NAT Gateway Overview

Available in Classic.

NAT Gateway is a NAT service that connects a customer's server with multiple private IPs inside the cloud platform to communicate with an external server with a public IP address. Multiple servers with private IP addresses can share one NAT Gateway, or you can create multiple NAT Gateways and use separate NAT Gateways for each server group. Security can be enhanced by allowing access only to hosts with external public IP addresses registered in advance by the customer. In addition, by connecting with the Auto Scaling service, newly added servers can be set to automatically use the NAT Gateway.

Various features provided by NAT Gateway

Please see below for detailed descriptions about the various features that NAT Gateway offers.

• Support for various protocols: NAT Gateway service supports IPv4 protocol, and supports ICMP, TCP, and UDP as sub-protocols, allowing you to use various applications.
• Hi-speed infrastructure composed of Hi-Availability (HA): NAT Gateway is designed with an HA structure for all high-speed lines and equipment internally. Even if there is a failure in the NAT Gateway device requested by the customer, access is automatically bypassed in real time through other NAT Gateway devices without changing the representative IP, so that the service can be used stably.
• Easy management settings: You can create a NAT Gateway and conveniently set and manage necessary information in the console of NAVER Cloud Platform. You can change the settings whenever you need, and you can check the setting status at a glance.
• Access target management through peer IP registration: By registering the client's host to be accessed through the NAT Gateway service as a peer IP and allowing access, unexpected access or malicious access using other external IPs can be blocked at the source.

Information on User Guide of NAT Gateway

NAT Gateway provides its services in the Korea region. Please see the following table of contents and their details for smooth use of NAT Gateway.

• NAT Gateway overview: Introduction to NAT Gateway, related supporting resources for use and FAQ Information
• Preparation for using NAT Gateway: The specification environment that NAT Gateway supports and service fee
• NAT Gateway scenario: The entire order of using NAT Gateway
• Classic: How to use NAT Gateway in Classic environment
  • Get starated: How to start using NAT Gateway
    • Subscribe and unsubscribe: How to subscribe to the NAT Gateway service and cancel it
  • Use of NAT Gateway: How to use NAT Gateway with the NAVER Cloud Platform console
    • NAT Gateway: Introduction to the NAT Gateway menu for using NAT Gateway and guidance on how to create, configure, and delete NAT Gateways
    • Peer Host: Introduction to Peer Host menu and instructions on how to create, configure, and delete Peer Hosts
    • External server connection: Information on how to access an external server through NAT Gateway
    • Auto scaling connection: Information on how to set up newly added servers to automatically use NAT Gateway through Auto Scaling
  • Managing NAT Gateway permission: How to manage NAT Gateway permission by using Sub Account
• NAT Gateway terminology: Key terms and explanations you must know when using NAT Gateway
• NAT Gateway release notes: Update history of NAT Gateway user guide

NAT Gateway-related resources

NAVER Cloud Platform provides a variety of related resources as well as the guide to help customers better understand NAT Gateway. If you are a developer or marketer in need of detailed information while you are considering adopting NAT Gateway or establishing data related policies, then make good use of the resources below.

• Improvement in comprehension and usage methods for NAT Gateway
  • Ncloud use environment guide: A guide on VPC and Classic environment and supported features
  • Service Fee, Characteristics, Detailed Functions: A summary of the service fee, characteristics, and detailed functions of NAT Gateway.
  • Latest service news: Latest news related to NAT Gateway
  • FAQ: Frequently asked questions by NAT Gateway users
  • Contact us: Send direct inquiries in case of any unresolved questions that are not answered by the guide.
• Guides for integrated services required for the use of NAT Gateway
  • Sub Account Guide: How to use Sub Accounts that help manage operation permissions of NAT Gateway

Check FAQs first.

You can get your questions answered quickly by referring to the answers in the FAQ before reading the guide. If you haven't found the answer to your question in the FAQ below, then search the guide for what you would like to know.

Q. What is a NAT Gateway?
A. NAT stands for Network Address Translation, and is a method by which multiple hosts on a private network use a single public IP address to access the Internet. A device that handles NAT is called a NAT Gateway.

Q. In what cases is the NAT Gateway service used?
A. Please refer to the following diagram.