Norbert GrafNorbert Graf is a professional IT specialist from Munich with many years of experience in network security and server virtualization. His special fields of interests are Linux based Firewalls, VMware and XEN Virtualization. Since 2002 he is working, s a Consultant, for an IT company near Munich, for customers from the healthcare sector like hospitals or pharma concerns to small companies. The first experience with computers he made with commodore c64 learning to program in basic followed by an x86 processor PC with DOS and Windows. He is still working with Windows and Linux networks everyday. His field of work contains especially integrating Linux Servers like Proxies or OpenVPN Servers in Microsoft Active Directory infrastructures. Since 2007 he published several articles (the most about Windows and Linux cooperation) together with Markus Feilner in the German and International Linux-Magazine. In November 2007 his son Moritz was born and made the whole family very happy. Read More Read Less