It also refers to a full AWS account, not a single IAM user. All users in the account will see the same Canonical ID on the Console. You want to use a Bucket Policy, that's what the JSON you posted here is for. Open the role and edit the trust relationship. Instead of trusting the account, the role must trust the service. For example, update the following Principal element: "Principal": { "AWS": "arn:aws:iam:: 123456789012 :root" } Change the principal to the value for your service, such as IAM.Policies and the root user. The AWS account root user is affected by some policy types but not others. You cannot attach identity-based policies to the root user, and you cannot set the permissions boundary for the root user. However, you can specify the root user as the principal in a resource-based policy or an ACL. Jan 20, 2022 · From what I've understood, EKS manages user and role permissions through a ConfigMap called aws-auth that resides in the kube-system namespace. So despite being logged in with an AWS user with full administrator access to all services, EKS will still limit your access in the console as it can't find the user or role in its authentication configuration. Access denied due to a VPC endpoint policy – implicit denial. Check for a missing Allow statement for the action in your Virtual Private Cloud (VPC) endpoint policies. For the following example, the action is codecommit:ListRepositories. Update your VPC endpoint policy by adding the Allow statement. Troubleshooting key access. The key policy that is attached to the KMS key. The key policy is always defined in the AWS account and Region that owns the KMS key. All IAM policies that are attached to the user or role making the request. IAM policies that govern a principal's use of a KMS key are always defined in the principal's AWS account. To find the ARN of an IAM role, run the [aws iam get-role][2] command or just go and check it from the IAM service in your account web console UI. An AWS account ID; The string "*" to represent all users; Additionally, review the Principal elements in the policy and check that they're formatted correctly. If the Principal is one user, the ... If you attach the required permissions to the IAM entity, then any principal in the AWS account 111122223333 has root access to the KMS key. Resolution. You can prevent IAM entities from accessing the KMS key and allow the root user account to manage the key. This also prevents the root user account from losing access to the KMS key.In the menu bar in the AWS Cloud9 IDE, do one of the following. Choose Window, Share. Choose Share (located next to the Preferences gear icon). In the Share this environment dialog box, for Invite Members, type one of the following. To invite an IAM user, enter the name of the user. Open the IAM console. In the navigation pane, choose Account settings. Under Security Token Service (STS) section Session Tokens from the STS endpoints. The Global endpoint indicates Valid only in AWS Regions enabled by default. Choose Change. In the Change region compatibility dialog box, select All AWS Regions. Go to IAM. Go to Roles. Choose Create role. When asked to select which service the role is for, select EC2 and choose Next:Permissions . You will change this to AWS Control Tower later. When asked to attach policies, choose AdministratorAccess. Choose Next:Tags. You may see an optional screen titled Add tags. ARNs are constructed from identifiers that specify the service, Region, account, and other information. There are three ARN formats: arn:aws: service: region: account-id: resource-id arn:aws: service: region: account-id: resource-type / resource-id arn:aws: service: region: account-id: resource-type: resource-id.To use the IAM API to list your uploaded server certificates, send a ListServerCertificates request. The following example shows how to do this with the AWS CLI. aws iam list- server -certificates. When the preceding command is successful, it returns a list that contains metadata about each certificate.Nov 17, 2022 · Typical AWS evaluation of access (opens in a new tab) to a resource is done via AWS’s policy evaluation logic that evaluates the request context, evaluates whether the actions are within a single account or cross-account (opens in a new tab) (between 2 distinct AWS accounts), and evaluating identity-based policies with resource-based policies ... Another common action typo is the inclusion of unnecessary text in ARNs, such as arn:aws:s3: : :*, or missing colons in actions, such as iam.CreateUser. You can evaluate a policy that might include typos by choosing Next to review the policy summary and confirm whether the policy provides the permissions you intended.Sign in. Root user. Account owner that performs tasks requiring unrestricted access. Learn more. IAM user. User within an account that performs daily tasks. Learn more.You can create root user access keys with the IAM console, AWS CLI, or AWS API. A newly created access key has the status of active, which means that you can use the access key for CLI and API calls. You are limited to two access keys for each IAM user, which is useful when you want to rotate the access keys. The aws_iam_role.assume_role resource references