The sftp server can acteither as a sender or a receiver of messages. The integration flow processes the file to the S3 directory using AWS SFTP.

I followed the steps to convert the putty key to openssh key and generate p12 key pair and then added the key pair to the keystore. 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. thanks for the info, good that you got it working. We believe that the /_ftp/0480038021 will be generated at runtime and at CPI we are supposed to configure only /outbox in Folder location at SFTP receiver channel. SFTP in the screenshot), select the authentication as Public Key, for private key alias provide the alias which is created in step 3 (id_test_rsa). I am facing the below issue while connecting on premise sftp Server using user id / password in the connectivity test tab at CPI PI . In CPI we only have option for Public key (with username) or username and password. I would like to ask one question for sFTP outbound, can we set the adapter configurations like address, credentials from the variable set in the header or from property in the ilfow? When the processing is complete, you should see the SAP MATMAS file stored in the S3 directory for post-processing activities. Only those two aliases are used to connect to the sftp server. The authentication is done with the id_rsa/id_dsa key with the user entered in User Name. some datacenters did not have the T3 update yet because of problems during update. 2) Indeed, id_rsa had not been created up to the point I send my questions. In order for me to use this should I get CSR generated and get it signed. This error comes from the Cloud Connector. The customer retains the private keyon their server and provides the public key to SuccessFactors. Without it, you will lose your content and badges. Fill in your details below or click an icon to log in: You are commenting using your WordPress.com account. If you have multiple accounts, use the Consolidation Tool to merge your content. so if we provide our public key to SFTP server admin , it doesn't require to provide in the below column in channel. Step 1: Retrieve User and Public Host Key from sftp Server Terms of use | 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. Please suggest what is causing this issue. Any suggestions would be greatly appreciated. ), But when we run the interface, we are getting the following error, org.apache.camel.component.file.GenericFileOperationFailedException: Cannot connect to sftp://REMOVEDTHETEXT, cause: com.jcraft.jsch.JSchException: Auth fail. For Authentication with both, Public Key and User Name/Password, select. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. -We will discuss internally if we can offer a more user friendly option to get this imported to the keystore. In this case you may use the existing one for your scenario or use a different Key Type or rename the existing alias. Welcome to the On-Premise SFTP server Connectivity in SAP Cloud Integration guide. With the June-2020 update any key pair can be chosen for the connection to the sftp server by defining the respective key alias in the sftp adapter configuration. It sounds like something is not setup correctly in the Cloud Connector. com.jcraft.jsch.JSchException: ProxySOCKS5: com.jcraft.jsch.JSchException: ProxySOCKS5: server returns 2 Cause: com.jcraft.jsch.JSchException: ProxySOCKS5: server returns 2, Note : Connection set-up is completed from clod conenctor to on premise system. The file contains thepublic keyin openSSH format, which can be used tobe put to the sftp server. For Directory, select the S3 directory associated with AWS SFTP server. Please submit an caseunder the component LOD-SF-PLT-FTPS for the technical team to proceed with the SSH key upload in the SF SFTP account. Each CPI tenant (e.g. Change). If there really is an issue, I would request you to open a ticket on LOD-HCI-PI-OPS. With the June-2020 update the key pair for the connection to the sftp server can be chosen by defining the respective key alias in the sftp adapter configuration. When we are doing a connectivity test, we are getting a successful message (Could you please let me know, what does 4096 mean here? Any timelines ? In this case either the id_rsa/id_dsa alias is not available in keystore, the public key was not added to the sftp server authorized keys correctly or the user is not valid. Without it, you will lose your content and badges. Else the only option is to get the broken connection fixed with the new key. we have created and provided public key to SFTP server admin. For Authentication, choose User Name/Password. We are trying to connect to an internal on-premise SFTP server with public key based authentication. in the content modifier you define the property SAP_FtpAuthMethod with Type property and value user, this means the value is read from property user, but there is no such property and thats why SAP_FtpAuthMethod is also not set. Can any one please help me with public key username? There is a type of SFTP access which does not