tencent cloud

云防火墙

动态与公告
产品动态
引擎更新动态
产品公告
新手指引
产品简介
产品概述
产品优势
应用场景
相关概念
支持地域
云防火墙高可用说明
购买指南
计费概述
购买方式
计费模式
续费说明
欠费说明
退费说明
操作指南
防火墙开关
资产中心
告警中心
流量中心
访问控制
入侵防御
全流量检测与响应
网络蜜罐
日志审计
日志分析
日志投递
日志字段
通知及设置相关
常用工具
实践教程
云防火墙与其他产品的联合防护
DNS 防火墙最佳实践
云防火墙防挖矿实践教程
VPC 间防火墙实践教程
故障处理
云防火墙误报误拦截应急预案
API 文档
History
Introduction
API Category
Making API Requests
Intrusion Defense APIs
Access Control APIs
Other APIs
Enterprise Security Group APIs
Firewall Status APIs
Data Types
Error Codes
常见问题
基本介绍
带宽相关
防火墙相关
功能相关
日志相关
账号相关
计费相关
其他
服务等级协议
CFW 政策
隐私协议
数据处理和安全协议
文档云防火墙API 文档Other APIsCreateNatFwInstanceWithDomain

CreateNatFwInstanceWithDomain

PDF
聚焦模式
字号
最后更新时间: 2025-10-30 21:33:47

1. API Description

Domain name for API request: cfw.intl.tencentcloudapi.com.

This API is used to create a firewall instance with domain name (The Region parameter is required).

A maximum of 20 requests can be initiated per second for this API.

We recommend you to use API Explorer
Try it
API Explorer provides a range of capabilities, including online call, signature authentication, SDK code generation, and API quick search. It enables you to view the request, response, and auto-generated examples.

2. Input Parameters

The following request parameter list only provides API request parameters and some common parameters. For the complete common parameter list, see Common Request Parameters.

Parameter Name Required Type Description
Action Yes String Common Params. The value used for this API: CreateNatFwInstanceWithDomain.
Version Yes String Common Params. The value used for this API: 2019-09-04.
Region No String Common Params. This parameter is not required for this API.
Name Yes String Firewall instance name
Width Yes Integer Bandwidth
Mode Yes Integer Mode. 1: use existing; 0: create new
NewModeItems No NewModeItems Parameter passed for the Create New mode. Either NewModeItems or NatgwList is required.
NatGwList.N No Array of String NAT gateway list for the Using Existing mode. Either NewModeItems or NatgwList is required.
Zone No String Primary zone. The default zone is selected if it is empty.
ZoneBak No String Secondary zone. The default zone is selected if it is empty.
CrossAZone No Integer Remote disaster recovery. 1: enable; 0: disable; empty: disable by default
IsCreateDomain No Integer 0: not create; 1: create
Domain No String Required for creating a domain name
FwCidrInfo No FwCidrInfo IP range of the firewall

3. Output Parameters

Parameter Name Type Description
CfwInsId String NAT instance info
Note: This field may return null, indicating that no valid value was found.
RequestId String The unique request ID, which is returned for each request. RequestId is required for locating a problem.

4. Example

Example1 Creating a firewall instance with domain name

This example shows you how to apply the "Use existing" mode.

Input Example

POST / HTTP/1.1
Host: cfw.intl.tencentcloudapi.com
Content-Type: application/json
X-TC-Action: CreateNatFwInstanceWithDomain
<Common request parameters>

{
    "Name": "test",
    "Width": 20,
    "Mode": 0,
    "CrossAZone": 1,
    "NatGwList": [
        "nat-xxx",
        "nat-xxx"
    ],
    "Zone": "ap-shanghai-4",
    "ZoneBak": "ap-shanghai-3"
}

Output Example

{
    "Response": {
        "CfwInsId": "xxx",
        "RequestId": "3c140219-cfe9-470e-b241-907877d6fb03"
    }
}

Example2 CreateNatFwInstanceWithDomain

This example shows you how to apply the "Create New" mode.

Input Example

POST / HTTP/1.1
Host: cfw.intl.tencentcloudapi.com
Content-Type: application/json
X-TC-Action: CreateNatFwInstanceWithDomain
<Common request parameters>

{
    "Name": "test",
    "Width": 20,
    "Mode": 1,
    "CrossAZone": 1,
    "NewModeItems": {
        "VpcList": [
            "vpc-xxx"
        ],
        "Eips": [
            "xx.xx.xx.xx"
        ],
        "AddCount": 1
    },
    "Zone": "ap-shanghai-4",
    "ZoneBak": "ap-shanghai-3"
}

Output Example

{
    "Response": {
        "CfwInsId": "xxx",
        "RequestId": "3c140219-cfe9-470e-b241-907877d6fb03"
    }
}

5. Developer Resources

SDK

TencentCloud API 3.0 integrates SDKs that support various programming languages to make it easier for you to call APIs.

Command Line Interface

6. Error Code

The following only lists the error codes related to the API business logic. For other error codes, see Common Error Codes.

Error Code Description
AuthFailure CAM signature/authentication error.
DryRunOperation DryRun operation, which means the DryRun parameter is passed in yet the request will still be successful.
FailedOperation Operation failed.
InternalError Internal error.
InvalidParameter Invalid parameter.
InvalidParameterValue Invalid parameter value.
LimitExceeded The quota limit has been reached.
MissingParameter Missing parameter.
OperationDenied Operation denied.
RequestLimitExceeded The number of requests exceeds the frequency limit.
ResourceInUse The resource is occupied.
ResourceInsufficient Insufficient resource.
ResourceNotFound The resource does not exist.
ResourceUnavailable The resource is unavailable.
ResourcesSoldOut The resources have been sold out.
UnauthorizedOperation Unauthorized operation.
UnknownParameter Unknown parameter error.
UnsupportedOperation Unsupported operation.

帮助和支持

本页内容是否解决了您的问题?

填写满意度调查问卷,共创更好文档体验。

文档反馈