the aws_iam_policy_document.assume_role for its assume_role_policy argument, allowing the entities specified in that policy to assume this role.Troubleshooting key access. When authorizing access to a KMS key, AWS KMS evaluates the following: The key policy that is attached to the KMS key. The key policy is always defined in the AWS account and Region that owns the KMS key. All IAM policies that are attached to the user or role making the request.Aug 6, 2020 · Can you write an s3 bucket policy that will deny access to all principals except a particular IAM role and AWS service role (e.g. billingreports.amazonaws.com).. I have tried using 'Deny' with 'NotPrincipal', but none of the below examples work as I don't think the ability to have multiple types of principals is supported by AWS? At this year's AWS re:Inforce, session IAM433, AWS Sr. Solutions Architect Matt Luttrell and AWS Sr. Software Engineer for IAM Access Analyzer Dan Peebles delved into some of AWS IAM’s most arcane edge cases – and why they behave as they do. The session took a deep dive into AWS IAM internal evaluation mechanisms never shared before and ...If you have 2FA enabled. You need to generate session token using this command aws sts get-session-token --serial-number arn-of-the-mfa-device --token-code code-from-token. arn-of-the-mfa-device can be found in your profile, 2FA section. Token, is generated token from the device.Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brandTo manage the access keys of an IAM user from the AWS API, call the following operations. To create an access key: CreateAccessKey. To deactivate or activate an access key: UpdateAccessKey. To list a user's access keys: ListAccessKeys. To determine when an access key was most recently used: GetAccessKeyLastUsed.When the principal in a key policy statement is an AWS account principal expressed as arn:aws:iam::111122223333:root", the policy statement doesn't give permission to any IAM principal. Instead, it gives the AWS account permission to use IAM policies to delegate the permissions specified in the key policy.From what I've understood, EKS manages user and role permissions through a ConfigMap called aws-auth that resides in the kube-system namespace. So despite being logged in with an AWS user with full administrator access to all services, EKS will still limit your access in the console as it can't find the user or role in its authentication configuration.The account ID on the AWS console. This is a 12-digit number such as 123456789012 It is used to construct Amazon Resource Names (ARNs). When referring to resources such as an IAM user or a Glacier vault, the account ID distinguishes these resources from those in other AWS accounts. Acceptable value: Account ID. For example, if the they obtained temporary security credentials by assuming a role, this element provides information about the assumed role. If they obtained credentials with root or IAM user credentials to call AWS STS GetFederationToken, the element provides information about the root account or IAM user. This element has the following ...Since I can't use wildcards in the NotPrincipal element, I need the full assumed-role ARN of the Lambda once it assumes the role. UPDATE: I tried using two conditions to deny all requests where the ARN does not match the ARN of the Lambda role or assumed role. The Lambda role is still denied from writing to S3 using the IAM policy simulator.AWS Identity and Access Management. AWS Identity and Access Management (IAM) is a web service for securely controlling access to AWS services. With IAM, you can centrally manage users, security credentials such as access keys, and permissions that control which AWS resources users and applications can access. You can allow users from one AWS account to access resources in another AWS account. To do this, create a role that defines who can access it and what permissions it grants to users that switch to it. In this step of the tutorial, you create the role in the Production account and specify the Development account as a trusted entity. You can create root user access keys with the IAM console, AWS CLI, or AWS API. A newly created access key has the status of active, which means that you can use the access key for CLI and API calls. You are limited to two access keys for each IAM user, which is useful when you want to rotate the access keys. To allow users to assume the current role again within a role session, specify the role ARN or AWS account ARN as a principal in the role trust policy. AWS services that provide compute resources such as Amazon EC2, Amazon ECS, Amazon EKS, and Lambda provide temporary credentials and automatically rotate these credentials. Steps to Enable MFA Delete Feature. Create S3 bucket. Make sure you have Root User Account Keys for CLI access. Configure AWS CLI with root account credentials. List and Verify Versioning enabled for the Bucket. List the Virtual MFA Devices for Root Account. Enable MFA Delete on Bucket. Test MFA Delete.In the root account, I have a verified domain identity that I used to create an email identity for transactional emails. Now, I created a new IAM account. I would like to attach a policy to this IAM account