require the user to provide a password, in order to connect to their SFTPdirectory. You need to make sure that the server can be reached over internet, maybe you have to open ports in the firewall. See the following code example where ssh-keyscan command is executed on AWS SFTP server domain to retrieve the host key value: In the CPI tool, select monitoring (operations view), security material option. If noknown_hosts file was deployed create it. Is it sftp sender or receiver? We are trying to connect to SAP Concur using SAP PI and CPI/HCI. For Authentication, choose public-key based. If a key with the respective alias already exists, an error message is given. while upload File->select the key. Also I saw the keystore, do I still need to create the SSH Key in Keystore to download and share with SFTP server.PFA. If so, you need SAP Universal ID. A typical task in an integration project is to connect sftp servers tothe SAP Cloud Integration Tenant, either for sending messages to or for polling messages from the sftp server. This establishes the connection between SAP CPI and AWS SFTP and lists the current objects stored in the AWS SFTP server S3 directory. 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/. Note. I would like to know , who will be providing SSH key ( Third party )? Once you have shared the password, you cannot make anyone to forget it again, so to remain secure, you would have to change it each time someone leaves the project, which is difficult and error-prone as stated above. This will use the latest version of the adapter, there the field should be available. Check the file in SFTP server. during connectivity testing. Visit SAP Support Portal's SAP Notes and KBA Search. Thanks Vanga. Using this feature you can connect one SFTP receiver channel to more than one SFTP servers. If the property is not defined during runtime, an error is thrown. Change), You are commenting using your Facebook account. We have a requirement to connect multiple SFTP vendor using Public Key Authentication. You can configure the entry fields Directory, File Name, Address, Location ID, User Name, Credential Name andPrivate Key Aliasdynamicallyusing header (${header.abc}) or property (${property.abc}) as shown below. I have provided the step by step description on what all configurations required from SAP Cloud Platform Integration (CPI). Browse the known_hosts file and deploy it. For secureSSH communicationa known hosts file has to be deployed in the cloud integration tenant containing thepublic host key of the sftp server so that the sftp server will be trusted. If you are requesting for both test and production instances, please provide both SFTP usernames and specify which public key you want installed on each one. This is password which we create by our self to use in step import certificate to CPI, Create folder SSL and copy file openssl.cnf into it, At folder OpenSSL run CMD by administrator, Create notepad and paste Host Key into it and set name file, Go to Connectivity Test in SAP CPI monitor. 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. Reconnect Attempts SAP_FtpMaxReconnect int Values of type integer, Reconnect Delay SAP_FtpMaxReconDelayint Values of type integer, Automatically Disconnect SAP_FtpDisconnectboolean, string true, false, Change Directories Stepwise SAP_FtpStepwise boolean, stringtrue, false, Create Directories SAP_FtpCreateDir boolean, string true, false, Use Fast Exists Check SAP_FtpFastExistsCheck boolean, string true, false, Handling for Existing FilesSAP_FtpAfterProc String Overwrite, Append, Fail, Ignore, Flatten Filenames SAP_FtpFlattenFileName boolean, string true, false. 2023, Amazon Web Services, Inc. or its affiliates. And with this change you can now have multiple SSH keys in your tenant. The client checks if the server is a trusted . In some business cases, messages have to be sent to multiple SFTP servers, for example depending on specific payload data or on the sender of the message. While connecting to a sftp server from a tenant on eu1, we are getting the error "com.jcraft.jsch.JSchException: connection is closed by foreign host ". does this cause issue with SFTP Adapter. If a key with the respective alias already exists, an error message is given. On an OpenSSH serverits done via adding itto the authorized_keys file in the .ssh directory. Have you checked if there is an id_rsa or id_ecdsa or id_dsa alias in the keystore? For User Name, enter kenny (AWS SFTP server user name created earlier). 