The principal in this key policy statement is the account principal, which is represented by an ARN in this format: arn:aws:iam::account-id:root. The account principal represents the AWS account and its administrators. 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 ...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 userAWS 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 ... aws sts assume-role gives AccessDenied. There is a trust set up between the role and Account1 (requiring MFA) I can assume the role in account 2 in the web console without any problems. I can also do aws s3 ls --profile named-profile successfully. However, if I try to run aws sts assume-role with the role arn, I get an error:There are many such parameters. This one happens to give us the account ID, which is crucial for constructing the ARN. Now, the rest is just the creation of an ARN using this account ID. Fn::Join is simply a CloudFormation built-in that allows concatenation of strings.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.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 ...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 ...Dec 27, 2016 · On the role that you want to assume, for example using the STS Java V2 API (not Node), you need to set a trust relationship. In the trust relationship, specify the user to trust. 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. 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.VDOM DHTML tml>. What is “root” in AWS IAM? - Quora. Something went wrong. 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.I am creating two resources AWS Lambda function and Role using cloudformation template. I am using role arn as Environment variable. Later using it in code for S3 connection. But getting exception ...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. VDOM DHTML tml>. What is “root” in AWS IAM? - Quora. Something went wrong.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 ... 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.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.aws-account-id. The AWS account ID of the owner. region. The Region for your load balancer and S3 bucket. yyyy/mm/dd. The date that the log was delivered. load-balancer-id. The resource ID of the load balancer. If the resource ID contains any forward slashes (/), they are replaced with periods (.). end-time"AWS": "arn:aws:iam::account_id:root" If you specify an Amazon Resource Name (ARN) for the principal, the ARN is transformed to a unique principal ID when the policy is saved. For example endpoint policies for gateway endpoints, see the following: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.Feb 7, 2018 · 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. Aug 23, 2021 · In section “AWS account principals” the AWS informs us that when specifying an AWS account, we can use ARN (arn:aws:iam::AWS-account-ID:root), or a shortened form that consists of the AWS: prefix followed by the account ID: KMS and Key Policy. KMS is a managed service for the creation, storage, and management of cryptographic keys. There are many such parameters. This one happens to give us the account ID, which is crucial for constructing the ARN. Now, the rest is just the creation of an ARN using this account ID. Fn::Join is simply a CloudFormation built-in that allows concatenation of strings.On the role that you want to assume, for example using the STS Java V2 API (not Node), you need to set a trust relationship. In the trust relationship, specify the user to trust.However, if I add this to another account created, the permissions for that account and any other IAM users in that account are not having permissions anymore. I am confused. here are the docs for Disallow Creation of Access Keys for the Root User. Update. The way I am implementing the policy is through Organizations SCP.aws-account-id. The AWS account ID of the owner. region. The Region for your load balancer and S3 bucket. yyyy/mm/dd. The date that the log was delivered. load-balancer-id. The resource ID of the load balancer. If the resource ID contains any forward slashes (/), they are replaced with periods (.). end-timeGo to 'Roles' and select the role which requires configuring trust relationship. Click 'Edit trust relationship'. Please replace the account IDs and IAM usernames/roles with your account ID and IAM usernames/roles. Using the "root" option creates a trust relationship with all the IAM users/roles in that account. 5.Background. This resource represents a snapshot for an AWS root user account. This is largely similar to the AWS.IAM.User resource, but with a few added fields. Being a separate resource type also simplifies and optimizes writing policies which apply only to the root account, a common pattern. Feb 7, 2018 · 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. 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 ... 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 ... The principal in this key policy statement is the account principal, which is represented by an ARN in this format: arn:aws:iam::account-id:root. The account principal represents the AWS account and its administrators.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 ... 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.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:Step 3: Attach a policy to users or groups that access AWS Glue. The administrator must assign permissions to any users, groups, or roles using the AWS Glue console or AWS Command Line Interface (AWS CLI). You provide those permissions by using AWS Identity and Access Management (IAM), through policies.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.It is not possible to use wildcard in the trust policy except "Principal" : { "AWS" : "*" }.The reason being when you specify an identity as Principal, you must use the full ARN since IAM translates to the unique ID e.g. AIDAxxx (for IAM user) or AROAxxx (for IAM role). 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. 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? 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. A policy is an object in AWS that, when associated with an identity or resource, defines their permissions. AWS evaluates these policies when an IAM principal (user or role) makes a request. Permissions in the policies determine whether the request is allowed or denied. Most policies are stored in AWS as JSON documents.Dec 27, 2016 · On the role that you want to assume, for example using the STS Java V2 API (not Node), you need to set a trust relationship. In the trust relationship, specify the user to trust. 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 ...The AWS secrets engine generates AWS access credentials dynamically based on IAM policies. This generally makes working with AWS IAM easier, since it does not involve clicking in the web UI. Additionally, the process is codified and mapped to internal auth methods (such as LDAP). The AWS IAM credentials are time-based and are automatically ...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. 