![]() ![]() Select the public key file you wish to use for the selected user. ![]() This dialog box allows administrators to directly upload the public key to Cerberus. If you choose to upload a key file, you will be presented with the option to upload the public key for the user.You have the option to upload a key file, enter a new key file, edit a key file (if one exists) or test your key(s) next to the Key Path box.The Key Path edit box and file selection button will become visible/enabled. Select the Public Key Only, Public Key, and Password or Password or Public Key radio option.Select the user account that you wish to configure from the Cerberus Users account list.Open the Cerberus FTP Server User Manager.The procedure for configuring a user for SSH Public Key Authentication in Cerberus FTP Server is: The SSH Authentication Method dialog in the User Manager The final step in configuring a user for public-key authentication is assigning the client’s public key to the user account in Cerberus FTP Server. Adding the SSH public key to the user’s account in Cerberus FTP Server The private key must be kept a secret, and only the client should ever have access to the private key file. However, with this approach, the administrator now has the task of securely sending the private key to the client. You can also have the server administrator create and deliver the key pair for the client. Method 2: Server Administrator creates the SSH public and private key For more information on this, please refer to this support article. If you have FIPS 140-2 enabled, be sure that you are using PuttyGen. Many SFTP clients already have utilities built in to create an SSH2 key pair but if your client does not have one they can download a free utility like PuttyGen to create one on their machine. The file can be sent unencrypted from the client to the administrator. The public key is the only file the Cerberus administrator needs, and the public key file’s contents do not need to be kept secret. This approach ensures that the client is the only entity to ever possess the private key, and removes the need to securely deliver the private key to the client. The server administrator can then assign the public key to the user’s account. The client will give the SSH public key to the Cerberus FTP Server administrator while keeping the secret private key for their SFTP client. The recommended method of key creation and distribution is for the client to create the SSH key pair. Method 1: The client creates the SSH public and private key The key strength should be at least 2048 bits for RSA or DSA keys. The next few sections describe two approaches to SSH key creation, and how to assign the created public key to an account in Cerberus FTP Server. We recommend the client create their own SSH2 key pair and then send the public key to the server administrator. No response Additional Information/ContextĪws-cli/2.2.21 Python/3.8.8 Darwin/21.2.0 exe/x86_64 prompt/off Environment details (OS name and version, etc.Configuring an SSH user for public-key authentication requires both a public SSH key and a private SSH key (also known as an SSH key pair). ![]() try to connect to the instance using ssh.(change i-000000000000000 with a correct instance id)Īws ec2-instance-connect send-ssh-public-key -instance-id i-000000000000000 -ssh-public-key file://~/.ssh/id_rsa.pub -instance-os-user ubuntu -availability-zone us-east-1a Current BehaviorĬonnection failed with message Permission denied (publickey). ![]() SSH connection successful to the instance for 60 seconds using the sent key. Trying to connect to the instance using ssh:Ĭonnection Permission denied (publickey). ![]()
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