Viewing abuse filter 2: Possible mass page replace/vandalism by new account

Filter parameters

Filter ID:	2
Description: (publicly viewable)
Statistics:	Of the last 1 action, this filter has matched 0 (0%). On average, its run time is 0.16 ms, and it consumes 0 conditions of the condition limit.
Conditions:	user_age < 259200 & action == "edit" & !("confirmed" in user_groups) & article_exists & old_size > 500 & (old_size - new_size) > (old_size * 0.75)
Notes:	Triggers when a new account removes more than 75% of an existing page.
Flags:	Hide details of this filter from public view Enable this filter Mark as deleted
Filter last modified:	14:49, 5 April 2026 by Admin (talk \| contribs)
History:	View this filter's history
Tools:	Export this filter to another wiki {"data":{"rules":"user_age \u003C 259200 \u0026 action == \"edit\" \u0026 !(\"confirmed\" in user_groups) \u0026 article_exists \u0026 old_size \u003E 500 \u0026 (old_size - new_size) \u003E (old_size * 0.75)","name":"Possible mass page replace/vandalism by new account","comments":"Triggers when a new account removes more than 75% of an existing page.","group":"default","actions":[],"enabled":true,"deleted":false,"privacylevel":0,"global":false},"actions":[]}

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

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:

Anonymous