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ModifyNatSequenceRules

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Last updated: 2025-10-30 21:33:40

1. API Description

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

This API is used to change the sequence number of NAT firewall rules.

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: ModifyNatSequenceRules.
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.
RuleChangeItems.N	Yes	Array of RuleChangeItem	Rule sequence number. Values: `OrderIndex` (Original sequence number), `NewOrderIndex` (New sequence number)
Direction	Yes	Integer	Rule direction. Values: `1` (Inbound) and `0` (Outbound)

3. Output Parameters

Parameter Name	Type	Description
RequestId	String	The unique request ID, which is returned for each request. RequestId is required for locating a problem.

4. Example

Example1 Changing the sequence number of NAT firewall rules

This example shows you how to change the sequence number of NAT firewall rules.

Input Example

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

{
    "RuleChangeItems": [
        {
            "OrderIndex": 0,
            "NewOrderIndex": 0
        }
    ],
    "Direction": 1
}

Output Example

{
    "Response": {
        "RequestId": "xx"
    }
}

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

Tencent Cloud CLI 3.0

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.

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