Published on March 9, 2014
CMS Security Ruth Cheesley - @RCheesley
Laying the foundations
Understand permissions World (The world, the universe, and everything) Group (A set of users) Owner (owns the file)
Understand permissions Read (r) Write (w) Can view the file Chmod +r / -r Numerical value = 4 Can make changes or modify the file Chmod +w / -w Numerical value = 2 Execute (x) Can run the file (generally applicable at command line) Chmod +x / -x Numerical value = 1 NOTE: Folders cannot be listed and files within can't be accessed if the folder does not have execute permissions
Joomla! permissions Owner Group World 7 (Read + Write + Execute) rwx 5 (Read + Execute) r-x 5 (Read + Execute) r-x 6 (Read + Write) rw- 4 (Read) (r--) 4 (Read) (r--)
Your weakest link © James Steidl - Fotolia.com
Keep up to date © iQoncept - Fotolia.com
Sell ethically to your clients © puckillustrations - Fotolia.com
Modern security practices © James Steidl - Fotolia.com
Implement 2 Factor Authentication
Web application firewalls
Test your backups
Plan for disaster
To find more information magazine.joomla.org docs.joomla.org Ruth Cheesley - @RCheesley
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