Types of VPC endpoints Restrictions and limitations of AWS PrivateLink for Amazon S3 Creating a VPC endpoint Accessing Amazon S3 interface endpoints Private DNS Accessing buckets, access points, and Amazon S3 Control API operations from S3 interface endpoints Updating an on-premises DNS configuration Creating a VPC endpoint policy

AWS PrivateLink for Amazon S3

With AWS PrivateLink for Amazon S3, you can provision interface VPC endpoints (interface endpoints) in your virtual private cloud (VPC). These endpoints are directly accessible from applications that are on premises over VPN and AWS Direct Connect, or in a different AWS Region over VPC peering.

Interface endpoints are represented by one or more elastic network interfaces (ENIs) that are assigned private IP addresses from subnets in your VPC. Requests to Amazon S3 over interface endpoints stay on the Amazon network. You can also access interface endpoints in your VPC from on-premises applications through AWS Direct Connect or AWS Virtual Private Network (AWS VPN). For more information about how to connect your VPC with your on-premises network, see the AWS Direct Connect User Guide and the AWS Site-to-Site VPN User Guide.

For general information about interface endpoints, see Interface VPC endpoints (AWS PrivateLink) in the AWS PrivateLink Guide.

Topics

Types of VPC endpoints for Amazon S3
Restrictions and limitations of AWS PrivateLink for Amazon S3
Creating a VPC endpoint
Accessing Amazon S3 interface endpoints
Private DNS
Accessing buckets, access points, and Amazon S3 Control API operations from S3 interface endpoints
Updating an on-premises DNS configuration
Creating a VPC endpoint policy for Amazon S3

Types of VPC endpoints for Amazon S3

You can use two types of VPC endpoints to access Amazon S3: gateway endpoints and interface endpoints (by using AWS PrivateLink). A gateway endpoint is a gateway that you specify in your route table to access Amazon S3 from your VPC over the AWS network. Interface endpoints extend the functionality of gateway endpoints by using private IP addresses to route requests to Amazon S3 from within your VPC, on premises, or from a VPC in another AWS Region by using VPC peering or AWS Transit Gateway. For more information, see What is VPC peering? and Transit Gateway vs VPC peering.

Interface endpoints are compatible with gateway endpoints. If you have an existing gateway endpoint in the VPC, you can use both types of endpoints in the same VPC.

Gateway endpoints for Amazon S3	Interface endpoints for Amazon S3
In both cases, your network traffic remains on the AWS network.
Use Amazon S3 public IP addresses	Use private IP addresses from your VPC to access Amazon S3
Use the same Amazon S3 DNS names	Require endpoint-specific Amazon S3 DNS names
Do not allow access from on premises	Allow access from on premises
Do not allow access from another AWS Region	Allow access from a VPC in another AWS Region by using VPC peering or AWS Transit Gateway
Not billed	Billed

For more information about gateway endpoints, see Gateway VPC endpoints in the AWS PrivateLink Guide.

Restrictions and limitations of AWS PrivateLink for Amazon S3

VPC limitations apply to AWS PrivateLink for Amazon S3. For more information, see Interface endpoint considerations and AWS PrivateLink quotas in the AWS PrivateLink Guide. In addition, the following restrictions apply.

AWS PrivateLink for Amazon S3 does not support the following:

Federal Information Processing Standard (FIPS) endpoints
Website endpoints
Legacy global endpoints
S3 dash Region endpoints
Using CopyObject or UploadPartCopy between buckets in different AWS Regions
Transport Layer Security (TLS) 1.1

Creating a VPC endpoint

To create a VPC interface endpoint, see Create a VPC endpoint in the AWS PrivateLink Guide.

Accessing Amazon S3 interface endpoints

When you create an interface endpoint, Amazon S3 generates two types of endpoint-specific, S3 DNS names: Regional and zonal.

A Regional DNS name includes a unique VPC endpoint ID, a service identifier, the AWS Region, and vpce.amazonaws.com in its name. For example, for VPC endpoint ID vpce-1a2b3c4d, the DNS name generated might be similar to vpce-1a2b3c4d-5e6f.s3.us-east-1.vpce.amazonaws.com.
A Zonal DNS name includes the Availability Zone—for example, vpce-1a2b3c4d-5e6f-us-east-1a.s3.us-east-1.vpce.amazonaws.com. You might use this option if your architecture isolates Availability Zones. For example, you could use it for fault containment or to reduce Regional data transfer costs.

