The billing items vary depending on the service modes, editions, and functions of the cloud server and eSurfing Cloud Firewall. For the billing details of the cloud server, please refer to its ordering page. For the billing items of the eSurfing Cloud Firewall, please see the table below.
| Service Mode | Editions and Functions | ||||||
Basic Functions | Standard & Advanced | Premium | |||||
Virus prevention | URL filtering | QoS | IP reputation database | Cloud sandbox | Botnet protection | ||
| Single node | Mandatory with purchase | Optional in all three editions | Optional in Premium edition only | ||||
| Active-standby | Mandatory with purchase | ||||||