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DescribeFirewallRules

Last updated: 2022-09-26 17:00:24

1. API Description

Domain name for API request: lighthouse.tencentcloudapi.com.

This API is used to query the firewall rules of an instance.

A maximum of 10 requests can be initiated per second for this API.

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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: DescribeFirewallRules.
Version Yes String Common Params. The value used for this API: 2020-03-24.
Region Yes String Common Params. For more information, please see the list of regions supported by the product.
InstanceId Yes String Instance ID.
Offset No Integer Offset. Default value: 0.
Limit No Integer Number of returned results. Default value: 20. Maximum value: 100.

3. Output Parameters

Parameter Name Type Description
TotalCount Integer Number of eligible firewall rules.
FirewallRuleSet Array of FirewallRuleInfo Firewall rule details list.
FirewallVersion Integer Firewall version number.
RequestId String The unique request ID, which is returned for each request. RequestId is required for locating a problem.

4. Example

Example1 Querying all the firewall rules of instance

Input Example

https://lighthouse.tencentcloudapi.com/?Action=DescribeFirewallRules
&InstanceId=lhins-aglzynfg
&<Common request parameters>

Output Example

{
    "Response": {
        "FirewallRuleSet": [
            {
                "Action": "DROP",
                "AppType": "Custom",
                "CidrBlock": "0.0.0.0/0",
                "FirewallRuleDescription": "",
                "Port": "22,88",
                "Protocol": "TCP"
            },
            {
                "Action": "ACCEPT",
                "AppType": "Custom",
                "CidrBlock": "0.0.0.0/0",
                "FirewallRuleDescription": "test",
                "Port": "88",
                "Protocol": "TCP"
            },
            {
                "Action": "ACCEPT",
                "AppType": "HTTP(80)",
                "CidrBlock": "0.0.0.0/0",
                "FirewallRuleDescription": "test",
                "Port": "80",
                "Protocol": "TCP"
            },
            {
                "Action": "ACCEPT",
                "AppType": "HTTPS(443)",
                "CidrBlock": "0.0.0.0/0",
                "FirewallRuleDescription": "Allow web service HTTPS (443), such as Apache and Nginx",
                "Port": "443",
                "Protocol": "TCP"
            }
        ],
        "FirewallVersion": 1,
        "RequestId": "afa0c876-336a-4ed6-ad01-89b3b2632207",
        "TotalCount": 4
    }
}

Example2 Querying certain firewall rules of instance

Input Example

https://lighthouse.tencentcloudapi.com/?Action=DescribeFirewallRules
&InstanceId=lhins-aglzynfg
&Offset=0
&Limit=1
&<Common request parameters>

Output Example

{
    "Response": {
        "FirewallRuleSet": [
            {
                "Action": "DROP",
                "AppType": "Custom",
                "CidrBlock": "0.0.0.0/0",
                "FirewallRuleDescription": "",
                "Port": "22,88",
                "Protocol": "TCP"
            }
        ],
        "FirewallVersion": 1,
        "RequestId": "31522fb9-fef8-4190-9080-deba504c36ae",
        "TotalCount": 4
    }
}

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
InvalidParameterValue.InstanceIdMalformed Invalid parameter value: the instance ID format is invalid.
InvalidParameterValue.Negative Invalid parametric value: it cannot be negative.
InvalidParameterValue.OutOfRange Invalid parametric value: it is not within the valid range.
ResourceNotFound.FirewallNotFound The firewall does not exist.
ResourceNotFound.InstanceIdNotFound The instance ID does not exist.
UnauthorizedOperation.NoPermission No permission
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