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.A policy is an object in AWS that, when associated with an identity or resource, defines their permissions. AWS evaluates these policies when an IAM principal (user or role) makes a request. Permissions in the policies determine whether the request is allowed or denied. Most policies are stored in AWS as JSON documents.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.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.Sep 6, 2019 · In my current terraform configuration I am using a static JSON file and importing into terraform using the file function to create an AWS IAM policy. Terraform code: resource "aws_iam_policy" "example" { policy = "${file("policy.json")}" } AWS IAM Policy definition in JSON file (policy.json): 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 ... To invite an IAM user, enter arn:aws:iam::123456789012:user/MyUser. Replace 123456789012 with your AWS account ID and replace MyUser with the name of the user. To invite the AWS account root user, enter arn:aws:iam::123456789012:root. Replace 123456789012 with your AWS account ID.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 ...Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about TeamsIf 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.VDOM DHTML tml>. What is “root” in AWS IAM? - Quora. Something went wrong.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 ...I am creating two resources AWS Lambda function and Role using cloudformation template. I am using role arn as Environment variable. Later using it in code for S3 connection. But getting exception ...Example with root account accessing "Account": You Need Permissions You don't have permission to access billing information for this account. Contact your AWS administrator if you need help. If you are an AWS administrator, you can provide permissions for your users or groups by making sure that (1) this account allows IAM and federated users ... 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.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. 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 ... 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 ...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.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 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.Sep 6, 2019 · In my current terraform configuration I am using a static JSON file and importing into terraform using the file function to create an AWS IAM policy. Terraform code: resource "aws_iam_policy" "example" { policy = "${file("policy.json")}" } AWS IAM Policy definition in JSON file (policy.json): 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.See the example aws-auth.yaml file from Enabling IAM user and role access to your cluster. 7. Add designated_user to the mapUsers section of the aws-auth.yaml file in step 6, and then save the file. 8. Apply the new configuration to the RBAC configuration of the Amazon EKS cluster: kubectl apply -f aws-auth.yaml. 9. 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 ... 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. A policy is an object in AWS that, when associated with an identity or resource, defines their permissions. AWS evaluates these policies when an IAM principal (user or role) makes a request. Permissions in the policies determine whether the request is allowed or denied. Most policies are stored in AWS as JSON documents.Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about TeamsFrom 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.1 Answer. Sorted by: 2. Role ARNs always have the form arn:aws:iam:: {account number}:role/ {role name}. If you're creating two roles that reference each other, you should template out the ARNS rather than referencing the resources directly. This avoids a circular reference. You can get your account number like this: data "aws_caller_identity ...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.Step 3: Attach a policy to users or groups that access AWS Glue. The administrator must assign permissions to any users, groups, or roles using the AWS Glue console or AWS Command Line Interface (AWS CLI). You provide those permissions by using AWS Identity and Access Management (IAM), through policies.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.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:Use Amazon EC2, S3, and more— free for a full year. Launch Your First App in Minutes. Learn AWS fundamentals and start building with short step-by-step tutorials. Enable Remote Work & Learning. Support remote employees, students and contact center agents. Amazon Lightsail. 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 ... 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.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. 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 ...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 ...
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. . Hawgsports razor
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 ...VDOM DHTML tml>. What is “root” in AWS IAM? - Quora. Something went wrong.AWS ended support for enabling SMS multi-factor authentication (MFA). We recommend that customers who have IAM users that use SMS text message-based MFA switch to one of the following alternative methods: virtual (software-based) MFA device, FIDO security key, or hardware MFA device.Dec 27, 2016 · On the role that you want to assume, for example using the STS Java V2 API (not Node), you need to set a trust relationship. In the trust relationship, specify the user to trust. 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 ... Step 3: Attach a policy to users or groups that access AWS Glue. The administrator must assign permissions to any users, groups, or roles using the AWS Glue console or AWS Command Line Interface (AWS CLI). You provide those permissions by using AWS Identity and Access Management (IAM), through policies.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. 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.AWS S3 deny all access except for 1 user - bucket policy. I have set up a bucket in AWS S3. I granted access to the bucket for my IAM user with an ALLOW policy (Using the Bucket Policy Editor). I was able to save files to the bucket with the user. I have been working with the bucket for media serving before, so it seems the default action is to ...aws sts assume-role gives AccessDenied. There is a trust set up between the role and Account1 (requiring MFA) I can assume the role in account 2 in the web console without any problems. I can also do aws s3 ls --profile named-profile successfully. However, if I try to run aws sts assume-role with the role arn, I get an error: The principal in this key policy statement is the account principal, which is represented by an ARN in this format: arn:aws:iam::account-id:root. The account principal represents the AWS account and its administrators. 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 ...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.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 ....