Viewing abuse filter 1: Mass page blanking or massive deletion

Filter parameters

Filter ID:

1

Description:

(publicly viewable)

Conditions:

!( "sysop" in user_groups ) & length(removed_lines) > 500 & length(added_lines) < 10

!( "sysop" in user_groups ) & length(removed_lines) > 500 & length(added_lines) < 10

Notes:

when editor removes more than 500 lines but adding fewer than 10 lines back.

Flags:

Suppress this filter so that only suppressors can view it and its logs

Hide details of this filter from public view

Enable this filter

Mark as deleted

Filter last modified:

08:55, 9 October 2026 by U080F22CTJN (talk | contribs)

History:

View this filter's history

Tools:

Export this filter to another wiki

{"data":{"rules":"!( \"sysop\" in user_groups ) \u0026 length(removed_lines) \u003E 500 \u0026 length(added_lines) \u003C 10","name":"Mass page blanking or massive deletion","comments":"when editor removes more than 500 lines but adding fewer than 10 lines back.","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

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: