Adriano dos Santos Fernandes wrote:

> Roman Rokytskyy escreveu:
>
>> Guys,
>>
>>
>>
>>>> Do you want to say that UDF may be secure in one database, but insecure in
>>>> another?
>>>>
>>>>
>>> Do you have any doubt? :-)
>>>
>>> Actually it's a problem even for different users of the same database.
>>> [...]
>>> Do you think a digital signature function should be so unprotected?
>>>
>>> This is one of things I'm using in Oracle, and I'm satisfied with they
>>> security.
>>>
>>>
>> I suggest to stop here - if you want to discuss Firebird'd security in
>> general (and what you show is a column-level permissions on the metadata
>> objects), create a separate thread and invite Red Soft into it, they
>> have a lot of input for the topic.
>>
> Yes, Roman, I also suggest to stop here.
>
> It's impossible to extend the engine for external procedures with
> current FB security handling.
>
>
>

How can you possibly know that without knowing what external procedure
security even means?

Once again, I suggest you start with the requirements for external
procedure security. What are you trying to accomplish and why? What is
the problem you are trying to solve?