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Next Steps In File Permission Models
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One Line Summary
Why POSIX ACLs are not enough and how to replace them
Abstract
Linux is behind other UNIX-like operating systems like Solaris in terms of Windows interoperability because of its lack of support for file permission models beyond POSIX ACLs. More advanced file permission models have been implemented, but are still outside the mainline kernel (for example, http://acl.bestbits.at/richacl/ ).
This presentation will discuss the vfs and file system changes needed to implement advanced file permission models, explain the requirements for such models, and show how a specific implementation meets those requirements (richacls).
Tags
security, file systems, file serving, permissions, interoperability, Windows, NFSv4, NAS
Speaker
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Andreas Gruenbacher
LINBITBiography
Working in SUSE Labs from 2002-2010.
Author of POSIX ACLs in the Linux kernel.
Author of quilt. Maintainer of GNU patch.