Endpoint-specific S3 DNS names can be resolved from the S3 public DNS domain.

Private DNS

Private DNS options for VPC interface endpoints simplify routing S3 traffic over VPC endpoints and help you take advantage of the lowest-cost network path available to your application. You can use private DNS options to route Regional S3 traffic without updating your S3 clients to use the endpoint-specific DNS names of your interface endpoints, or managing DNS infrastructure. With private DNS names enabled, Regional S3 DNS queries resolve to the private IP addresses of AWS PrivateLink for the following endpoints:

Regional bucket endpoints (for example, s3.us-east-1.amazonaws.com)
Control endpoints (for example, s3-control.us-east-1.amazonaws.com)
Access point endpoints (for example, s3-accesspoint.us-east-1.amazonaws.com)

If you have a gateway endpoint in your VPC, you can automatically route in-VPC requests over your existing S3 gateway endpoint and on-premises requests over your interface endpoint. This approach allows you to optimize your networking costs by using gateway endpoints, which are not billed, for your in-VPC traffic. Your on-premises applications can use AWS PrivateLink with the help of the inbound Resolver endpoint. Amazon provides a DNS server, called the Route 53 Resolver, for your VPC. An inbound Resolver endpoint forwards DNS queries from the on-premises network to Route 53 Resolver.

Important

To take advantage of the lowest cost network path when using Enable private DNS only for inbound endpoints, a gateway endpoint must be present in your VPC. The presence of a gateway endpoint helps ensure that in-VPC traffic always routes over the AWS private network when the Enable private DNS only for inbound endpoints option is selected. You must maintain this gateway endpoint while you have the Enable private DNS only for inbound endpoints option selected. If you want to delete your gateway endpoint you must first clear Enable private DNS only for inbound endpoints.

If you want to update an existing interface endpoint to Enable private DNS only for inbound endpoints, first confirm that your VPC has an S3 gateway endpoint. For more information about gateway endpoints and managing private DNS names, see Gateway VPC endpoints and Manage DNS names respectively in the AWS PrivateLink Guide.

The Enable private DNS only for inbound endpoints option is available only for services that support gateway endpoints.

For more information about creating a VPC endpoint that uses Enable private DNS only for inbound endpoints, see Create an interface endpoint in the AWS PrivateLink Guide.

Using the VPC console

In the console you have two options: Enable DNS name and Enable private DNS only for inbound endpoints. Enable DNS name is an option supported by AWS PrivateLink. By using the Enable DNS name option, you can use Amazon’s private connectivity to Amazon S3, while making requests to the default public endpoint DNS names. When this option is enabled, customers can take advantage of the lowest cost network path available to their application.

When you enable private DNS names on an existing or new VPC interface endpoint for Amazon S3, the Enable private DNS only for inbound endpoints option is selected by default. If this option is selected, your applications use only interface endpoints for your on-premises traffic. This in-VPC traffic automatically uses the lower-cost gateway endpoints. Alternatively, you can clear Enable private DNS only for inbound endpoints to route all S3 requests over your interface endpoint.

Using the AWS CLI

If you don't specify a value for PrivateDnsOnlyForInboundResolverEndpoint, it will default to true. However, before your VPC applies your settings, it performs a check to make sure that you have a gateway endpoint present in the VPC. If a gateway endpoint is present in the VPC, the call succeeds. If not, you will see the following error message:

To set PrivateDnsOnlyForInboundResolverEndpoint to true, the VPC vpce_id must have a gateway endpoint for the service.

For a new VPC Interface endpoint

Use the private-dns-enabled and dns-options attributes to enable private DNS through the command line. The PrivateDnsOnlyForInboundResolverEndpoint option in the dns-options attribute must be set to true. Replace the user input placeholders with your own information.



aws ec2 create-vpc-endpoint \
--region us-east-1 \
--service-name s3-service-name \
--vpc-id client-vpc-id \
--subnet-ids client-subnet-id \ 
--vpc-endpoint-type Interface  \
--private-dns-enabled  \
--ip-address-type ip-address-type \ 
--dns-options PrivateDnsOnlyForInboundResolverEndpoint=true \
--security-group-ids client-sg-id

For an existing VPC endpoint

If you want to use private DNS for an existing VPC endpoint, use the following example command and replace the user input placeholders with your own information.



aws ec2 modify-vpc-endpoint \
--region us-east-1 \
--vpc-endpoint-id client-vpc-id \
--private-dns-enabled \
--dns-options PrivateDnsOnlyForInboundResolverEndpoint=false

