WARNING:DO NOT UPGRADE TO CORE 4

Timothy Murphy tim at birdsnest.maths.tcd.ie
Fri Jul 15 11:24:03 UTC 2005


Paul Howarth wrote:

>> I can (sort of) see the argument for noexec on /var ,
>> but why on /tmp ?
> 
> Why one and not the other?

I guess I misunderstood.
I thought the idea of noexec-ing /var
was to ensure that files there weren't tampered with,
and there didn't seem anything worth tampering with on /tmp .

But I see now that the danger is more that /var or /tmp
can be used as a blank sheet to write on.

-- 
Timothy Murphy  
e-mail (<80k only): tim /at/ birdsnest.maths.tcd.ie
tel: +353-86-2336090, +353-1-2842366
s-mail: School of Mathematics, Trinity College, Dublin 2, Ireland




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