that allows it to create a verified email identity using that verified domain identity in the root account.Using AWS CLI. Run the list-virtual-MFA-devices command (OSX/Linux/UNIX) using custom query filters to return the ARN of the active virtual MFA device assigned to your AWS root:; aws iam list ...The way you sign in to AWS depends on what type of AWS user you are. There are different types of AWS users. You can be an account root user, an IAM user, a user in IAM Identity Center, a federated identity, or use AWS Builder ID. For more information, see User types. You can access AWS by signing in with any of following methods: To find the ARN of an IAM role, run the [aws iam get-role][2] command or just go and check it from the IAM service in your account web console UI. An AWS account ID; The string "*" to represent all users; Additionally, review the Principal elements in the policy and check that they're formatted correctly. If the Principal is one user, the ...At this year's AWS re:Inforce, session IAM433, AWS Sr. Solutions Architect Matt Luttrell and AWS Sr. Software Engineer for IAM Access Analyzer Dan Peebles delved into some of AWS IAM’s most arcane edge cases – and why they behave as they do. The session took a deep dive into AWS IAM internal evaluation mechanisms never shared before and ...Policies and the root user. The AWS account root user is affected by some policy types but not others. You cannot attach identity-based policies to the root user, and you cannot set the permissions boundary for the root user. However, you can specify the root user as the principal in a resource-based policy or an ACL. The permissions that are required to administer IAM groups, users, roles, and credentials usually correspond to the API actions for the task. For example, in order to create IAM users, you must have the iam:CreateUser permission that has the corresponding API command: CreateUser. To allow an IAM user to create other IAM users, you could attach ...Nov 3, 2022 · In a trust policy, the Principal element indicates which other principals can assume the IAM role. In the preceding example, 111122223333 represents the AWS account number for the auditor’s AWS account. This allows a principal in the 111122223333 account with sts:AssumeRole permissions to assume this role. To allow a specific IAM role to ... In the search box, type AWSElasticBeanstalk to filter the policies. In the list of policies, select the check box next to AWSElasticBeanstalkReadOnly or AdministratorAccess-AWSElasticBeanstalk. Choose Policy actions, and then choose Attach. Select one or more users and groups to attach the policy to.Mar 11, 2022 · Steps to Enable MFA Delete Feature. Create S3 bucket. Make sure you have Root User Account Keys for CLI access. Configure AWS CLI with root account credentials. List and Verify Versioning enabled for the Bucket. List the Virtual MFA Devices for Root Account. Enable MFA Delete on Bucket. Test MFA Delete. Managing organizational units. PDF RSS. You can use organizational units (OUs) to group accounts together to administer as a single unit. This greatly simplifies the management of your accounts. For example, you can attach a policy-based control to an OU, and all accounts within the OU automatically inherit the policy.An ARN for an IAM user might look like the following: arn:aws:iam::account-ID-without-hyphens:user/Richard. A unique identifier for the IAM user. This ID is returned only when you use the API, Tools for Windows PowerShell, or AWS CLI to create the IAM user; you do not see this ID in the console.Amazon Resource Names (ARNs) uniquely identify AWS resources. We require an ARN when you need to specify a resource unambiguously across all of AWS, such as in IAM policies, Amazon Relational Database Service (Amazon RDS) tags, and API calls. ARN format. The following are the general formats for ARNs.Mainly there are four different way to setup the access via cli when cluster was created via IAM role. 1. Setting up the role directly in kubeconfig file.In the search box, type AWSElasticBeanstalk to filter the policies. In the list of policies, select the check box next to AWSElasticBeanstalkReadOnly or AdministratorAccess-AWSElasticBeanstalk. Choose Policy actions, and then choose Attach. Select one or more users and groups to attach the policy to. Access denied due to a VPC endpoint policy – implicit denial. Check for a missing Allow statement for the action in your Virtual Private Cloud (VPC) endpoint policies. For the following example, the action is codecommit:ListRepositories. Update your VPC endpoint policy by adding the Allow statement.To find the ARN of an IAM role, run the [aws iam get-role][2] command or just go and check it from the IAM service in your account web console UI. An AWS account ID; The string "*" to represent all users; Additionally, review the Principal elements in the policy and check that they're formatted correctly. If the Principal is one user, the ... As per the documentation, you will be required to add "sts:GetServiceBearerToken" access in your access policy as well.. The codeartifact:GetAuthorizationToken and sts:GetServiceBearerToken permissions are required to call the GetAuthorizationToken API.Open the