I use Redhat 9 (kernel version 2.4.20-30.9) and cups-1.1.17-13.3 to manage printers. I found a weird problem, sometimes the web interface (http://localhost:631) just hang there when I list avaliable printers. But if I reinstalled cups (use rpm -Uvh --force) and refresh cups, it seems work fine now. What's the problem? Rocky