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Contents
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Beginning
1
Stay up to date
2
Be careful about which extensions you use
3
File permissions
4
Transport Layer Security (TLS, HTTPS)
5
General PHP recommendations
6
General MySQL and MariaDB recommendations
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6.1
Maintenance scripts
6.2
Upgrade of MediaWiki
6.3
More about MySQL and MariaDB
7
Leaks
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7.1
If the database has leaked
7.2
If LocalSettings.php has leaked
8
Database passwords
9
Alternate file layout
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9.1
Move sensitive information
9.2
Set DocumentRoot to /dev/null
9.3
Loader scripts
10
User security
11
Upload security
12
External programs
13
See also
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Manual
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Security
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If you believe you have found a security problem in MediaWiki or in one of Wikimedia's web sites, see
Security