2.Created SSH key pair in CPI key store and downloaded the pub key from it. Furthermore, for usingpublic key authentication towards the sftp server, a private key pair with the alias id_rsa or id_dsa is required in the cloud integration tenants keystore. Starting with the 8-June-2020 release, you can configure the SFTP adapter in Cloud Integration dynamically. Deploy the known_hosts file in the Manage Security Material Upload it by Browsing the known_hosts file and deploy it. The SSH test tries to establish a SSH connection to the SFTP server, but does not authenticate. Is it really expected to take that long? SAP CPI is a pay-as-you-go subscription model offered by SAP. More information about maintaining keys and certificates in Keystore Monitor, about migration of existing keystores into the new monitor and about existing naming conventions can be found in blog How to use Keystore Monitor to maintain your keys and certificates. Without it, you will lose your content and badges. However i will get the logs from CC to analyze further. You will have to setup one. Besides, most sftp servers close an idle connection from their side after a certain period of time (i.e. Choose Add -> SSH Key to upload a putty of SSH keyfor the sftp connectivity. (LogOut/ Check setup and troubleshooting in this blog: https://blogs.sap.com/2018/11/16/cloud-integration-how-to-connect-to-an-on-premise-sftp-server-via-cloud-connector/, Make sure the known hosts file is setup correctly and uses the sftp address as specified in the sftp channel. If you would still have this private key externally available, you could import it via add -> key pair. If the server does not respond when calling with Authentication None, it simply cannot be reached. And the public certificate for the key is downloaded and passed to all connected sftp servers. If it can not, does it is planned in the roadmap of future? My doubt is that you mentioned private key alias. In SAP CPI monitoring view, choose Security material function. this is currently not supported in CPI. Thanks Vanga. We tried a lot of guides online but we didn't find a solution, there is some plane to improve SFTP Adapter with this kind of keys? See the following example: ld2345.wdf.sap.corpssh-rsa AAAAB3NzaC1yc2EAAAo2pOx2ADnZ1WwtjW48=. Thanks for the quick response Mandy. With the 02-September-2018 update, in the Keystore Monitor you can directly create SSH keys. We are getting this error on the Receiver Side. It is possible to upload SSH or putty keys. In a few months, SAP Universal ID will be the only option to login to SAP Community. In a few months, SAP Universal ID will be the only option to login to SAP Community. now we have received another vendor .pub file, where and how should we update the public openSSH key in the keystore to establish the connection with both the vendors. what I hope is to trigger the call directly from HCM on-premise system. or you use the Cloud conector. Like Federico, I too am trying to use the .ppk file to authenticate against an SFTP. This is possible now, see blog How to connect to an on-premise sftp server via Cloud Connector. The steps given by you have been extremely useful. NodeManager.deploysecuritycontent. With this last step the configuration of thecommunication to the sftp server using public key authentication is completed. After further analysis, I noticed that vendor generated their public key with size 3072. It helps. at the moment it is either user/password or public key, but we work on an enhancement to support Dual authentication meaning user/password and public key. Having done this, how can I successfully authenticate against the SFTP using the added key pair? You can either use a sftp sender adapter in CPI to poll for messages on a on-premise system or you can trigger a call directly from on-prem system and send the pdf as attachment for example via a SOAP call. Yet I got error using both None and User/password and Key. I appreciate your quick response. It is on the roadmap, but not for the near future. Thanks for this very informative blog. I made the change and now I am informing the 'Private Key Alias' but the error persists. If you have multiple accounts, use the Consolidation Tool to merge your content. Part 1 of this series demonstrated how to integrate SAP PI/PO systems with AWS Transfer for SFTP (AWS SFTP) and how to use the data that AWS SFTP stores in Amazon S3 for post-processing analytics. Thanks for this post. This X.509 certificate file can be imported to sftp server, if the sftp server supports the format. 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. Is it still not available for all customers? For public key authentication at the sftp server the public key of the cloud integration tenants private key is needed in the sftp server. Make sure the fingerprint of the downloaded host key is checked with the administrator of the sftp server. 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. But you cannot rely on this as there may be issues during update that can cause delays. This blog describes how to setup secureconnections to sftp serversin the cloud integration system. the problem is that you have downloaded the public key with the option download public open SSH key and now you try to import the public key as privat ssh key. 3) Then trying with authentication "User Credentials" (after adding credentials under Manage Security Material), "Check Host Key" flagged or unflagged, I received error message "com.jcraft.jsch.JSchException: SSH_MSG_DISCONNECT: 2 Requested key size is not supported.".

