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Performance issue after enabling IPS.

RPR84
Just we install Sophos Astaro UTM in our network environment. Now we have an issue when we enabling IPS. When we enable Intrusion Prevention, max download speed is 50Mbps. When we disable IPS, we can download with speed of 110Mbps.

We install Astaro Security Gateway as a virtual appliance in Hyper-V. The VM have 1GB internal memory and 1 CPU. 

Is there someone that knows how I can solve this issue? Thanks!


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  • 0 in reply to William Warren
    what nics...also turn off qos and ips first...see what happens.  What kind of internet?  many times isp errors between your wan and astaro hardware can cause issues.



    I have one intel pro/1000 gt gigabit ethernet pci and the other is a pci-e broadcom netxtreme gigabit ethernet nic. Currently I have Verizon Fios.