2086:IP block exempt 2014:AutoWikiBrowser 1978:Account creator 1942: 1897:Sleeper account 1875: 1861:Long-term abuse 1747:Blocking policy 1733: 1675: 1649:Username policy 1642:Reset passwords 1620: 1577: 1567: 1503: 1497: 1487: 1481: 1475: 1469: 1397: 1366: 1365: 1364: 1357: 1351: 1346: 1341: 1340: 1330: 1326: 1313: 1309: 1304: 1300: 1295: 1281: 1280: 1268: 1264: 1259: 1242: 1231: 1225: 1218:Salvio giuliano 1210:RickinBaltimore 997: 956: 950: 906: 900: 868: 859: 853: 845: 839: 835: 829: 826: 820: 810: 804: 800: 794: 790: 784: 778: 753: 735: 721: 719: 694: 693: 686: 682: 676: 649:functionaries-l 629: 616: 590: 589:checkuser-en-wp 588: 552: 542: 541: 534: 530: 524: 516: 515: 508: 504: 498: 459: 458: 451: 447: 441: 432: 415: 414: 409:WP:CUIPDISCLOSE 407: 403: 397: 344: 338: 337: 330: 326: 320: 308: 299: 298: 291: 287: 240: 228: 222: 124: 123: 116: 109: 105: 92: 76: 48: 42: 39: 32: 23: 22: 15: 12: 11: 5: 2472: 2470: 2462: 2461: 2456: 2451: 2446: 2441: 2431: 2430: 2424: 2423: 2421: 2420: 2415: 2410: 2405: 2400: 2395: 2390: 2385: 2380: 2379: 2378: 2373: 2368: 2366:Founder's seat 2363: 2353: 2348: 2343: 2338: 2337: 2336: 2329:Administration 2325: 2323: 2317: 2316: 2314: 2313: 2312: 2311: 2306: 2298: 2293: 2288: 2282: 2280: 2273: 2272: 2270: 2269: 2264: 2259: 2254: 2253: 2252: 2242: 2241: 2240: 2230: 2229: 2228: 2214: 2213: 2212: 2202: 2201: 2200: 2189: 2187: 2183: 2182: 2180: 2179: 2178: 2177: 2167: 2166: 2165: 2155: 2154: 2153: 2143: 2142: 2141: 2131: 2130: 2129: 2119: 2118: 2117: 2107: 2106: 2105: 2095: 2094: 2093: 2083: 2082: 2081: 2071: 2070: 2069: 2059: 2058: 2057: 2047: 2046: 2045: 2035: 2034: 2033: 2023: 2022: 2021: 2011: 2010: 2009: 1999: 1998: 1997: 1987: 1986: 1985: 1975: 1974: 1973: 1968: 1957: 1955: 1950: 1944: 1943: 1941: 1940: 1939: 1938: 1928: 1927: 1926: 1916: 1915: 1914: 1904: 1899: 1894: 1889: 1883: 1881: 1877: 1876: 1874: 1873: 1871:Global actions 1868: 1866:Standard offer 1863: 1858: 1853: 1852: 1851: 1846: 1837: 1832: 1822: 1821: 1820: 1818:ArbCom appeals 1813:Banning policy 1810: 1809: 1808: 1803: 1798: 1788: 1787: 1786: 1781: 1771: 1770: 1769: 1764: 1759: 1754: 1743: 1741: 1740:global actions 1739: 1735: 1734: 1732: 1731: 1726: 1721: 1716: 1711: 1710: 1709: 1699: 1694: 1689: 1683: 1681: 1677: 1676: 1674: 1673: 1668: 1663: 1662: 1661: 1656: 1646: 1645: 1644: 1634: 1628: 1626: 1622: 1621: 1619: 1618: 1613: 1608: 1603: 1598: 1593: 1587: 1585: 1579: 1578: 1568: 1566: 1565: 1558: 1551: 1543: 1537: 1536: 1524: 1517: 1516: 1512: 1511: 1495: 1479: 1467: 1461: 1455: 1449: 1444: 1439: 1434: 1429: 1424: 1413: 1412: 1408: 1407: 1402: 1390: 1383: 1382: 1378: 1377: 1371: 1370: 1358: 1349: 1348: 1347: 1345: 1342: 1339: 1338: 1324: 1307: 1297: 1296: 1294: 1291: 1279: 1278: 1274:privacy policy 1262: 1239: 1238: 1237: 1236: 1223: 1220: 1159: 1156: 1103: 1100: 1066:Reaper Eternal 1011: 996: 993: 952:Main article: 949: 946: 899: 896: 867: 864: 833:checkuserblock 819: 816: 788:checkuserblock 777: 774: 773: 772: 765: 764: 763: 716: 712: 705: 692: 691: 683: 678: 675: 672: 628: 625: 615: 612: 611: 610: 604: 578: 540: 539: 531: 526: 523: 520: 514: 513: 505: 500: 497: 494: 481: 480: 473: 470: 457: 456: 448: 443: 