sap cpi sftp public key authentication

I can download the open ssh public key but am unable to use it. Choose Create -> SSH Key to create a key pair for the sftp connectivity. Country/Region -> To be asked from Vendor. If a key with the respective alias already exists, an error message is given. Make sure to specify the SFTP username that you want the public key installed on. I've deleted that ssh key and generated a new one, considering that there will be other sftp hosts from different vendors to send files in the future.

is there any way we can externally create the known host file by contacting SFTP Server admin (for fingerprints) copying teh finger prints into a .txt file or any changes required before placing the txt file into CPI PI. You can specify these settings dynamically by choosing the option Dynamic from the dropdown (as shown in the screenshot above) and defining the actual value in the respective SAP property.

With this last step the configuration of thecommunication to the sftp server using public key authentication is completed. The public key authentication is checked via the authentication option Public Key. So, I cannot confirm the date. This is pass phrase which get from administrator when config SFTP with PPK file. Here, I have how to establish secure SFTP connection using Public Key Authentication for CPI Interfaces which send files to SF SFTP or any third party SFTP. After further analysis, I noticed that vendor generated their public key with size 3072. Selecting the Connectivity Test tile from Overview Page will open the test tool offering tests for different protocols. The only option I have is to fix the broken connection, because the key was created in the keystore. Auth Fail usually means that the authentication configured in the channel is not correct. CN(Common Name) - From where can i retrieve this?

Then you can use the ssh connectivity test to test the connection to the sftp server. But once I tested uploading ppk from vendor, created id_rsa, maintained unknown_hosts, I still got error message com.jcraft.jsch.JSchException: SSH_MSG_DISCONNECT: 2 Requested key size is not supported." I have provided the step by step description on what all configurations required from SAP Cloud Platform Integration (CPI). Save the public and private keys on your system. However, I have now an issue trying to upload the id_rsa.pub key. Copy the Host key for the SFTP from above screenshot should be deployed in the existing known_hosts file. To communicate with the sftp server you need a user account on that sftp server. It is in our roadmap, but not for the near future as this is a bigger change. If the server does not respond when calling with Authentication None, it simply cannot be reached. After configure SFTP server, we will have some info of it as, After this step, we receiver one file *.pem in folder, After this step, we have PKCS (*.p12) in folder, If check host from on-premise through SAP CLOUD CONNECTOR, then we must choose On-Premise for Proxy Type. You can expect this feature in one of the next updates. Can you please suggest how to address the issue. Please help me to understand what is wrong in my IFlow. This post shows you how to integrate SAP Cloud Platform Integration (SAP CPI) with AWS SFTP and use the AWS analytics solutions shown in part 1 for post-processing analytics. You should not use username/password authentication to SFTP servers. What would you recommend to resolve this problem since the SFTP account may have only one way of authentication? Upon Deploy the key pair is generated and the artifact is added to the list of keystore artifacts: Instead of creating the SSH key in the keystore monitor, with the 12-May-2019 update you can also upload SSH keys to the keystore monitor.

If you have multiple accounts, use the Consolidation Tool to merge your content. Like Federico, I too am trying to use the .ppk file to authenticate against an SFTP. This error comes from the Cloud Connector. In CPI we only have option for Public key (with username) or username and password. Alerting is not available for unauthorized users, Right click and copy the link to share this comment. To maintain keys and certificates in Keystore Monitor your user needs the Group Role AuthGroup.Admin or Single Roles IntegrationOperationServer.read, NodeManager.read and There is no need to define all the configuration options dynamically, I recommend you to do so only if the required settings differ for the different SFTP servers you want to connect to.
Please let me know what is the best way around this issue. To test the connectivity, you can continue as described below in the Connectivity Test chapter or first create the integration flow with the sftp channel. I am confuguring sftp adapter using public key authentication , I have updated the host file but system is asking for username for public key .

