File Permission (chmod) Calculator
Tick the permissions to get the octal value, symbolic notation and the command — with Joomla's recommended presets.
Joomla presets:
| Read | Write | Execute | |
|---|---|---|---|
| Owner | |||
| Group | |||
| Public |
Numeric000
Symbolic----------
Joomla's general guidance: files 644, folders 755.
For extra protection you can set
configuration.php to 444
(read-only). Never use 777 — it lets anyone write to your files and
is a common cause of hacked Joomla sites.