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Network management team Enterprise Router, Domain Name Service (DNS), NAT Gateway, Elastic IP (EIP), Virtual Private Cloud (VPC), Direct Connect, Cloud Connect, Virtual Private Network (VPN), Cloud Firewall (CFW), Web Application Firewall (WAF), and Anti-DDoS Service (AAD) SecMaster
NAT Gateway (NAT): An NAT gateway sits between the Internet and your VPC. It hides the IP addresses of internal networks, reducing the risk of attacks on virtual environments. Elastic Load Balance (ELB) distributes traffic across multiple backend nodes.
EIP can be flexibly bound to or unbound from resources such as ECSs, BMSs, virtual IP addresses, load balancers, and NAT gateways.
Related cloud services and tools Virtual Private Cloud (VPC) NAT Gateway SecMaster: Cloud service baseline inspection Parent topic: SEC04 Network Security
For production with high bandwidth needs, use a VPC with a NAT gateway. If functions do not need to access the network, you are advised not to configure a VPC. For details, see Configuring the Network.
For example, use ELB, NAT Gateway, and WAF for public network access. Restrict access to external IP addresses through network ports using security groups and NAT gateways to reduce security risks.
