No, you're right..

Permissions for that file could probably be tighter, 
but it's better not to rely on file system permissions only.

bvr.

>> And also...
>> How do I go about securing PHP functions.  For example, at the moment Joe
>> can upload a PHP script that deletes /etc/named.conf.  NOT GOOD!
>>
>Surely this is a general security issue? If an ordinary user is allowed 
>to delete /etc/named.conf (whether by PHP, Perl or a command line "rm 
>/etc/named.conf") then the permissions are not right (only root normally 
>having write permission). Joe may be able to run a script that _tries_ 
>to delete /etc/named.conf but the permissions should not allow it.
>
>Or am I missing something?




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