I am testing out v6.2 to use on our business LAN. I have UT configured with Internal and External interfaces as static address on our subnet and set a test client's gateway to be the Internal interface (right now I'm only testing the web filter). UT works fine for a few minutes, blocking pages as expected, then quits. It no longer blocks or logs any traffic, and allows everything through. After rebooting it works again for awhile before stopping. As I'm not a Linux guru, or familiar with UT, I don't know where to look for error logs (if there are any). There isn't any other indication of an issue except that block list entries cannot be removed/saved when its malfunctioning.
The setup is relatively simple as we don't need anything complicated, so I don't know what it could be except a hardware compatibility issue. I'm using an HP desktop DC7700 with a D-link DFE530TX NIC added as the second interface for the UT Server. Anyone have input?