[cobalt-users] File ACL's with Linux

[Oliver Schlag <chairman@xxxxxxxx>]

Hy together,

has somebody ever tried one of the following tools or something simmilar ?

http://packetstorm.securify.com/linux/security/acl-0.5.4-4.tar.gz
Linux, in the tradition of UNIX-like operating systems, implements file system 
permissions using a rather coarse scheme. While this is sufficient for a 
surprisingly large set of applications, it is too inflexible for many advanced 
scenarios. For that reason, all the major commercial UNIX operating systems 
have extended this simple scheme in one way or the other. For Linux, such 
extensions are not stable enough yet. Standard distributions do not include 
ACLs so far.

http://packetstorm.securify.com/linux/security/medusa-0.7.9.tar.gz
Medusa is a package which improves overall security of Linux OS by extending 
standard Linux security architecture, but preserving backward compatibility. 
There is a small kernel patch and a user space security daemon. Kernel changes 
do the monitoring of syscalls, filesystem actions, and processes, and they 
implement the communication protocol. The security daemon communicates with the 
kernel using the character device to send and receive packets. Changes: file 
hiding, new sample config file, and many documentation fixes and updates. 
Homepage here. By Marek Zelem and Martin Ockajak

Homepage : http://medusa.fornax.sk/

It would be great if someone can tell me something about this.

Thanks in advice
Oliver