It seems something is going wrong with DNS. security.debian.org points to 0.0.0.0 !! Regards Piotr -- /**************************************************************************** Dr Piotr A. Dybczynski, Astronomical Observatory, A.Mickiewicz University Sloneczna 36,60-286 Poznan,POLAND,tel+48.61.8292784,e-mail: dybol@amu.edu.pl **********************************************************************PAD***/