As per the Suggestion from the SAP Expert, we had to recreate the Adapter in the iFlow, then we could see the Option of PrivateKey and it is working fine now. If noknown_hosts file was deployed create it. In this whitepaper you will find detailed steps for connecting to on-premise SFTP server with SAP Cloud connector, testing the connectivity from CPI Tenant, Managing credential entries for SFTP basic authentication as well as establishing public key based access to SFTP from CPI tenant, building the CPI IFlow with sender and receiver SFTP adapter configuration, to read files from and write files to the SFTP server. is there a way to connect an sFTP Host which is located on Prem via SAP Cloud Connector? Steps to Use Public Key Authentication: For secure SSH communication a known host file must be deployed in the cloud integration tenant containing the public host key of the sftp server so that the sftp server will be trusted. I have created this Key Pair directly in the tenant. 2.Created SSH key pair in CPI key store and downloaded the pub key from it. I remember this problems, it's a false error, in real, probably (in our cases), was timeout on auth fail, we changed timeout 10000 to 300000 after discussing for a week with sap support and this disappears after. Also User/Password can be used instead, in this case user credentials have to be deployed in the cloud integration tenant. How to configure a simple synchronous SOAP consumer in R3 system with CPI SOAP Adapter, Create Inbound and Outbound Folders in SFTP Server, Connectivity Test with Dual Authentication. Sorry for not being more specific, but Im working on a concur interface in CPI in, which this setup I need to access the Concur SFTP server manually (privatekey access only - without password) in order to get some neccessary encryption files that i need in setup of the iflow. If there is an authenticationerror you get an Auth fail error. Currently the sftp server needs to be opened to the internet to be connected via cloud integration. you are right, currently Cloud Integration allows only two aliases for sftp connectivity depending on the key type - id_dsa and id_rsa. Did anyone face the similar issue and able to fix it? For eg., if I have 2 different banks institutions that use public certificate authentication for SFTP connectivity, I can distribute my public certificate (generated using the SSH key - id_rsa or id_dsa) and import the 3rd party certificates in the key store and use the given alias in the SFTP adapter. 4) I believe that once I overcome this key size issue, I'll fall into the dual authentication limitation. ForSSH based communication, the cloud integration tenant needs thehost keyof thesftp server, which has to be added to the known hosts file and deployed on thecloud integration tenant in the next step. CPI needs to pull the files from SFTP server using Public Key Authentication method. what I hope is to trigger the call directly from HCM on-premise system. its planned to be available in the May update, but this depends on the finalization of the implementation and the E2E tests that need to be executed. If you want to configure the connection toan on-premisesftp server via Cloud Connector refer to the blog How to Connect to an on-premise sftp Servervia Cloud Connector. Change), You are commenting using your Facebook account. then you can restore the keystore to the state before your changes. The checkboxes, additional dropdowns and integer fields are configurable dynamically by defining the values in pre-defined SAP properties. This X.509 certificate file can be imported to sftp server, if the sftp server supports the format.

no, this is not possible as of now. In the following diagram,SAP CPI lists the SAP material master files stored in S3 directory usingSTFPconnection. Please confirm. We will discuss internally if we can offer a more user friendly option to get this imported to the keystore. To generate the SSH public and private key pairs, please refer to KBA2518009- Configuring SFTP for SAP HCI: Generating Key Pairs, Another option is to follow the below URL:https://www.ssh.com/ssh/keygen/. This is accomplished by the customer generating the SSH key from their server, thiskey will have 2 parts, a private key and a public key. https://blogs.sap.com/2019/06/29/try-sftp-scenarios-in-cpi-with-your-own-sftp-server-using-google-cloud/. But we know that this requirement exists to have multiple SSH keys, we will work on a solution in near future. I have worked on sFTP servers which is managed by SAP.

currently the Port is used as 21 instead of 22 . If not then there is no key pair that can be used. The <known_hosts> file contains the public keys and addresses of the trusted SFTP servers. For Username give the username who has authorization for SFTP server. 2023, Amazon Web Services, Inc. or its affiliates. The Public Key must be provided in .pub or .txt format otherwise we are unable to install it. For SSH based communication, the cloud integration tenant needs the host key of the sftp server, which must be added to the known hosts file and deployed on the cloud integration tenant in the next step. How do I create automatic feed without password into Success Factors? Step 1: Retrieve User and Public Host Key from sftp Server In case you have access to the sftp server yourself, youll normally find the public key of the sftp server in the .ssh directory with the name id_rsa.pub. For that vendor has given me a .p12 key pair file which i intent to upload in the keystore, I had few question on this hoping you could clarify them. For SSH based communication using public key authentication towards the sftp server, a private key pair with the any alias like id_rsa or id_dsa is required in CPI tenant's keystore. The integration flow processes the file to the S3 directory using AWS SFTP. It is recommended to use a dedicated key pair for the communication to the sftp server(s), and you may now even use a different key pair for each sftp server. to 3: could you maybe share the complete details of the public key type (RSA/DSA/EC), key size and key algorithm? To be able to establish a secure connection to an SFTP server, the host key of the SFTP server has to be available in a known hosts file in the Cloud Integration tenant. In this case the timeout needs to be increase.

Yes, you can provide the downloaded public SSH key to multiple sftp servers. You can now use this SSH key pair based SAP CPI connection to create an integration flow between your SAP systems and AWS SFTP server for your file-transfer workloads. Learn how your comment data is processed. Does setting this option mean you are just pinging the SFTP sever? Else the only option is to get the broken connection fixed with the new key. Do we need to use cloud connector to connect CPI from on-premise and how to trigger the upload? As shown in below, upload the known host file from your local drive to SAP CPI Tenant. To resolve this problem since the sftp username that you want the public keys and addresses of the next.. Key alias option on the adapter the connection to the state before your changes to... Available for unauthorized users, Right click and copy the link to sap cpi sftp public key authentication this comment,. 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On the Add User Credentials page, enter the credentials and deploy the following entries: For Name, enter a credential name to retrieve your user name and password credentials in the SAP CPI integration flow. We have tried to test by increasing the TimeOut in our Test Tenant, the Iflow is still in processing since 1 Hour. Copyright | I am facing the below issue while connecting on premise sftp Server using user id / password in the connectivity test tab at CPI PI . Deploy the known_hosts file in the Manage Security Material Upload it by Browsing the known_hosts file and deploy it. In the upload dialog select the putty or SSH key and specify the password for the key and define the key specific values and a validity period. Can any one please help me with public key username? And the public certificate for the key is downloaded and passed to all connected sftp servers. CPI does not have the Private Key Alias option on the adapter. Please set SAP_FtpAuthMethod to constant user if you want to define it with the value user.