If you want to update an existing VPC endpoint to enable private DNS only for the Inbound Resolver, use the following example and replace the sample values with your own.



aws ec2 modify-vpc-endpoint \
--region us-east-1 \
--vpc-endpoint-id client-vpc-id \
--private-dns-enabled \
--dns-options PrivateDnsOnlyForInboundResolverEndpoint=true

Accessing buckets, access points, and Amazon S3 Control API operations from S3 interface endpoints

You can use the AWS CLI or AWS SDKs to access buckets, S3 access points, and Amazon S3 Control API operations through S3 interface endpoints.

The following image shows the VPC console Details tab, where you can find the DNS name of a VPC endpoint. In this example, the VPC endpoint ID (vpce-id) is vpce-0e25b8cdd720f900e and the DNS name is *.vpce-0e25b8cdd720f900e-argc85vg.s3.us-east-1.vpce.amazonaws.com.

When using the DNS name to access a resource, replace * with the appropriate value. The appropriate values to use in place of * are as follows:

bucket
accesspoint
control

For example, to access a bucket, use a DNS name like this:

bucket.vpce-0e25b8cdd720f900e-argc85vg.s3.us-east-1.vpce.amazonaws.com

For examples of how to use DNS names to access buckets, access points, and Amazon S3 Control API operations, see the following sections of AWS CLI examples and AWS SDK examples.

For more information about how to view your endpoint-specific DNS names, see Viewing endpoint service private DNS name configuration in the VPC User Guide.

AWS CLI examples

To access S3 buckets, S3 access points, or Amazon S3 Control API operations through S3 interface endpoints in AWS CLI commands, use the --region and --endpoint-url parameters.

Example: Use an endpoint URL to list objects in your bucket

In the following example, replace the bucket name my-bucket, Region us-east-1, and the DNS name of the VPC endpoint ID vpce-1a2b3c4d-5e6f.s3.us-east-1.vpce.amazonaws.com with your own information.


aws s3 ls s3://my-bucket/ --region us-east-1 --endpoint-url https://bucket.vpce-1a2b3c4d-5e6f.s3.us-east-1.vpce.amazonaws.com

Example: Use an endpoint URL to list objects from an access point

Method 1 – Using the Amazon Resource Name (ARN) of the access point with the access point endpoint

Replace the ARN us-east-1:123456789012:accesspoint/accesspointexamplename, the Region us-east-1, and the VPC endpoint ID vpce-1a2b3c4d-5e6f.s3.us-east-1.vpce.amazonaws.com with your own information.
```
aws s3api list-objects-v2 --bucket arn:aws:s3:us-east-1:123456789012:accesspoint/accesspointexamplename --region us-east-1 --endpoint-url https://accesspoint.vpce-1a2b3c4d-5e6f.s3.us-east-1.vpce.amazonaws.com
```
If you can't run the command successfully, update your AWS CLI to the latest version and try again. For more information on the update instructions, see Installing or updating the latest version of the AWS CLI in the AWS Command Line Interface User Guide.
Method 2 – Using the alias of the access point with the regional bucket endpoint

In the following example, replace the access point alias accesspointexamplename-8tyekmigicmhun8n9kwpfur39dnw4use1a-s3alias, the Region us-east-1, and the VPC endpoint ID vpce-1a2b3c4d-5e6f.s3.us-east-1.vpce.amazonaws.com with your own information.
```
aws s3api list-objects-v2 --bucket accesspointexamplename-8tyekmigicmhun8n9kwpfur39dnw4use1a-s3alias --region us-east-1 --endpoint-url https://bucket.vpce-1a2b3c4d-5e6f.s3.us-east-1.vpce.amazonaws.com
```
Method 3 – Using the alias of the access point with the access point endpoint

First, to construct an S3 endpoint with the bucket included as part of the hostname, set the addressing style to virtual for aws s3api to use. For more information about AWS configure, see Configuration and credential file settings in the AWS Command Line Interface User Guide.
```
aws configure set default.s3.addressing_style virtual
```
Then, in the following example, replace the access point alias accesspointexamplename-8tyekmigicmhun8n9kwpfur39dnw4use1a-s3alias, the Region us-east-1, and the VPC endpoint ID vpce-1a2b3c4d-5e6f.s3.us-east-1.vpce.amazonaws.com with your own information. For more information about access point alias, see Using a bucket-style alias for your S3 bucket access point
```
aws s3api list-objects-v2 --bucket accesspointexamplename-8tyekmigicmhun8n9kwpfur39dnw4use1a-s3alias --region us-east-1 --endpoint-url https://accesspoint.vpce-1a2b3c4d-5e6f.s3.us-east-1.vpce.amazonaws.com
```