440: 437: 431: 428: 413: 412: 404: 399: 396: 393: 385: 384: 383: 382: 381: 380: 377: 373: 365:privacy policy 361: 357: 353: 340:Main article: 336: 335: 327: 322: 319: 316: 307: 304: 297: 296: 288: 283: 274: 273: 270: 267: 260: 259: 256: 253: 250: 239: 236: 224:Main article: 221: 218: 182:privacy policy 126: 125: 122: 121: 114: 106: 101: 98: 90: 89: 80: 68: 67: 52: 40: 24: 14: 13: 10: 9: 6: 4: 3: 2: 2471: 2460: 2457: 2455: 2452: 2450: 2447: 2445: 2442: 2440: 2437: 2436: 2434: 2419: 2416: 2414: 2411: 2409: 2406: 2404: 2401: 2399: 2396: 2394: 2391: 2389: 2386: 2384: 2381: 2377: 2374: 2372: 2369: 2367: 2364: 2362: 2359: 2358: 2357: 2354: 2352: 2349: 2347: 2344: 2342: 2339: 2335: 2332: 2331: 2330: 2327: 2326: 2324: 2322: 2318: 2310: 2309:ArbCom clerks 2307: 2305: 2302: 2301: 2299: 2297: 2296:Functionaries 2294: 2292: 2289: 2287: 2284: 2283: 2281: 2278: 2274: 2268: 2265: 2263: 2260: 2258: 2255: 2251: 2248: 2247: 2246: 2243: 2239: 2236: 2235: 2234: 2231: 2227: 2224: 2223: 2222: 2218: 2215: 2211: 2208: 2207: 2206: 2203: 2199: 2196: 2195: 2194: 2193:Administrator 2191: 2190: 2188: 2184: 2176: 2173: 2172: 2171: 2168: 2164: 2161: 2160: 2159: 2156: 2152: 2149: 2148: 2147: 2144: 2140: 2137: 2136: 2135: 2132: 2128: 2125: 2124: 2123: 2120: 2116: 2113: 2112: 2111: 2108: 2104: 2101: 2100: 2099: 2096: 2092: 2089: 2088: 2087: 2084: 2080: 2077: 2076: 2075: 2072: 2068: 2065: 2064: 2063: 2060: 2056: 2053: 2052: 2051: 2048: 2044: 2041: 2040: 2039: 2036: 2032: 2029: 2028: 2027: 2024: 2020: 2017: 2016: 2015: 2012: 2008: 2005: 2004: 2003: 2002:Autopatrolled 2000: 1996: 1993: 1992: 1991: 1988: 1984: 1981: 1980: 1979: 1976: 1972: 1969: 1967: 1964: 1963: 1962: 1959: 1958: 1956: 1954: 1949: 1945: 1937: 1934: 1933: 1932: 1929: 1925: 1922: 1921: 1920: 1917: 1913: 1910: 1909: 1908: 1905: 1903: 1900: 1898: 1895: 1893: 1890: 1888: 1885: 1884: 1882: 1878: 1872: 1869: 1867: 1864: 1862: 1859: 1857: 1854: 1850: 1847: 1845: 1841: 1838: 1836: 1833: 1831: 1828: 1827: 1826: 1823: 1819: 1816: 1815: 1814: 1811: 1807: 1804: 1802: 1799: 1797: 1794: 1793: 1792: 1789: 1785: 1782: 1780: 1777: 1776: 1775: 1772: 1768: 1765: 1763: 1760: 1758: 1757:Admin's guide 1755: 1753: 1750: 1749: 1748: 1745: 1744: 1742: 1736: 1730: 1727: 1725: 1722: 1720: 1717: 1715: 1712: 1708: 1705: 1704: 1703: 1700: 1698: 1695: 1693: 1690: 1688: 1685: 1684: 1682: 1678: 1672: 1669: 1667: 1664: 1660: 1657: 1655: 1652: 1651: 1650: 1647: 1643: 1640: 1639: 1638: 1635: 1633: 1630: 1629: 1627: 1623: 1617: 1614: 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265: 264: 263: 257: 254: 252:Sockpuppetry; 251: 248: 245: 244: 243: 237: 235: 233: 227: 219: 217: 215: 210: 207: 203: 199: 195: 190: 188: 183: 179: 174: 172: 167: 163: 158: 156: 151: 149: 145: 141: 132: 119: 115: 112: 108: 107: 104: 99: 96: 88: 86: 81: 74: 73: 65: 61: 57: 53: 46: 45: 37: 30: 19: 2403:Noticeboards 2383:WikiProjects 2216: 1936:Quiet return 1887:Sockpuppetry 1806:Open proxies 1796:Range blocks 1521:mw:CheckUser 1396: 1327: 1310: 1301: 1282: 1265: 1082:Stwalkerster 1038:Girth Summit 998: 986: 979: 971: 968: 964: 961: 957: 941: 926: 907: 891: 880:edit summary 877: 827: 782: 779: 760:oversighters 695: 688:WP:PIXIEDUST 