Viewing abuse filter 3: Prevent new users from removing 900+ characters from a page

Filter parameters

Filter ID:	3
Description: (publicly viewable)
Conditions:	/* Not autoconfirmed / !("autoconfirmed" in user_groups) & / 0 means articles (mainspace) / (article_namespace == 0) & / 900+ removed / (edit_delta < -900) & / allow to turn it into a redirect or delete it / !("#redirect" in lcase(added_lines)) & !(action == "delete") / Not autoconfirmed / !("autoconfirmed" in user_groups) & / 0 means articles (mainspace) / (article_namespace == 0) & / 900+ removed / (edit_delta < -900) & / allow to turn it into a redirect or delete it */ !("#redirect" in lcase(added_lines)) & !(action == "delete")
Notes:
Flags:	Hide details of this filter from public view Enable this filter I understand that details of this filter will be hidden from users who cannot see [https://www.mediawiki.org/wiki/Special:MyLanguage/Extension:AbuseFilter/Rules_format#Protected_variables protected variables] Mark as deleted
Filter last modified:	19:56, 26 January 2025 by DuskFyre (talk \| contribs)
History:	View this filter's history
Tools:	Export this filter to another wiki {"data":{"rules":"/* Not autoconfirmed /\r\n!(\"autoconfirmed\" in user_groups) \u0026\r\n\r\n/ 0 means articles (mainspace) /\r\n(article_namespace == 0) \u0026\r\n\r\n/ 900+ removed /\r\n(edit_delta \u003C -900) \u0026\r\n\r\n/ allow to turn it into a redirect or delete it */\r\n!(\"#redirect\" in lcase(added_lines)) \u0026 !(action == \"delete\")","name":"Prevent new users from removing 900+ characters from a page","comments":"","group":"default","actions":{"disallow":["abusefilter-disallowed"],"tag":["Blanking"]},"enabled":false,"deleted":false,"privacylevel":0,"global":false},"actions":{"disallow":["abusefilter-disallowed"],"tag":["Blanking"]}}

Actions to take when matched

Trigger actions only if the user trips a rate limit

Number of actions to allow:

Period of time (in seconds):

Group throttle by:

user

See the documentation on mediawiki.org.

Trigger these actions after giving the user a warning

System message to use for warning:

Page name of other message:

(without "MediaWiki:" prefix)

Prevent the user from performing the action in question

System message to use for disallowing:

Page name of other message:

(without "MediaWiki:" prefix)

Revoke the user's autoconfirmed status

Block the user and/or IP address from editing

Block the user and/or IP address from editing their own talk page

Block duration for non-registered users:

Block duration for registered users:

Tag the edit for further review

Tags to apply:

Blanking