To achieve public network access for a cloud server without a common public IP, you can use several methods. One common approach is to set up a NAT (Network Address Translation) instance or use a NAT Gateway service. This allows your private instances to access the internet without exposing them directly to the public network.
For example, in Tencent Cloud, you can use the NAT Gateway service. Here’s how it works:
Create a NAT Gateway: You can create a NAT Gateway in the Tencent Cloud Console. This gateway will act as a bridge between your private network and the public internet.
Configure Route Tables: You need to configure the route tables of your subnets to direct outbound traffic to the NAT Gateway.
Assign EIP (Elastic IP): Although your server does not have a public IP, you can assign an Elastic IP (EIP) to the NAT Gateway. This EIP will be used for all outbound traffic from your private instances.
Test Connectivity: Once configured, your private instances can access the internet using the NAT Gateway. You can test this by running a simple command like ping or curl from your private instance to a public IP address or domain.
By using a NAT Gateway, you ensure that your private instances remain secure while still being able to access the internet. This is particularly useful in scenarios where you want to maintain a high level of security and control over your network traffic.
Tencent Cloud’s NAT Gateway service provides a scalable and reliable solution for this need, allowing you to manage your network traffic efficiently.