IAM console. In the navigation pane, choose Account settings. Under Security Token Service (STS) section Session Tokens from the STS endpoints. The Global endpoint indicates Valid only in AWS Regions enabled by default. Choose Change. In the Change region compatibility dialog box, select All AWS Regions. Topics Friendly names and paths IAM ARNs Unique identifiers Friendly names and paths When you create a user, a role, a user group, or a policy, or when you upload a server certificate, you give it a friendly name. Examples include Bob, TestApp1, Developers, ManageCredentialsPermissions, or ProdServerCert. Logging IAM and AWS STS API calls with AWS CloudTrail. IAM and AWS STS are integrated with AWS CloudTrail, a service that provides a record of actions taken by an IAM user or role. CloudTrail captures all API calls for IAM and AWS STS as events, including calls from the console and from API calls. If you create a trail, you can enable ...The alias ARN is the Amazon Resource Name (ARN) of an AWS KMS alias. It is a unique, fully qualified identifier for the alias, and for the KMS key it represents. An alias ARN includes the AWS account, Region, and the alias name. At any given time, an alias ARN identifies one particular KMS key. When the principal in a key policy statement is an AWS account principal expressed as arn:aws:iam::111122223333:root", the policy statement doesn't give permission to any IAM principal. Instead, it gives the AWS account permission to use IAM policies to delegate the permissions specified in the key policy.Using "Principal" : {"AWS" : "*" } with an Allow effect in a resource-based policy allows any root user, IAM user, assumed-role session, or federated user in any account in the same partition to access your resource. For anonymous users, these two methods are equivalent. For more information, see All principals in the IAM User Guide. First, check the credentials or role specified in your application code. Run the following command on the EMR cluster's master node. Replace s3://doc-example-bucket/abc/ with your Amazon S3 path. aws s3 ls s3://doc-example-bucket/abc/. If this command is successful, then the credentials or role specified in your application code are causing the ...Can you write an s3 bucket policy that will deny access to all principals except a particular IAM role and AWS service role (e.g. billingreports.amazonaws.com).. I have tried using 'Deny' with 'NotPrincipal', but none of the below examples work as I don't think the ability to have multiple types of principals is supported by AWS?VDOM DHTML tml>. What is “root” in AWS IAM? - Quora. Something went wrong. For example, if the they obtained temporary security credentials by assuming a role, this element provides information about the assumed role. If they obtained credentials with root or IAM user credentials to call AWS STS GetFederationToken, the element provides information about the root account or IAM user. This element has the following ...Open the IAM console. In the navigation pane, choose Account settings. Under Security Token Service (STS) section Session Tokens from the STS endpoints. The Global endpoint indicates Valid only in AWS Regions enabled by default. Choose Change. In the Change region compatibility dialog box, select All AWS Regions.To find the ARN of an IAM role, run the [aws iam get-role][2] command or just go and check it from the IAM service in your account web console UI. An AWS account ID; The string "*" to represent all users; Additionally, review the Principal elements in the policy and check that they're formatted correctly. If the Principal is one user, the ...Aug 6, 2020 · Can you write an s3 bucket policy that will deny access to all principals except a particular IAM role and AWS service role (e.g. billingreports.amazonaws.com).. I have tried using 'Deny' with 'NotPrincipal', but none of the below examples work as I don't think the ability to have multiple types of principals is supported by AWS? You must add permissions that allow specific AWS principals to create an interface VPC endpoint to connect to your endpoint service. To add permissions for an AWS principal, you need its Amazon Resource Name (ARN). The following list includes the ARNs for several example AWS principals.From what I've understood, EKS manages user and role permissions through a ConfigMap called aws-auth that resides in the kube-system namespace. So despite being logged in with an AWS user with full administrator access to all services, EKS will still limit your access in the console as it can't find the user or role in its authentication configuration.For example, AWS recommends that you use multi-factor authentication (MFA) to increase the security of your account. To learn more, see Multi-factor authentication in the AWS IAM Identity Center (successor to AWS Single Sign-On) User Guide and Using multi-factor authentication (MFA) in AWS in the IAM User Guide. AWS account root userIf you attach the required permissions to the IAM entity, then any principal in the AWS account 111122223333 has root access to the KMS key. Resolution. You can prevent IAM entities from accessing the KMS key and allow the root user account to manage the key. This also prevents