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By Service Protected

By Implementation

Service Control PoliciesConfig RulesAuto Remediation RulesConformance PacksAmazon GuardDutyAmazon InspectorAWS Security HubAWS Network FirewallRoute53 Resolver SecurityAmazon MacieS3 Bucket PoliciesCloudWatch Alarms and Event RulesAWS WAFAWS Secrets ManagerAWS Systems ManagerSecurity Groups & NACLsAWS KMSAWS SSOIAM PoliciesVPC Endpoint PoliciesCloudFormation Guard RulesLoad BalancersRDS Event SubscriptionsAWS Resource Access Manager (RAM)

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Other

Service Control Policies

Prevent Any VPC That Doesn't Already Have Internet Access from Getting It

This SCP prevents users or roles in any affected account from changing the configuration of your Amazon EC2 virtual private clouds (VPCs) to grant them direct access to the internet. It doesn't block existing direct access or any access that routes through your on-premises network environment.

The SCP limits intenet connectivity through the following:

  • Prevents attaching IPv4 and IPv6 Internet Gateways (IGW) to allow direct internet access to the VPC.
  • Prevents creating VPC Peering connections which might allow indirect internet access through another VPC that has it.
  • Prevents modifications of Global Accelerator configuration which can allow internet access to private VPC resources directly.

See Related Configuration Items for a Configuration Package to deploy multiple SCPs to an AWS Account.

Configuration template includes a CloudFormation custom resource to deploy into an AWS account.

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AWS Documentation: Example Service Control Policies
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{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Action": [
                "ec2:AttachInternetGateway",
                "ec2:CreateInternetGateway",
                "ec2:AttachEgressOnlyInternetGateway",
                "ec2:CreateVpcPeeringConnection",
                "ec2:AcceptVpcPeeringConnection"
            ],
            "Resource": "*",
            "Effect": "Deny"
        },
        {
            "Action": [
                "globalaccelerator:Create*",
                "globalaccelerator:Update*"
            ],
            "Resource": "*",
            "Effect": "Deny"
        }
    ]
}

Actions



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Custom VPC Template
A configuration package to deploy an Amazon VPC with predefined presets to select: Subnet Tiers (Public and Private), Availability Zones, and Internet Connectivity. Configuration includes Subnets, Routing Tables, Internet Gateway, Nat Gateways, and Security Groups
Configuration Package
Service Control Policies Package
A configuration package to deploy common Service Control Policies (SCPs) in the master account of an AWS Organization
Configuration Package
Custom VPC Template
A configuration package to deploy an Amazon VPC with predefined presets to select: Subnet Tiers (Public and Private), Availability Zones, and Internet Connectivity. Configuration includes Subnets, Routing Tables, Internet Gateway, Nat Gateways, and Security Groups
Configuration Package
Service Control Policies Package
A configuration package to deploy common Service Control Policies (SCPs) in the master account of an AWS Organization
Configuration Package