CageFS

Published on: Sep 06, 2017

CageFS is a virtualized file system and a set of tools to contain each user in its own 'cage'. Each customer will have its own fully functional CageFS, with all the system files, tools, etc.

The benefits of CageFS are:

  • Only safe binaries are available to user

  • User will not see any other users, and would have no way to detect presence of other users & their user names on the server. This enables each user to have their own 'system', also giving them greater options in terms of customisation and performance

  • User will not be able to see server configuration files, such as Apache config files. Users will have additional layer of security and reduce the chance of infection or malware.

  • User's will have limited view of /proc file system, and will not be able to see other' users processes


At the same time, user's environment will be fully functional, and user should not feel in any way restricted. No adjustments to user's scripts are needed. CageFS will cage any scripts execution done via:

  • Apache (suexec, suPHP, mod_fcgid, mod_fastcgi)

  • LiteSpeed Web Server

  • Cron Jobs

  • SSH

  • Any other PAM enabled service



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