[OS X TeX] Error: I can't write on file '(name)'

[Alain Schremmer]

On Mar 10, 2012, at 9:30 AM, Peter Dyballa wrote:

>
> Am 9.3.2012 um 23:17 schrieb Alain Schremmer:
>
>> In other words, why "disallow going to parent directories ..."?
>
> Because that's the most dangerous entry into your system! The root  
> of the file system is just two or three steps above. And when you're  
> allowed to do one step, can you imagine that the next one cold be  
> forbidden? Gaining access to the root you can do a lot of damage.

Am I to understand that I should get the "paranoïd" back into /usr/ 
local/texlive/2010/texmf/web2c/texmf.cnf and change "p" to "r" in /usr/ 
local/texlive/2010/texmf.cnf ?

Interested regards
--schremmer