ons 2008-07-16 klockan 03:41 -0700 skrev Ryan Raymond: > When L4 is used, does squid need to validate the http traffic, like virus, BT or other "abnormal" traffic? Yes. And that's usually the case when using so called L7 switches as well. > So, does it cause squid unstable or high utilization ? High bandwidth clients doing bad things at a very high rate can have negative effects on Squid performance yes. Regards Henrik