Help Center> Elastic Load Balance> FAQ> Backend Server> How Do I Check the Network Configuration of a Backend Server?
How Do I Check the Network Configuration of a Backend Server?
- Check whether the security group of the server is correctly configured.
- On the server details page, view the security group.
- Check whether the security group allows access from IP addresses in 100.125.0.0/16. If access is not allowed, add inbound rules for 100.125.0.0/16.
- Ensure that the network ACLs of the subnet where the server resides does not intercept the traffic.
In the left navigation pane on the VPC console, choose Access Control> Network ACLs and check whether the subnet allows traffic.
Parent topic: Backend Server
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