# NatGatewayAttachment
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The definition and status of the attachment between a proxy mode firewall and a NAT gateway that proxies its traffic. 

## Contents
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 ** NatGatewayId **   <a name="networkfirewall-Type-NatGatewayAttachment-NatGatewayId"></a>
A unique identifier for the NAT gateway to use with proxy resources.  
Type: String  
Length Constraints: Minimum length of 1.  
Required: Yes

 ** Status **   <a name="networkfirewall-Type-NatGatewayAttachment-Status"></a>
The current status of the NAT gateway attachment.   
When this value is `READY`, the attachment is available to proxy traffic. Otherwise, this value reflects its state, for example `CREATING` or `DELETING`.  
Type: String  
Valid Values: `CREATING | READY | UPDATING | FAILED | DELETING`   
Required: Yes

 ** DnsName **   <a name="networkfirewall-Type-NatGatewayAttachment-DnsName"></a>
The DNS name that resolves to the firewall's proxy for traffic sent through this NAT gateway attachment.   
Type: String  
Required: No

 ** StatusMessage **   <a name="networkfirewall-Type-NatGatewayAttachment-StatusMessage"></a>
If Network Firewall encounters an issue with the NAT gateway attachment, it populates this with an explanation of the problem.   
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 256.  
Pattern: `^[a-zA-Z0-9- ]+$`   
Required: No

## 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 SDK for C\+\+](https://docs.aws.amazon.com/goto/SdkForCpp/network-firewall-2020-11-12/NatGatewayAttachment) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/network-firewall-2020-11-12/NatGatewayAttachment) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/network-firewall-2020-11-12/NatGatewayAttachment)