Help Center> Data Replication Service> FAQ> Network and Security> How Can I Set a VPC Security Group to Access to an Outside EIP?
How Can I Set a VPC Security Group to Access to an Outside EIP?
By default, a VPC on the current cloud is isolated from external networks for security reasons. You cannot use an EIP outside a VPC (for example, an EIP of another cloud database or an on-premise database) to access DB instances inside the VPC. However, the replication instance or destination database in a VPC needs to connect to an external EIP to migrate data.
Therefore, you need to add an outbound rule to a security group to allow access from specific external EIPs and ports outside the VPC. The outbound rule allows the replication instance EIP to access the destination database EIP. The following figure shows how to add an outbound rule.
Figure 1 Adding an outbound rule
Parent topic: Network and Security
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