Viewing abuse filter 1: Block near-blanking of articles

Filter parameters

Filter ID:	1
Description: (publicly viewable)
Statistics:	Of the last 622 actions, this filter has matched 0 (0%). On average, its run time is 0.73 ms, and it consumes 2.4 conditions of the condition limit.
Conditions:	action == "edit" & page_namespace == 0 & !("sysop" in user_groups) & old_size > 400 & new_size < 40 & !(new_wikitext rlike "(?i)^\s#\sredirect\s*\[\[")
Notes:	Stops vandals emptying established main-namespace pages. Sysops exempt. Redirects allowed. Soft on small stubs (old_size <= 400).
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:	02:08, 15 September 2026 by Admin (talk \| contribs)
History:	View this filter's history
Tools:	Export this filter to another wiki {"data":{"rules":"action == \"edit\"\n\u0026 page_namespace == 0\n\u0026 !(\"sysop\" in user_groups)\n\u0026 old_size \u003E 400\n\u0026 new_size \u003C 40\n\u0026 !(new_wikitext rlike \"(?i)^\\s#\\sredirect\\s*\\[\\[\")","name":"Block near-blanking of articles","comments":"Stops vandals emptying established main-namespace pages. Sysops exempt. Redirects allowed. Soft on small stubs (old_size \u003C= 400).","group":"default","actions":{"disallow":["abusefilter-disallowed"]},"enabled":true,"deleted":false,"privacylevel":0,"global":false},"actions":{"disallow":["abusefilter-disallowed"]}}

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: