AWS CLI Command Reference

[ aws . transfer ]

update-server

Description

Updates the file transfer protocol-enabled server’s properties after that server has been created.

The UpdateServer call returns the ServerId of the server you updated.

See also: AWS API Documentation

See ‘aws help’ for descriptions of global parameters.

Synopsis

  update-server
[--certificate <value>]
[--protocol-details <value>]
[--endpoint-details <value>]
[--endpoint-type <value>]
[--host-key <value>]
[--identity-provider-details <value>]
[--logging-role <value>]
[--post-authentication-login-banner <value>]
[--pre-authentication-login-banner <value>]
[--protocols <value>]
[--security-policy-name <value>]
--server-id <value>
[--workflow-details <value>]
[--cli-input-json | --cli-input-yaml]
[--generate-cli-skeleton <value>]

Options

--certificate (string)

The Amazon Resource Name (ARN) of the Amazon Web ServicesCertificate Manager (ACM) certificate. Required when Protocols is set to FTPS .

To request a new public certificate, see Request a public certificate in the Amazon Web ServicesCertificate Manager User Guide .

To import an existing certificate into ACM, see Importing certificates into ACM in the Amazon Web ServicesCertificate Manager User Guide .

To request a private certificate to use FTPS through private IP addresses, see Request a private certificate in the Amazon Web ServicesCertificate Manager User Guide .

Certificates with the following cryptographic algorithms and key sizes are supported:

  • 2048-bit RSA (RSA_2048)

  • 4096-bit RSA (RSA_4096)

  • Elliptic Prime Curve 256 bit (EC_prime256v1)

  • Elliptic Prime Curve 384 bit (EC_secp384r1)

  • Elliptic Prime Curve 521 bit (EC_secp521r1)

Note

The certificate must be a valid SSL/TLS X.509 version 3 certificate with FQDN or IP address specified and information about the issuer.

--protocol-details (structure)

The protocol settings that are configured for your server.

  • Use the PassiveIp parameter to indicate passive mode (for FTP and FTPS protocols). Enter a single dotted-quad IPv4 address, such as the external IP address of a firewall, router, or load balancer.

  • Use the SetStatOption to ignore the error that is generated when the client attempts to use SETSTAT on a file you are uploading to an S3 bucket. Set the value to ENABLE_NO_OP to have the Transfer Family server ignore the SETSTAT command, and upload files without needing to make any changes to your SFTP client. Note that with SetStatOption set to ENABLE_NO_OP , Transfer generates a log entry to CloudWatch Logs, so you can determine when the client is making a SETSTAT call.

  • Use the TlsSessionResumptionMode parameter to determine whether or not your Transfer server resumes recent, negotiated sessions through a unique session ID.

PassiveIp -> (string)

Indicates passive mode, for FTP and FTPS protocols. Enter a single IPv4 address, such as the public IP address of a firewall, router, or load balancer. For example:

``aws transfer update-server –protocol-details PassiveIp=*0.0.0.0* ``

Replace `` 0.0.0.0 `` in the example above with the actual IP address you want to use.

Note

If you change the PassiveIp value, you must stop and then restart your Transfer Family server for the change to take effect. For details on using passive mode (PASV) in a NAT environment, see Configuring your FTPS server behind a firewall or NAT with Transfer Family .

TlsSessionResumptionMode -> (string)

A property used with Transfer Family servers that use the FTPS protocol. TLS Session Resumption provides a mechanism to resume or share a negotiated secret key between the control and data connection for an FTPS session. TlsSessionResumptionMode determines whether or not the server resumes recent, negotiated sessions through a unique session ID. This property is available during CreateServer and UpdateServer calls. If a TlsSessionResumptionMode value is not specified during CreateServer , it is set to ENFORCED by default.

  • DISABLED : the server does not process TLS session resumption client requests and creates a new TLS session for each request.

  • ENABLED : the server processes and accepts clients that are performing TLS session resumption. The server doesn’t reject client data connections that do not perform the TLS session resumption client processing.

  • ENFORCED : the server processes and accepts clients that are performing TLS session resumption. The server rejects client data connections that do not perform the TLS session resumption client processing. Before you set the value to ENFORCED , test your clients.

Note

Not all FTPS clients perform TLS session resumption. So, if you choose to enforce TLS session resumption, you prevent any connections from FTPS clients that don’t perform the protocol negotiation. To determine whether or not you can use the ENFORCED value, you need to test your clients.

SetStatOption -> (string)

Use the SetStatOption to ignore the error that is generated when the client attempts to use SETSTAT on a file you are uploading to an S3 bucket.

Some SFTP file transfer clients can attempt to change the attributes of remote files, including timestamp and permissions, using commands, such as SETSTAT when uploading the file. However, these commands are not compatible with object storage systems, such as Amazon S3. Due to this incompatibility, file uploads from these clients can result in errors even when the file is otherwise successfully uploaded.

Set the value to ENABLE_NO_OP to have the Transfer Family server ignore the SETSTAT command, and upload files without needing to make any changes to your SFTP client. While the SetStatOption ENABLE_NO_OP setting ignores the error, it does generate a log entry in Amazon CloudWatch Logs, so you can determine when the client is making a SETSTAT call.

Note

If you want to preserve the original timestamp for your file, and modify other file attributes using SETSTAT , you can use Amazon EFS as backend storage with Transfer Family.

Shorthand Syntax:

PassiveIp=string,TlsSessionResumptionMode=string,SetStatOption=string

JSON Syntax:

{
  "PassiveIp": "string",
  "TlsSessionResumptionMode": "DISABLED"|"ENABLED"|"ENFORCED",
  "SetStatOption": "DEFAULT"|"ENABLE_NO_OP"
}

--endpoint-details (structure)

The virtual private cloud (VPC) endpoint settings that are configured for your server. When you host your endpoint within your VPC, you can make it accessible only to resources within your VPC, or you can attach Elastic IP addresses and make it accessible to clients over the internet. Your VPC’s default security groups are automatically assigned to your endpoint.

AddressAllocationIds -> (list)

A list of address allocation IDs that are required to attach an Elastic IP address to your server’s endpoint.

Note

This property can only be set when EndpointType is set to VPC and it is only valid in the UpdateServer API.

(string)

SubnetIds -> (list)

A list of subnet IDs that are required to host your server endpoint in your VPC.

Note

This property can only be set when EndpointType is set to VPC .

(string)

VpcEndpointId -> (string)

The ID of the VPC endpoint.

Note

This property can only be set when EndpointType is set to VPC_ENDPOINT .

For more information, see https://docs.aws.amazon.com/transfer/latest/userguide/create-server-in-vpc.html#deprecate-vpc-endpoint.

VpcId -> (string)

The VPC ID of the VPC in which a server’s endpoint will be hosted.

Note

This property can only be set when EndpointType is set to VPC .

SecurityGroupIds -> (list)

A list of security groups IDs that are available to attach to your server’s endpoint.

Note

This property can only be set when EndpointType is set to VPC .

You can edit the SecurityGroupIds property in the UpdateServer API only if you are changing the EndpointType from PUBLIC or VPC_ENDPOINT to VPC . To change security groups associated with your server’s VPC endpoint after creation, use the Amazon EC2 ModifyVpcEndpoint API.

(string)

Shorthand Syntax:

AddressAllocationIds=string,string,SubnetIds=string,string,VpcEndpointId=string,VpcId=string,SecurityGroupIds=string,string

JSON Syntax:

{
  "AddressAllocationIds": ["string", ...],
  "SubnetIds": ["string", ...],
  "VpcEndpointId": "string",
  "VpcId": "string",
  "SecurityGroupIds": ["string", ...]
}

--endpoint-type (string)

The type of endpoint that you want your server to use. You can choose to make your server’s endpoint publicly accessible (PUBLIC) or host it inside your VPC. With an endpoint that is hosted in a VPC, you can restrict access to your server and resources only within your VPC or choose to make it internet facing by attaching Elastic IP addresses directly to it.

Note

After May 19, 2021, you won’t be able to create a server using EndpointType=VPC_ENDPOINT in your Amazon Web Servicesaccount if your account hasn’t already done so before May 19, 2021. If you have already created servers with EndpointType=VPC_ENDPOINT in your Amazon Web Servicesaccount on or before May 19, 2021, you will not be affected. After this date, use EndpointType =``VPC`` .

For more information, see https://docs.aws.amazon.com/transfer/latest/userguide/create-server-in-vpc.html#deprecate-vpc-endpoint.

It is recommended that you use VPC as the EndpointType . With this endpoint type, you have the option to directly associate up to three Elastic IPv4 addresses (BYO IP included) with your server’s endpoint and use VPC security groups to restrict traffic by the client’s public IP address. This is not possible with EndpointType set to VPC_ENDPOINT .

Possible values:

  • PUBLIC

  • VPC

  • VPC_ENDPOINT

--host-key (string)

The RSA, ECDSA, or ED25519 private key to use for your server.

Use the following command to generate an RSA 2048 bit key with no passphrase:

ssh-keygen -t rsa -b 2048 -N "" -m PEM -f my-new-server-key .

Use a minimum value of 2048 for the -b option: you can create a stronger key using 3072 or 4096.

Use the following command to generate an ECDSA 256 bit key with no passphrase:

ssh-keygen -t ecdsa -b 256 -N "" -m PEM -f my-new-server-key .

Valid values for the -b option for ECDSA are 256, 384, and 521.

Use the following command to generate an ED25519 key with no passphrase:

ssh-keygen -t ed25519 -N "" -f my-new-server-key .

For all of these commands, you can replace my-new-server-key with a string of your choice.

Warning

If you aren’t planning to migrate existing users from an existing SFTP-enabled server to a new server, don’t update the host key. Accidentally changing a server’s host key can be disruptive.

For more information, see Change the host key for your SFTP-enabled server in the Amazon Web Services Transfer Family User Guide .

--identity-provider-details (structure)

An array containing all of the information required to call a customer’s authentication API method.

Url -> (string)

Provides the location of the service endpoint used to authenticate users.

InvocationRole -> (string)

Provides the type of InvocationRole used to authenticate the user account.

DirectoryId -> (string)

The identifier of the Amazon Web Services Directory Service directory that you want to stop sharing.

Function -> (string)

The ARN for a lambda function to use for the Identity provider.

Shorthand Syntax:

Url=string,InvocationRole=string,DirectoryId=string,Function=string

JSON Syntax:

{
  "Url": "string",
  "InvocationRole": "string",
  "DirectoryId": "string",
  "Function": "string"
}

--logging-role (string)

Specifies the Amazon Resource Name (ARN) of the Amazon Web Services Identity and Access Management (IAM) role that allows a server to turn on Amazon CloudWatch logging for Amazon S3 or Amazon EFS events. When set, user activity can be viewed in your CloudWatch logs.

--post-authentication-login-banner (string)

Specify a string to display when users connect to a server. This string is displayed after the user authenticates.

Note

The SFTP protocol does not support post-authentication display banners.

--pre-authentication-login-banner (string)

Specify a string to display when users connect to a server. This string is displayed before the user authenticates. For example, the following banner displays details about using the system.

This system is for the use of authorized users only. Individuals using this computer system without authority, or in excess of their authority, are subject to having all of their activities on this system monitored and recorded by system personnel.

--protocols (list)

Specifies the file transfer protocol or protocols over which your file transfer protocol client can connect to your server’s endpoint. The available protocols are:

  • Secure Shell (SSH) File Transfer Protocol (SFTP): File transfer over SSH

  • File Transfer Protocol Secure (FTPS): File transfer with TLS encryption

  • File Transfer Protocol (FTP): Unencrypted file transfer

Note

If you select FTPS , you must choose a certificate stored in Amazon Web ServicesCertificate Manager (ACM) which will be used to identify your server when clients connect to it over FTPS.

If Protocol includes either FTP or FTPS , then the EndpointType must be VPC and the IdentityProviderType must be AWS_DIRECTORY_SERVICE or API_GATEWAY .

If Protocol includes FTP , then AddressAllocationIds cannot be associated.

If Protocol is set only to SFTP , the EndpointType can be set to PUBLIC and the IdentityProviderType can be set to SERVICE_MANAGED .

(string)

Syntax:

"string" "string" ...

Where valid values are:
  SFTP
  FTP
  FTPS

--security-policy-name (string)

Specifies the name of the security policy that is attached to the server.

--server-id (string)

A system-assigned unique identifier for a server instance that the user account is assigned to.

--workflow-details (structure)

Specifies the workflow ID for the workflow to assign and the execution role used for executing the workflow.

To remove an associated workflow from a server, you can provide an empty OnUpload object, as in the following example.

aws transfer update-server --server-id s-01234567890abcdef --workflow-details '{"OnUpload":[]}'

OnUpload -> (list)

A trigger that starts a workflow: the workflow begins to execute after a file is uploaded.

To remove an associated workflow from a server, you can provide an empty OnUpload object, as in the following example.

aws transfer update-server --server-id s-01234567890abcdef --workflow-details '{"OnUpload":[]}'

(structure)

Specifies the workflow ID for the workflow to assign and the execution role used for executing the workflow.

WorkflowId -> (string)

A unique identifier for the workflow.

ExecutionRole -> (string)

Includes the necessary permissions for S3, EFS, and Lambda operations that Transfer can assume, so that all workflow steps can operate on the required resources

Shorthand Syntax:

OnUpload=[{WorkflowId=string,ExecutionRole=string},{WorkflowId=string,ExecutionRole=string}]

JSON Syntax:

{
  "OnUpload": [
    {
      "WorkflowId": "string",
      "ExecutionRole": "string"
    }
    ...
  ]
}

--cli-input-json | --cli-input-yaml (string) Reads arguments from the JSON string provided. The JSON string follows the format provided by --generate-cli-skeleton. If other arguments are provided on the command line, those values will override the JSON-provided values. It is not possible to pass arbitrary binary values using a JSON-provided value as the string will be taken literally. This may not be specified along with --cli-input-yaml.

--generate-cli-skeleton (string) Prints a JSON skeleton to standard output without sending an API request. If provided with no value or the value input, prints a sample input JSON that can be used as an argument for --cli-input-json. Similarly, if provided yaml-input it will print a sample input YAML that can be used with --cli-input-yaml. If provided with the value output, it validates the command inputs and returns a sample output JSON for that command.

See ‘aws help’ for descriptions of global parameters.

Output

ServerId -> (string)

A system-assigned unique identifier for a server that the user account is assigned to.

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