# DescribeTrafficMirrorFilterRules
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Describe traffic mirror filters that determine the traffic that is mirrored.

## Request Parameters
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The following parameters are for this specific action. For more information about required and optional parameters that are common to all actions, see [Common Query Parameters](CommonParameters.md).

 **DryRun**   
Checks whether you have the required permissions for the action, without actually making the request, and provides an error response. If you have the required permissions, the error response is `DryRunOperation`. Otherwise, it is `UnauthorizedOperation`.  
Type: Boolean  
Required: No

 **Filter.N**   
Traffic mirror filters.  
+  `traffic-mirror-filter-rule-id`: The ID of the Traffic Mirror rule.
+  `traffic-mirror-filter-id`: The ID of the filter that this rule is associated with.
+  `rule-number`: The number of the Traffic Mirror rule.
+  `rule-action`: The action taken on the filtered traffic. Possible actions are `accept` and `reject`.
+  `traffic-direction`: The traffic direction. Possible directions are `ingress` and `egress`.
+  `protocol`: The protocol, for example UDP, assigned to the Traffic Mirror rule.
+  `source-cidr-block`: The source CIDR block assigned to the Traffic Mirror rule.
+  `destination-cidr-block`: The destination CIDR block assigned to the Traffic Mirror rule.
+  `description`: The description of the Traffic Mirror rule.
Type: Array of [Filter](API_Filter.md) objects  
Required: No

 **MaxResults**   
The maximum number of results to return with a single call. To retrieve the remaining results, make another call with the returned `nextToken` value.  
Type: Integer  
Valid Range: Minimum value of 5. Maximum value of 1000.  
Required: No

 **NextToken**   
The token for the next page of results.  
Type: String  
Required: No

 **TrafficMirrorFilterId**   
Traffic filter ID.  
Type: String  
Required: No

 **TrafficMirrorFilterRuleId.N**   
Traffic filter rule IDs.  
Type: Array of strings  
Required: No

## Response Elements
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The following elements are returned by the service.

 **nextToken**   
The token to use to retrieve the next page of results. The value is `null` when there are no more results to return.  
Type: String

 **requestId**   
The ID of the request.  
Type: String

 **trafficMirrorFilterRuleSet**   
Traffic mirror rules.  
Type: Array of [TrafficMirrorFilterRule](API_TrafficMirrorFilterRule.md) objects

## Errors
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For information about the errors that are common to all actions, see [Common client error codes](errors-overview.md#CommonErrors).

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS Command Line Interface V2](https://docs.aws.amazon.com/goto/cli2/ec2-2016-11-15/DescribeTrafficMirrorFilterRules) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/ec2-2016-11-15/DescribeTrafficMirrorFilterRules) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/ec2-2016-11-15/DescribeTrafficMirrorFilterRules) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/ec2-2016-11-15/DescribeTrafficMirrorFilterRules) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/ec2-2016-11-15/DescribeTrafficMirrorFilterRules) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/ec2-2016-11-15/DescribeTrafficMirrorFilterRules) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/ec2-2016-11-15/DescribeTrafficMirrorFilterRules) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/ec2-2016-11-15/DescribeTrafficMirrorFilterRules) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/ec2-2016-11-15/DescribeTrafficMirrorFilterRules) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/ec2-2016-11-15/DescribeTrafficMirrorFilterRules)