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. 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. 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. 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 ...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: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. 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.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 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.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.Oct 9, 2020 · the account principal arn:aws:iam::<your-account-number>:root the user, assumed role or federated user principal In the case of an explicit Allow if you only used the root account principal in a Principal rule in a policy statement, then any user in that account will match the allow and will be given access, since the account principal is ... 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 . 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? 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. 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.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.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 ...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 ...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. 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.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.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 ... 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. 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.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):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 structureThe 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. 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. 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. 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. 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 ... 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 structureThe 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-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-timeFor 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 ...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. 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: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.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. 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. 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 ... 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. 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.Jun 4, 2018 · 5,949 1 28 36 Add a comment 5 The answer { "Fn::Join": [ ":", [ "arn:aws:iam:", { "Ref":"AWS::AccountId" }, "root" ] ] } Why does this work? 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 ...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. 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.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.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 ...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.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 ... 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. 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.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. 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 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)When you specify an AWS account, you can use the account ARN (arn:aws:iam::account-ID:root), or a shortened form that consists of the "AWS": prefix followed by the account ID. For example, given an account ID of 123456789012 , you can use either of the following methods to specify that account in the Principal element: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: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 ...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.VDOM DHTML tml>. What is “root” in AWS IAM? - Quora. Something went wrong. 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. 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. 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 ... 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. 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 ...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. 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."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: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.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. 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 ... 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.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 ...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. 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": "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: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.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.
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.. Taft stettinius and hollister llp
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 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.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. 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. 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.Jun 4, 2018 · 5,949 1 28 36 Add a comment 5 The answer { "Fn::Join": [ ":", [ "arn:aws:iam:", { "Ref":"AWS::AccountId" }, "root" ] ] } Why does this work? 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.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.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 ... 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.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. 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.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. 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 ... 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. 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. 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. 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)..