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Forums: Admin Central Index General Questions How to stop unregistered contributors from removing page contents
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It is very annoying to see unregistered wikia contributors removing contents from pages either intentionally or unintentionally. Is there a way to stop unregistered users to remove say more than 200 characters at a time? Flying Banana (talk) 12:16, September 15, 2012 (UTC)

One way this is often done is by using mw:Extension:AbuseFilter. This is a MediaWiki extension that admins can use to write some conditions that prevent certain types of edits, often having to do with vandalism like this. The AbuseFilter extension is not enabled by default, only Wikia staff can enable it, so to get it enabled on your wiki, you would need to:
  1. Start a community discussion and get the agreement of the majority of editors on your wiki to enable this feature (even if you don't think anybody would comment on it, you need to start the discussion anyway and allow at least 1 week for comments).
  2. Then, once that's done, you would need to use Special:Contact form on your wiki to send Wikia staff 1) a request to enable AbuseFilter extension and 2) a link to the community discussion you started.
  3. They will review the request and -- if they agree to it -- they will enable it for you.
  4. Once the extension is enabled, you would need to learn how to use it. Make sure to look up help pages such as mw:Extension:AbuseFilter/RulesFormat. If you or another admin on your wiki has previous experience with the extension, that would be best. If not, you can always post request for help here. Also, you can import already-built filters from well-established wikis that already use the AbuseFilter, such as w:c:callofduty:Special:AbuseFilter
20px_Rin_Tohsaka_Avatar.png Mathmagician ƒ(♫) 13:57 UTC, Saturday, 15 September 2012
That I might want and for that. I think semi protecting pages can be one thing but abuse filters can do too.--Sonic & Gobo Fraggle 3 (talk) 01:22, September 16, 2012 (UTC)
That's true, you can protect individual pages to prevent anons from editing them at all. The difference though is that only abuse filter is much more customizable. Only with the abuse filter can you do something like "leave this page unlocked so that everyone can edit it, but if an anon removes more than 200 characters in an edit, prevent their edit from being published". 20px_Rin_Tohsaka_Avatar.png Mathmagician ƒ(♫) 01:48 UTC, Monday, 17 September 2012