In Amazon Web Services (AWS), there are two different privileged accounts. One is defined as Root User (Account owner) and the other is defined as an IAM (Identity Access Management) User. In this blog, I will break down the differences of an AWS Root User versus an IAM account, when to use one account versus the other, and best practices for ...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 ... 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-timeIn 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.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. In AWS I have three accounts: root, staging and production (let's focus only on root & staging account) in single organization. The root account has one IAM user terraform (with AdministratorAccess policy) which is used by terraform to provisioning all stuff. The image of organization structureIf 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.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 ...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 ... We require an ARN when you need to specify a resource unambiguously across all of AWS, such as in IAM policies, Amazon S3 bucket names, and API calls. In AWS GovCloud (US) Regions, ARNs have an identifier that is different from the one in other standard AWS Regions. For all other standard regions, ARNs begin with: For the AWS GovCloud (US-West ...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.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 ...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.VDOM DHTML tml>. What is “root” in AWS IAM? - Quora. Something went wrong.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.Jul 3, 2019 · 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. 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.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 ... 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.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 .Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brandIt 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 ... 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): 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).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. SSE-KMS. If the objects in the S3 bucket origin are encrypted using server-side encryption with AWS Key Management Service (SSE-KMS), you must make sure that the OAC has permission to use the AWS KMS key.Jul 3, 2019 · 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 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.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: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.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.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.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.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. 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. 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. 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. 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 ...Oct 17, 2012 · 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 ... 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. 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.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.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. Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brandThe 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.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 ... You can allow users or roles in a different AWS account to use a KMS key in your account. Cross-account access requires permission in the key policy of the KMS key and in an IAM policy in the external user's account. Cross-account permission is effective only for the following operations: Cryptographic operations.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. 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). 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 ...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-timeAWS 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.You can allow users or roles in a different AWS account to use a KMS key in your account. Cross-account access requires permission in the key policy of the KMS key and in an IAM policy in the external user's account. Cross-account permission is effective only for the following operations: Cryptographic operations.EDIT: you'll need two "Resources" on the policy for it to do what you intend: arn:aws:s3:::bucketname and arn:aws:s3:::bucketname/*. Actions like GetObject or PutObject need the extra slash and asterisk for them to work (they work at the object level, not at the bucket level)The following are the general formats for ARNs. The specific formats depend on the resource. To use an ARN, replace the italicized text with the resource-specific information. Be aware that the ARNs for some resources omit the Region, the account ID, or both the Region and the account ID. 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. 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.Sep 6, 2020 · Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about Teams 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.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 ... Find your AWS account ID. You can find the AWS account ID using either the AWS Management Console or the AWS Command Line Interface (AWS CLI). In the console, the location of the account ID depends on whether you're signed in as the root user or an IAM user. The account ID is the same whether you're signed in as the root user or an IAM user.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 ... 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 ...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 ...Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about Teams"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: In Amazon Web Services (AWS), there are two different privileged accounts. One is defined as Root User (Account owner) and the other is defined as an IAM (Identity Access Management) User. In this blog, I will break down the differences of an AWS Root User versus an IAM account, when to use one account versus the other, and best practices for ...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.Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand"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: 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. 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 ...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 ...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 ... 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. 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 . 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. 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-timeAWS 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.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.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.SSE-KMS. If the objects in the S3 bucket origin are encrypted using server-side encryption with AWS Key Management Service (SSE-KMS), you must make sure that the OAC has permission to use the AWS KMS key.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):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 ...Go 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.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. Find your AWS account ID. You can find the AWS account ID using either the AWS Management Console or the AWS Command Line Interface (AWS CLI). In the console, the location of the account ID depends on whether you're signed in as the root user or an IAM user. The account ID is the same whether you're signed in as the root user or an IAM user.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.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.
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. . Dakota and iowa railroad
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 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. 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.Jul 3, 2019 · 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. 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 ...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. For more information about these identifiers, see IAM identifiers. IAM users and credentials All principals More information Specifying a principal You specify a principal in the Principal element of a resource-based policy or in condition keys that support principals. You can specify any of the following principals in a policy: AWS account and root user IAM roles Role sessions IAM users Federated user sessions AWS services All principals 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.An entity in AWS that can perform actions and access resources. A principal can be an AWS account root user, an IAM user, or a role. You can grant permissions to access a resource in one of two ways: Trust policy. A document in JSON format in which you define who is allowed to assume the role. This trusted entity is included in the policy as ...Elastic Load Balancing provides access logs that capture detailed information about requests sent to your load balancer. Each log contains information such as the time the request was received, the client's IP address, latencies, request paths, and server responses. You can use these access logs to analyze traffic patterns and troubleshoot issues. 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. 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.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.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 ...With IAM identity-based policies, you can specify allowed or denied actions and resources as well as the conditions under which actions are allowed or denied. Security Hub supports specific actions, resources, and condition keys. To learn about all of the elements that you use in a JSON policy, see IAM JSON Policy Elements Reference in the IAM ... 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.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:All principals More information Specifying a principal You specify a principal in the Principal element of a resource-based policy or in condition keys that support principals. You can specify any of the following principals in a policy: AWS account and root user IAM roles Role sessions IAM users Federated user sessions AWS services All principals 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.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. .