659: 653: 630: 606: 580: 570: 553: 544:Main pages: 536:WP:CONTACTCU 517: 482: 477:Magic 8-Ball 460: 433: 424: 420: 416: 386: 345: 332:WP:CUPRIVACY 309: 300: 275: 261: 241: 232:sockpuppetry 229: 211: 191: 175: 165: 161: 159: 152: 148:IP addresses 143: 139: 137: 82: 55: 2279:and related 1971:Admin guide 1948:User groups 1931:Clean start 1707:2FA for AWB 1632:New account 1126:HJ Mitchell 1086:Vanamonde93 1026:Dreamy Jazz 902:Main page: 720:checkuser-l 2433:Categories 2321:Governance 2304:SPI clerks 2277:Committees 2267:Researcher 2205:Bureaucrat 2122:Page mover 2074:File mover 1637:Logging in 1575:governance 1419:– page at 1314:Checkuser 1206:PhilKnight 1138:Moneytrees 1122:Guerillero 1114:CaptainEek 1042:Ivanvector 1030:EdJohnston 966:provided). 862:template. 822:See also: 709:pixie dust 556:sockpuppet 293:WP:CHECKME 144:checkusers 2408:Consensus 2398:Petitions 2388:Elections 2376:Proposals 2371:Meta-Wiki 2221:Oversight 2217:CheckUser 1907:Wikibreak 1825:Sanctions 1767:Autoblock 1616:IP hopper 1515:Technical 1369:CheckUser 1316:Mackensen 1174:Callanecc 1166:Barkeep49 1090:Versageek 1018:Blablubbs 1008:Appointed 734:channel ( 587:queue at 247:Vandalism 180:'s (WMF) 140:CheckUser 103:Shortcuts 36:CheckUser 2262:Importer 2146:Rollback 1919:Retiring 1912:Enforcer 1571:accounts 1508:top icon 1421:metawiki 1344:See also 1186:Jpgordon 1162:AmandaNP 1150:ToBeFree 1142:Primefac 1070:RoySmith 758:, as do 680:Shortcut 528:Shortcut 502:Shortcut 445:Shortcut 401:Shortcut 352:editing. 324:Shortcut 285:Shortcut 118:WP:CHECK 2418:Reforms 2300:Clerks 2257:Founder 2250:Request 2238:Request 2226:Request 2091:Request 2043:Request 2031:Request 1492:userbox 1320:comment 1182:Joe Roe 1118:Firefly 934:Steward 857:unblock 496:Fishing 1222:Others 1214:Risker 1194:Ks0stm 1178:Drmies 1146:Sdrqaz 1110:Cabayi 1098:Zzuuzz 1058:Oshwah 1034:Ferret 1022:DatGuy 1014:Alison 666:, and 220:Policy 111:WP:CHK 58:, see 2361:Board 1849:Essay 1762:Tools 1293:Notes 1170:Bradv 1154:Z1720 1134:Maxim 1106:Aoidh 1094:Yamla 1062:Ponyo 627:Usage 2219:and 2163:PERM 2151:PERM 2139:PERM 2127:PERM 2115:PERM 2103:PERM 2079:PERM 2067:PERM 2055:PERM 2019:PERM 2007:PERM 1995:PERM 1983:PERM 1951:and 1842:and 1801:IPv6 1573:and 1506:– a 1490:– a 1202:Mkdw 1130:L235 1078:ST47 803:and 769:IPBE 696:The 643:and 548:and 166:from 138:The 2334:FAQ 2210:RfB 2198:RfA 2026:Bot 1844:Log 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Index

Knowledge (XXG):CHK
Knowledge (XXG):WikiProject Check Knowledge (XXG)
CheckUser
Contacting a checkuser
Knowledge (XXG):Sockpuppet investigations
procedural policy
global community CheckUser policy
Shortcuts
WP:CHK
WP:CHECK

IP addresses
by one individual or group of people
Special:CheckUserLog
Wikimedia Foundation
privacy policy
rarely precludes
a restricted number of trusted users
Arbitration Committee
functionary team
signed the Wikimedia Foundation's confidentiality agreement for nonpublic information
global checkuser policy
m:CheckUser policy
sockpuppetry
Vandalism
legitimate uses of alternative accounts
Shortcut
WP:CHECKME
Knowledge (XXG):Sockpuppet investigations
Shortcut

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