Help & DocumentationVirtual Private CloudAPI DocumentationVPC API 2017APIs for NAT GatewayModify a Port Forwarding Rule

Modify a Port Forwarding Rule

Last updated: 2019-12-02 11:07:53

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Contents：

1. API Description

This API (ModifyDnaptRule) is used to modify port forwarding rules for a NAT gateway.
Domain name for API requests: vpc.api.qcloud.com

Before using this API, please go to NAT Gateway Description to learn about the features of NAT gateways.

2. Input Parameters

The following request parameter list only provides API request parameters. Common request parameters are required when the API is called. For more information, see the Common Request Parameters page. The Action field for this API is ModifyDnaptRule.

Parameter name Required Type Description
vpcId Yes String VPC ID, for example: vpc-8e0ypm3z.
natId Yes String NAT gateway ID, for example: nat-dqbak2vy.
oldProto Yes String Original protocol, optional values: tcp and udp.
oldEip Yes String Original external IP address, namely the associated elastic IP address.
oldEport Yes String Original external port number.
proto No String New protocol, optional values: tcp and udp.
eip No String New external IP address, namely the associated elastic IP address.
eport No String New external port number.
pip No String New internal IP address.
pport No String New internal port number.
description No String New rule description.

3. Output Parameters

Parameter name Type Description
code Int Error code. 0: Successful, other values: Failed.
message string Error message.

4. Error Codes

The following error codes only include business logic error codes for this API. For additional common error codes, see VPC Error Codes.

Error code Description
29151 The length of the description exceeded the limit.
29152 Rule conflict occurred because the elastic IP address already exists.
29153 The internal IP address has not been bound to any instance.
-3325 The elastic IP address does not exist.
-3326 The internal IP address is not within the VPC.
-3327 Rule conflict occurred because the internal IP address already exists.
-3328 The maximum number of port forwarding rules has been reached.
-3344 The internal IP address is not within the CVM.

5. Example

Input

https://vpc.api.qcloud.com/v2/index.php?Action=ModifyDnaptRule
&<Common Request Parameters>
&vpcId=vpc-d8vg6rev
&natId=nat-k6npdayk
&oldProto=tcp
&oldEip=139.199.232.178
&oldEport=303
&proto=tcp
&eip=139.199.232.178
&eport=304
&pip=10.90.90.11
&pport=304
&description=test

Output

{
    "code": "0",
    "message": ""
}