Alternatives to PHP Safe Mode SHARED HOSTING

snow4dayz used Ask the Experts™
Hello guys need some alternatives to using PHP safe_mode in a shared environment.

To be clear:
The server is shared among a few hundred people for opensource projects.

I want to make sure that a user doesnt upload a script such as r57, thus far I have been using safe_mode to protect the server, safe_mode is gone as of php 6.
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PHP itself even with safe_mode enabled, is not secure, that's why patches like suhosin exists.

Although, you can use disabled_functions feature to disable functions like exec and passthru. Also you can use apache mods like mod_security to filter user input to prevent sql injection and XSS vulnerabilities.

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