I've been looking through the sizing guidelines documents for UTM 9.2/SG series devices and have a question about relating the recommendations to a SG series appliance that would be in a datacenter where there are no local users behind the device.
The datacenter has a 10mbps dedicated connection with average daily combined throughput (up/down) is 14-18Mbps. There are also 40 VPN tunnels that would terminate to this device. IPS/IDS would be the primarily used security service, and web server protection may be used for a few low traffic sites.
There are about 400 actual users who access services in the datacenter, of which ~300 of them are accessing over those VPN tunnels, and the rest of them of direct internet.
Do I treat this user base that same as if I was sizing for an office with 400 users behind the firewall? Or are these users treated differently in this scenario?
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