Hi, I fixed a security hole detected in SandBox.py: the fixed code can be downloaded from http://www.procoders.net/download.php?fname=SandBox.py Greetings, Uwe. -- Dr. rer. nat. Uwe Schmitt Computer science is no more about Computers, uwe.schmitt at num.uni-sb.de than astronomy is about telescopes. (Dijkstra) http://www.procoders.net