Hi Steve,
Thanks for your reply.
Apologies, you are correct, I should have been more specific.
This is running only the Guardian module:
https://help.smoothwall.net/FilterFirewall/Content/7Guardian/Guardian.htm
Of these, we don't even run all of them. For example, we have disabled HTTPS inspection, so only basic traffic is monitored.
We don't run any VPN's, Proxy's or SMTP services as these are handled elsewhere.
Based on our usage, we were told before purchase that we should expect between 7-8Gbps, whereas, as I said previously, we are getting much less than that in practice.
I suspect this is going to be the maximum we are going to be able to achieve from our appliance, but I was wondering if anyone had had any direct experience for comparison sake.