Cloud Firewall is deployed on Alibaba Cloud.

The following figure shows the logical relationships between Cloud Firewall and some of the Alibaba Cloud products.

relation between Cloud Firewall and Cloud products

Work with other security products such as Web Application Firewall (WAF) and Anti-DDoS Protection

The figure above shows that Cloud Firewall is used to protect the source IP addresses of WAF and Anti-DDoS Protection.

Work with Content Delivery Network (CDN)

Cloud Firewall is used to protect source IP addresses.

Work with Object Storage Service (OSS) and ApsaraDB RDS

Cloud Firewall currently does not support protecting OSS and ApsaraDB RDS instances. This feature will be available in the second half of 2019.

Work with Server Load Balancer (SLB)

SLB instances include internet SLB instances and intranet SLB instances. Cloud Firewall currently does not support protecting internet SLB instances. It only supports protecting intranet SLB instances with EIPs.