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Tim
ignored_mailbox at yahoo.com.au
Mon Jun 4 11:31:04 UTC 2007
Tim:
>> The other catch is that being able to execute stuff in your home folder
>> is a bit of a security risk.
Andreas Bernauer:
> On what theory do you base this (IMHO weird) statement?
Don't you read any of the security notices? Mounting /home as noexec is
a very old, and wise, technique for making a system more secure. The
same goes for mounting /tmp and /var noexec. Why do you think there's
an option to mount a partition with the noexec parameter?
If a user can create and run a program, they can do much more to a
system than one who can't. Ordinarily, they can't do that. At the
simplest level they can stuff up their own files, or bog a system down
with a heavy workload. But if you exploit a software fault, at the same
time, you can do worse.
All it takes is to browse a website that exploits your browser, and
there's an unknown program running on your computer. But without any
execute permissions, it can't do a thing.
--
(This box runs FC6, my others run FC4 & FC5, in case that's
important to the thread.)
Don't send private replies to my address, the mailbox is ignored.
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