Roland,

> If you use WindowsXP try this:
> 1. Set SYSDBA password to "cebiluja"
> 2. Try connect to database without password (on programs, thath not
> check password existing on client side)
>
> Your result ?

If you describe what you get instead of playing riddles that might be
more
helpful. ;-)

I assume you get connected, which shouldn't work (and doesn't here).
Have you by chance an environment variable called ISC_PASSWORD defined
as 'cebiluja'?
Cannot think of anything else.
Ciao
--
____
_/\/ando