Abuse filter management

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ItemVersion from 14:44, 2 April 2017 by Zhuyifei1999Version from 07:13, 29 April 2017 by Jdx
Basic information

Description:

(publicly viewable)
Large file uploaded by a new user
Large upload by a new user
Notes:
Init. Flag everything bigger than μ + 2σ for each type/MIME type combination. Data provided by [[User:Dispenser]] in [[Special:PermaLink/227621948#Influx of files with embedded data (CSD#F9) – continuation]]
Init. Flag everything bigger than μ + 2σ for each type/MIME type combination. Data provided by [[User:Dispenser]] in [[Special:PermaLink/227621948#Influx of files with embedded data (CSD#F9) – continuation]]
--jdx (2016-12-27)
--jdx (2016-12-27)


Added "audio/ogg" and "video/ogg" MIME types because the filter didn't flag huge, fake ogg audio files.
Added "audio/ogg" and "video/ogg" MIME types because the filter didn't flag huge, fake ogg audio files.
--jdx (2016-12-27)
--jdx (2016-12-27)


Added "catch all the rest" condition; 1 MiB is arbitrarily chosen.
Added "catch all the rest" condition; 1 MiB is arbitrarily chosen.
--jdx (2016-12-27)
--jdx (2016-12-27)


Raised threshold for JPEGs to μ + 3σ because of too many false positives and lowered threshold for WebM to μ + σ. Also removed file size threshold from "catch all the rest" condition.
Raised threshold for JPEGs to μ + 3σ because of too many false positives and lowered threshold for WebM to μ + σ. Also removed file size threshold from "catch all the rest" condition.
--jdx (2016-12-28)
--jdx (2016-12-28)


Removed "stashupload" action as it is not very helpful in our case.
Removed "stashupload" action as it is not very helpful in our case.
--jdx (2016-12-28)
--jdx (2016-12-28)


Decreased editcount in order to reduce number of false positives. Josve's question moved to COM:AN.
Decreased editcount in order to reduce number of false positives. Josve's question moved to COM:AN.
--jdx (2016-12-29)
--jdx (2016-12-29)


+ Condition for user age < a week, [[Special:Permalink/228188098]] --Zhuyifei1999 (2016-12-31)
+ Condition for user age < a week, [[Special:Permalink/228188098]] --Zhuyifei1999 (2016-12-31)


Implemented most of suggestions from [[Special:Diff/228880645]].
Implemented most of suggestions from [[Special:Diff/228880645]].
--jdx (2017-01-14)
--jdx (2017-01-14)


Hiding: Any trusted users can be given access, but I don't see the point of allowing Zero abusers to find out the thresholds and game the system --Zhuyifei1999 (2016-03-27)
Hiding: Any trusted users can be given access, but I don't see the point of allowing Zero abusers to find out the thresholds and game the system --Zhuyifei1999 (2016-03-27)
- Reverted: [[phab:T161816]] --Zhuyifei1999 (2016-03-31)
- Reverted: [[phab:T161816]] --Zhuyifei1999 (2016-03-31)


+ WebP with 1 MiB threshold. Only 6 files out of all 48 exceeds this size, and are all from experienced users.
+ WebP with 1 MiB threshold. Only 6 files out of all 48 exceeds this size, and are all from experienced users.
Changed rule's description and added tagging. --jdx (2017-04-29)
Actions to take when matched
Actions to take when matched
 
Tag: Large upload by a new user