Example: Use an endpoint URL to list jobs with an S3 control API operation

In the following example, replace the Region us-east-1, the VPC endpoint ID vpce-1a2b3c4d-5e6f.s3.us-east-1.vpce.amazonaws.com, and the account ID 12345678 with your own information.


aws s3control --region us-east-1 --endpoint-url https://control.vpce-1a2b3c4d-5e6f.s3.us-east-1.vpce.amazonaws.com list-jobs --account-id 12345678

AWS SDK examples

To access S3 buckets, S3 access points, or Amazon S3 Control API operations through S3 interface endpoints when using the AWS SDKs, update your SDKs to the latest version. Then configure your clients to use an endpoint URL for accessing a bucket, access point, or Amazon S3 Control API operations through S3 interface endpoints.

SDK for Python (Boto3)

Example: Use an endpoint URL to access an S3 bucket

In the following example, replace the Region us-east-1 and VPC endpoint ID vpce-1a2b3c4d-5e6f.s3.us-east-1.vpce.amazonaws.com with your own information.


s3_client = session.client(
service_name='s3',
region_name='us-east-1',
endpoint_url='https://bucket.vpce-1a2b3c4d-5e6f.s3.us-east-1.vpce.amazonaws.com'
)

Example: Use an endpoint URL to access an S3 access point

In the following example, replace the Region us-east-1 and VPC endpoint ID vpce-1a2b3c4d-5e6f.s3.us-east-1.vpce.amazonaws.com with your own information.


ap_client = session.client(
service_name='s3',
region_name='us-east-1',
endpoint_url='https://accesspoint.vpce-1a2b3c4d-5e6f.s3.us-east-1.vpce.amazonaws.com'
)

Example: Use an endpoint URL to access the Amazon S3 Control API

In the following example, replace the Region us-east-1 and VPC endpoint ID vpce-1a2b3c4d-5e6f.s3.us-east-1.vpce.amazonaws.com with your own information.


control_client = session.client(
service_name='s3control',
region_name='us-east-1',
endpoint_url='https://control.vpce-1a2b3c4d-5e6f.s3.us-east-1.vpce.amazonaws.com'
)

SDK for Java 1.x

Example: Use an endpoint URL to access an S3 bucket

In the following example, replace the VPC endpoint ID vpce-1a2b3c4d-5e6f.s3.us-east-1.vpce.amazonaws.com with your own information.


// bucket client
final AmazonS3 s3 = AmazonS3ClientBuilder.standard().withEndpointConfiguration(
        new AwsClientBuilder.EndpointConfiguration(
                "https://bucket.vpce-1a2b3c4d-5e6f.s3.us-east-1.vpce.amazonaws.com",
                Regions.DEFAULT_REGION.getName()
        )
).build();
List<Bucket> buckets = s3.listBuckets();

Example: Use an endpoint URL to access an S3 access point

In the following example, replace the VPC endpoint ID vpce-1a2b3c4d-5e6f.s3.us-east-1.vpce.amazonaws.com and ARN us-east-1:123456789012:accesspoint/prod with your own information.


// accesspoint client
final AmazonS3 s3accesspoint = AmazonS3ClientBuilder.standard().withEndpointConfiguration(
        new AwsClientBuilder.EndpointConfiguration(
                "https://accesspoint.vpce-1a2b3c4d-5e6f.s3.us-east-1.vpce.amazonaws.com",
                Regions.DEFAULT_REGION.getName()
        )
).build();
ObjectListing objects = s3accesspoint.listObjects("arn:aws:s3:us-east-1:123456789012:accesspoint/prod");

Example: Use an endpoint URL to access an Amazon S3 Control API operation

In the following example, replace the VPC endpoint ID vpce-1a2b3c4d-5e6f.s3.us-east-1.vpce.amazonaws.com with your own information.


