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group & user permission question

 
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Top Forums UNIX for Dummies Questions & Answers group & user permission question
# 8  
Old 08-14-2008
Quote:
Originally Posted by redoubtable
Be aware that the users will still be allowed on world writable directories (such as /tmp). Otherwise, you will got to stick with mcnamara's opinion on chroot(). Still, I must say chroot() is awfully easy to bypass without the proper kernel limitations (grsecurity).
with these days computing power, i would rather set up Xen and several "virtual domains" with some rather tiranic restrictions before a chroot
# 9  
Old 08-14-2008
Quote:
Originally Posted by broli
with these days computing power, i would rather set up Xen and several "virtual domains" with some rather tiranic restrictions before a chroot
Amen to that. Still I think Linux is a very insecure operating system.
# 10  
Old 08-14-2008
Quote:
Originally Posted by redoubtable
Amen to that. Still I think Linux is a very insecure operating system.
well xen can run any open enough kernel that alowed the comunity to modify it to work with an hypervisor.

and i think that vmware has his own hypervisor thingy for more closed source unix systems .

so i think you could set up a bsd xen dom0 (domain 0is the real one)
# 11  
Old 08-14-2008
Quote:
Originally Posted by broli
well xen can run any open enough kernel that alowed the comunity to modify it to work with an hypervisor.

and i think that vmware has his own hypervisor thingy for more closed source unix systems .

so i think you could set up a bsd xen dom0 (domain 0is the real one)
Yeah I know, don't get me wrong, I love Linux. I just think it's insecure due to all the exploitable conditions the kernel has shown over the years.
 
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