the root user account from losing access to the KMS key.Open the IAM console. In the navigation pane, choose Account settings. Under Security Token Service (STS) section Session Tokens from the STS endpoints. The Global endpoint indicates Valid only in AWS Regions enabled by default. Choose Change. In the Change region compatibility dialog box, select All AWS Regions. Access denied due to a VPC endpoint policy – implicit denial. Check for a missing Allow statement for the action in your Virtual Private Cloud (VPC) endpoint policies. For the following example, the action is codecommit:ListRepositories. Update your VPC endpoint policy by adding the Allow statement.First, check the credentials or role specified in your application code. Run the following command on the EMR cluster's master node. Replace s3://doc-example-bucket/abc/ with your Amazon S3 path. aws s3 ls s3://doc-example-bucket/abc/. If this command is successful, then the credentials or role specified in your application code are causing the ...CloudTrail logs attempts to sign in to the AWS Management Console, the AWS Discussion Forums, and the AWS Support Center. All IAM user and root user sign-in events, as well as all federated user sign-in events, generate records in CloudTrail log files. AWS Management Console sign-in events are global service events.IAM ARNs. Most resources have a friendly name for example, a user named Bob or a user group named Developers. However, the permissions policy language requires you to specify the resource or resources using the following Amazon Resource Name (ARN) format. arn: partition: service: region: account: resource. Where:Aug 23, 2022 · Using AWS CLI. Run the list-virtual-MFA-devices command (OSX/Linux/UNIX) using custom query filters to return the ARN of the active virtual MFA device assigned to your AWS root:; aws iam list ... PrincipalにルートユーザのARNが指定されており、ここでARNが示すものは「アカウントID 123456789012のアカウント内のIAMユーザ、ロール」です。. 余談ですが、ルートユーザはスイッチロールができません。. AWS アカウントのルートユーザー としてサインインする ...Another common action typo is the inclusion of unnecessary text in ARNs, such as arn:aws:s3: : :*, or missing colons in actions, such as iam.CreateUser. You can evaluate a policy that might include typos by choosing Next to review the policy summary and confirm whether the policy provides the permissions you intended.PrincipalにルートユーザのARNが指定されており、ここでARNが示すものは「アカウントID 123456789012のアカウント内のIAMユーザ、ロール」です。. 余談ですが、ルートユーザはスイッチロールができません。. AWS アカウントのルートユーザー としてサインインする ...As per the documentation, you will be required to add "sts:GetServiceBearerToken" access in your access policy as well.. The codeartifact:GetAuthorizationToken and sts:GetServiceBearerToken permissions are required to call the GetAuthorizationToken API.For example, a principal similar to arn:aws:iam::123456789012:root allows all IAM identities of the account to assume that role. For more information, see Creating a role to delegate permissions to an IAM user . When the principal in a key policy statement is an AWS account principal expressed as arn:aws:iam::111122223333:root", the policy statement doesn't give permission to any IAM principal. Instead, it gives the AWS account permission to use IAM policies to delegate the permissions specified in the key policy.To use the IAM API to list your uploaded server certificates, send a ListServerCertificates request. The following example shows how to do this with the AWS CLI. aws iam list- server -certificates. When the preceding command is successful, it returns a list that contains metadata about each certificate.For Actions, start typing AssumeRole in the Filter box and then select the check box next to it when it appears. Choose Resources, ensure that Specific is selected and then choose Add ARN. Enter the AWS member account ID number and then enter the name of the role that you previously created in steps 1–8. Choose Add.Using "Principal" : {"AWS" : "*" } with an Allow effect in a resource-based policy allows any root user, IAM user, assumed-role session, or federated user in any account in the same partition to access your resource. For anonymous users, these two methods are equivalent. For more information, see All principals in the IAM User Guide. Typical AWS evaluation of access (opens in a new tab) to a resource is done via AWS’s policy evaluation logic that evaluates the request context, evaluates whether the actions are within a single account or cross-account (opens in a new tab) (between 2 distinct AWS accounts), and evaluating identity-based policies with resource-based policies ...VDOM DHTML tml>. What is “root” in AWS IAM? - Quora. Something went wrong.Feb 17, 2021 · Wildcards ahead. All AWS IAM identities (users, groups, roles) and many other AWS resources (e.g. S3 buckets, SNS Topics, etc) rely on IAM policies to define their permissions. It is often necessary (or desirable) to create policies that match to multiple resources, especially when the resource names include a hash or random component that is ... The alias ARN is the Amazon Resource Name (ARN) of an AWS KMS alias. It is a unique, fully qualified identifier for the alias, and for the KMS key it represents. An alias ARN includes the AWS account, Region, and the alias name. At any given time, an alias ARN identifies one particular KMS key.AWS CLI: aws iam list-virtual-mfa-devices. AWS API: ListVirtualMFADevices. In the response, locate the ARN of the virtual MFA device for the user you are trying to fix. Delete the virtual MFA device. AWS CLI: aws iam delete-virtual-mfa-device. AWS API: DeleteVirtualMFADevice.Using "Principal" : {"AWS" : "*" } with an Allow effect in a resource-based policy allows any root user, IAM user, assumed-role session, or federated user in any account in the same partition to access your resource. For anonymous users, these two methods are equivalent. For more information, see All principals in the IAM User Guide.Jul 6, 2021 · Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand
To manage the access keys of an IAM user from the AWS API, call the following operations. To create an access key: CreateAccessKey. To deactivate or activate an access key: UpdateAccessKey. To list a user's access keys: ListAccessKeys. To determine when an access key was most recently used: GetAccessKeyLastUsed.. Everest men
If you create a new alias for your AWS account, the new alias overwrites the previous alias, and the URL containing the previous alias stops working. The account alias must contain only digits, lowercase letters, and hyphens. For more information on limitations on AWS account entities, see IAM and AWS STS quotas.The following example bucket policy shows how to mix IPv4 and IPv6 address ranges to cover all of your organization's valid IP addresses. The example policy allows access to the example IP addresses 192.0.2.1 and 2001:DB8:1234:5678::1 and denies access to the addresses 203.0.113.1 and 2001:DB8:1234:5678:ABCD::1. AWS CLI: aws iam list-virtual-mfa-devices. AWS API: ListVirtualMFADevices. In the response, locate the ARN of the virtual MFA device for the user you are trying to fix. Delete the virtual MFA device. AWS CLI: aws iam delete-virtual-mfa-device. AWS API: DeleteVirtualMFADevice.It represents the account, so yes it us both the account root user (non-IAM) and since IAM users, roles exist under the account this as a Principal will also mean all calls authenticated by the account. This predates the existence of IAM. Many people mistakenly use Principal: “*” which means any AWS authenticated credential in any account ... When the principal in a key policy statement is an AWS account principal expressed as arn:aws:iam::111122223333:root", the policy statement doesn't give permission to any IAM principal. Instead, it gives the AWS account permission to use IAM policies to delegate the permissions specified in the key policy.To get the ARN of an IAM user, call the get-user command, or choose the IAM user name in the Users section of the IAM console and then find the User ARN value in the Summary section. If this option is not specified, CodeDeploy will create an IAM user on your behalf in your AWS account and associate it with the on-premises instance.From what I've understood, EKS manages user and role permissions through a ConfigMap called aws-auth that resides in the kube-system namespace. So despite being logged in with an AWS user with full administrator access to all services, EKS will still limit your access in the console as it can't find the user or role in its authentication configuration.The account ID on the AWS console. This is a 12-digit number such as 123456789012 It is used to construct Amazon Resource Names (ARNs). When referring to resources such as an IAM user or a Glacier vault, the account ID distinguishes these resources from those in other AWS accounts. Acceptable value: Account ID. Policies and the root user. The AWS account root user is affected by some policy types but not others. You cannot attach identity-based policies to the root user, and you cannot set the permissions boundary for the root user. However, you can specify the root user as the principal in a resource-based policy or an ACL. If you create a new alias for your AWS account, the new alias overwrites the previous alias, and the URL containing the previous alias stops working. The account alias must contain only digits, lowercase letters, and hyphens. For more information on limitations on AWS account entities, see IAM and AWS STS quotas.AWS account root user – The request context contains the following value for condition key aws:PrincipalArn. When you specify the root user ARN as the value for the aws:PrincipalArn condition key, it limits permissions only for the root user of the AWS account. This is different from specifying the root user ARN in the principal element of a ... Wildcards are supported at the end of the ARN, e.g., "arn:aws:iam::123456789012:*" will match any IAM principal in the AWS account 123456789012. When resolve_aws_unique_ids is false and you are binding to IAM roles (as opposed to users) and you are not using a wildcard at the end, then you must specify the ARN by omitting any path component ...Managing organizational units. PDF RSS. You can use organizational units (OUs) to group accounts together to administer as a single unit. This greatly simplifies the management of your accounts. For example, you can attach a policy-based control to an OU, and all accounts within the OU automatically inherit the policy..