// control client
final AWSS3Control s3control = AWSS3ControlClient.builder().withEndpointConfiguration(
        new AwsClientBuilder.EndpointConfiguration(
                "https://control.vpce-1a2b3c4d-5e6f.s3.us-east-1.vpce.amazonaws.com",
                Regions.DEFAULT_REGION.getName()
        )
).build();
final ListJobsResult jobs = s3control.listJobs(new ListJobsRequest());

SDK for Java 2.x

Example: Use an endpoint URL to access an S3 bucket

In the following example, replace the VPC endpoint ID vpce-1a2b3c4d-5e6f.s3.us-east-1.vpce.amazonaws.com and the Region Region.US_EAST_1 with your own information.


// bucket client
Region region = Region.US_EAST_1;
s3Client = S3Client.builder().region(region)
                   .endpointOverride(URI.create("https://bucket.vpce-1a2b3c4d-5e6f.s3.us-east-1.vpce.amazonaws.com"))
                   .build()

Example: Use an endpoint URL to access an S3 access point

In the following example, replace the VPC endpoint ID vpce-1a2b3c4d-5e6f.s3.us-east-1.vpce.amazonaws.com and the Region Region.US_EAST_1 with your own information.


// accesspoint client
Region region = Region.US_EAST_1;
s3Client = S3Client.builder().region(region)
                   .endpointOverride(URI.create("https://accesspoint.vpce-1a2b3c4d-5e6f.s3.us-east-1.vpce.amazonaws.com"))
                   .build()

Example: Use an endpoint URL to access the Amazon S3 Control API

In the following example, replace the VPC endpoint ID vpce-1a2b3c4d-5e6f.s3.us-east-1.vpce.amazonaws.com and the Region Region.US_EAST_1 with your own information.


// control client
Region region = Region.US_EAST_1;
s3ControlClient = S3ControlClient.builder().region(region)
                                 .endpointOverride(URI.create("https://control.vpce-1a2b3c4d-5e6f.s3.us-east-1.vpce.amazonaws.com"))
                                 .build()

Updating an on-premises DNS configuration

When using endpoint-specific DNS names to access the interface endpoints for Amazon S3, you don’t have to update your on-premises DNS resolver. You can resolve the endpoint-specific DNS name with the private IP address of the interface endpoint from the public Amazon S3 DNS domain.

Using interface endpoints to access Amazon S3 without a gateway endpoint or an internet gateway in the VPC

Interface endpoints in your VPC can route both in-VPC applications and on-premises applications to Amazon S3 over the Amazon network, as illustrated in the following diagram.

Data flow diagram showing access from on-premises and in-VPC apps to Amazon S3 by
using an interface endpoint and AWS PrivateLink.

The diagram illustrates the following:

Your on-premises network uses AWS Direct Connect or AWS VPN to connect to VPC A.
Your applications on-premises and in VPC A use endpoint-specific DNS names to access Amazon S3 through the S3 interface endpoint.
On-premises applications send data to the interface endpoint in the VPC through AWS Direct Connect (or AWS VPN). AWS PrivateLink moves the data from the interface endpoint to Amazon S3 over the AWS network.
In-VPC applications also send traffic to the interface endpoint. AWS PrivateLink moves the data from the interface endpoint to Amazon S3 over the AWS network.

Using gateway endpoints and interface endpoints together in the same VPC to access Amazon S3

You can create interface endpoints and retain the existing gateway endpoint in the same VPC, as the following diagram shows. By taking this approach, you allow in-VPC applications to continue accessing Amazon S3 through the gateway endpoint, which is not billed. Then, only your on-premises applications would use interface endpoints to access Amazon S3. To access Amazon S3 this way, you must update your on-premises applications to use endpoint-specific DNS names for Amazon S3.

Data-flow diagram showing access to Amazon S3 by using gateway endpoints and interface
endpoints together.

The diagram illustrates the following:

On-premises applications use endpoint-specific DNS names to send data to the interface endpoint within the VPC through AWS Direct Connect (or AWS VPN). AWS PrivateLink moves the data from the interface endpoint to Amazon S3 over the AWS network.
Using default Regional Amazon S3 names, in-VPC applications send data to the gateway endpoint that connects to Amazon S3 over the AWS network.

For more information about gateway endpoints, see Gateway VPC endpoints in the VPC User Guide.

Creating a VPC endpoint policy for Amazon S3

You can attach an endpoint policy to your VPC endpoint that controls access to Amazon S3. The policy specifies the following information:

The AWS Identity and Access Management (IAM) principal that can perform actions
The actions that can be performed
The resources on which actions can be performed

You can also use Amazon S3 bucket policies to restrict access to specific buckets from a specific VPC endpoint by using the aws:sourceVpce condition in your bucket policy. The following examples show policies that restrict access to a bucket or to an endpoint.

