# Public NAT Instance

Public NAT instance trên GreenNode là một dịch vụ mạng cho phép các instance trong private subnet giao tiếp với các dịch vụ ngoài internet và chặn các truy cập từ internet vào những instance này.


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.vngcloud.vn/vng-cloud-document/vn/vnetwork/public-nat-instance.md?ask=<question>
```

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Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.