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File, connectivity testing returns the same error result ; e.g 2.created SSH key pair in the Security... Thank you very much Mandy and taking your time to answering my question trigger the call directly HCM. An integration flow processes the file contains thepublic keyin OpenSSH format, which can be to... Earlier ) ( Third party ) rename the existing one for your scenario use! The equivalent of maintaining known_hosts complete, you will lose your content secureconnections to SFTP server supports the.... Multiple SSH keys ports in the below column in channel SAP Cloud integration system that vendor generated public! To use this should I get CSR generated and get it signed error message is given complete... We can offer a more user friendly option to get the broken connection fixed with the respective already. Last step the configuration of thecommunication to the on-premise SFTP server S3 directory associated with AWS server... Certificate for the near future created as part of password-based authentication in part 1 of series. Possible now, see blog how to connect to SAP Community public key with size 3072 the team. Generated their public key with the respective alias already exists, an error is thrown for. A different key Type or rename the existing alias by step description on all... Objects stored in the Keystore and provided public sap cpi sftp public key authentication authentication is completed User/password and key using your WordPress.com.. Use a different key Type or rename the existing alias too am trying to connect SFTP... Amazon Web Services, Inc. or its affiliates use this should I get CSR generated and it! Offered by SAP field should be available to log in: you are sap cpi sftp public key authentication using your WordPress.com.... Trigger the call directly from HCM on-premise system or click an icon to log:... Post-Processing activities ( CPI ) with both, public key of the SFTP adapter in integration... To analyze further id_rsa had not been created up to the SFTP using the added key pair downloaded pub... Step by step description on what all configurations required from SAP Cloud Platform integration CPI... Name created earlier ) for user Name created earlier ) defined during runtime, an message... Alias already exists, an error is thrown in this case you may use the Consolidation Tool to your... Something is not setup correctly in the SFTP server, if the property is not defined during,! Me with public key to SuccessFactors required from SAP Cloud integration tenants key. Material function 2.created SSH key pair the error persists using SAP PI and.. The receiver side an error message is given an issue, I would request to! Platform integration ( CPI ) or putty keys ), you will lose your content T3 yet! Upload in the Keystore Monitor you can not be reached over internet, you! The authentication is done with the administrator of the downloaded host key is checked with the key... The receiver side to download and share with SFTP server.PFA the Keystore you. There is an id_rsa or id_ecdsa or id_dsa alias in the SF SFTP account update... Known_Hosts file and deploy it steps given by you have to open a ticket on LOD-HCI-PI-OPS upload in the.! Cpi is a trusted an issue, I noticed that vendor generated their public key to server. Export OpenSSH key something is not setup correctly in the Keystore the integration flow URL the. In Keystore to download and share with SFTP server.PFA this change you can not, does it is the! Your details below or click an icon to log in: you are commenting using your account! Be issues during update or does not have the T3 update yet because of problems during update and with! Available, you will lose your content and badges Security Material function there an! Their server and provides the public certificate for the key is needed the. The administrator of the adapter, there the field should be available noticed that vendor generated public! Already exists, an error message is given created earlier ) user friendly option to to... Sftp vendor using public key to upload SSH or putty keys from it really an... View, choose Security Material function private key externally available, you will your!

Maybe the user does not have authorization to create files or does not have access rights? If my understanding is correct, compared to CPI, accepting the sftp host as trusted would be the equivalent of maintaining known_hosts. For Password, enter the same password created as part of password-based authentication in part 1 of this series using Secrets Manager. Please check the logs there. Click "Conversions" and export OpenSSH key. thanks for a detailed blog Mandy, br Vikas. All rights reserved. Hope you are doing well. To maintain keys and certificates in Keystore Monitor your user needs the Group Role AuthGroup.Admin or Single Roles IntegrationOperationServer.read, NodeManager.read and This for sure cannot work. Thank you for your Suggestions, we were using an Old Version of the SFTP Adapter in our iFlow and it was not having an option for the PrivateKey. To establish a connection with AWS SFTP, you must have the following SAP CPI authentication options: Configure the SAP CPI tenant known host key file to store the SFTP key, hostname, key algorithm, and SSH key parameters. Can you please suggest how to address the issue. After maintaining known_hosts file, connectivity testing returns the same error result. To test the connection, create an integration flow in SAP CPI between your preferred HTTPS tool and AWS SFTP. the current recommendation would be to have a router before the sftp server and have two sftp channels, one with basic authentication and one with public key Auth. For this, export thepublic keyof the privatekey pair in the Keystore Monitor. Thank you very much Mandy and taking your time to answering my question. puttygen id_rsa.ppk -O private-openssh -o id_rsa, Create X.509 certificate fromOpenSSH key; e.g. You can retrieve the deployed integration flow URL from the SAP CPI manage integration content page.