We're having an issue with our UTM 425 where the httpprox process will start to gobble-up CPU. Normal CPU usage here is about 10-20% during peak hours. But occasionally I'll see it spike up to 40% and stay there indefinitely. When I SSH in and run top, it looks like httpprox is pegging a CPU.
I can then toggle web filtering off/back on via the web gui, or reboot, and the problem goes away until the next day.
Our re-seller doesn't see anything obvious. Where should I begin troubleshooting?
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