Topics

Example: Restricting access to a specific bucket from a VPC endpoint
Example: Restricting access to buckets in a specific account from a VPC endpoint
Example: Restricting access to a specific VPC endpoint in the S3 bucket policy

Example: Restricting access to a specific bucket from a VPC endpoint

You can create an endpoint policy that restricts access to only specific Amazon S3 buckets. This type of policy is useful if you have other AWS services in your VPC that use buckets. The following bucket policy restricts access to only the DOC-EXAMPLE-BUCKET1. To use this endpoint policy, replace DOC-EXAMPLE-BUCKET1 with the name of your bucket.


{
  "Version": "2012-10-17",
  "Id": "Policy1415115909151",
  "Statement": [
    { "Sid": "Access-to-specific-bucket-only",
      "Principal": "*",
      "Action": [
        "s3:GetObject",
        "s3:PutObject"
      ],
      "Effect": "Allow",
      "Resource": ["arn:aws:s3:::DOC-EXAMPLE-BUCKET1",
                   "arn:aws:s3:::DOC-EXAMPLE-BUCKET1/*"]
    }
  ]
}

Example: Restricting access to buckets in a specific account from a VPC endpoint

You can create an endpoint policy that restricts access to only the S3 buckets in a specific AWS account. To prevent clients within your VPC from accessing buckets that you don't own, use the following statement in your endpoint policy. The following example statement creates a policy that restricts access to resources owned by a single AWS account ID, 111122223333.


{
  "Statement": [
    {
      "Sid": "Access-to-bucket-in-specific-account-only",
      "Principal": "*",
      "Action": [
        "s3:GetObject",
        "s3:PutObject"
      ],
      "Effect": "Deny",
      "Resource": "arn:aws:s3:::*",
      "Condition": {
        "StringNotEquals": {
          "aws:ResourceAccount": "111122223333"
        }
      }
    }
  ]
}

Note

To specify the AWS account ID of the resource being accessed, you can use either the aws:ResourceAccount or the s3:ResourceAccount key in your IAM policy. However, be aware that some AWS services rely on access to AWS managed buckets. Therefore, using the aws:ResourceAccount or s3:ResourceAccount key in your IAM policy might also affect access to these resources.

Example: Restricting access to a specific VPC endpoint in the S3 bucket policy

Example: Restricting access to a specific VPC endpoint in the S3 bucket policy

The following Amazon S3 bucket policy allows access to a specific bucket, DOC-EXAMPLE-BUCKET2, from only the VPC endpoint vpce-1a2b3c4d. The policy denies all access to the bucket if the specified endpoint is not being used. The aws:sourceVpce condition specifies the endpoint and doesn't require an Amazon Resource Name (ARN) for the VPC endpoint resource, only the endpoint ID. To use this bucket policy, replace DOC-EXAMPLE-BUCKET2 and vpce-1a2b3c4d with your bucket name and endpoint.

Important

When applying the following Amazon S3 bucket policy to restrict access to only certain VPC endpoints, you might block your access to the bucket without intending to do so. Bucket policies that are intended to specifically limit bucket access to connections originating from your VPC endpoint can block all connections to the bucket. For information about how to fix this issue, see My bucket policy has the wrong VPC or VPC endpoint ID. How can I fix the policy so that I can access the bucket? in the AWS Support Knowledge Center.
Before using the following example policy, replace the VPC endpoint ID with an appropriate value for your use case. Otherwise, you won't be able to access your bucket.
This policy disables console access to the specified bucket, because console requests don't originate from the specified VPC endpoint.


{
  "Version": "2012-10-17",
  "Id": "Policy1415115909152",
  "Statement": [
    { "Sid": "Access-to-specific-VPCE-only",
      "Principal": "*",
      "Action": "s3:*",
      "Effect": "Deny",
      "Resource": ["arn:aws:s3:::DOC-EXAMPLE-BUCKET2",
                   "arn:aws:s3:::DOC-EXAMPLE-BUCKET2/*"],
      "Condition": {"StringNotEquals": {"aws:sourceVpce": "vpce-1a2b3c4d"}}
    }
  ]
}

For more policy examples, see Endpoints for Amazon S3 in the VPC User Guide.

For more information about VPC connectivity, see Network-to-VPC connectivity options in the AWS whitepaper Amazon Virtual Private Cloud Connectivity Options.

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