While uploading the .p12 key pair file for creating a new SSH key, what should i give in the below fields: I would really appreciate any guidance here. if you have already created the key in the viewstore, why would you import it back again? This is the tutorial we are trying to replicate: https://help.sap.com/viewer/cca91383641e40ffbe03bdc78f00f681/Cloud/en-US/cd1583775afa43f0bb9ec69d9dbcc880.html. For secure SSH communication a known hosts file has to be deployed in the cloud integration tenant containing the public host key of the sftp server so that the sftp server will be trusted. Download Public OpenSSH Keywill create an .pubfilein the download directory. SAP Cloud Integration, SAP Integration Suite, SAP Cloud Platform Integration, Cloud Platform Integration, SAP CPI, CPI, SCPI, HANA Cloud Integration, HCI, SAP HCI, tenant, iFlow, Integration Flow, SFTP, Public Key, Host Key, SSH,known_hosts,Connectivity Test,SAP Cloud Integration , KBA , LOD-HCI-PI-CON-SOAP , SOAP Adapter , How To. Refer example in Reference below. To establish SSH connection between SAP Cloud Integration (former CPI) and SFTP server, you need to add the below parameters to the <known_hosts> file and deploy it on the tenant: Hostname; Key Algorithm; Host Key (encoded using base64) However you do not know how to get the Host Key of SFTP server to prepare the <known_hosts> file. In newest release, CPI support type DYNAMIC for Proxy Type and Authentication dropdown. Open Putty Key Gen. Click "Generate.". As in blog (i.e. So run the chmod command again to assign the appropriate permissions: Now that we have a .ssh directory in our client machine (populated with the ssh key pair), we now have to create a corresponding .ssh directory on the server side. You upload it there just to use the Linux command line tool ssh-keygen to convert that key into the public SSH key. you mentioned after point 4 to "Now upload Private SSH key file PItoSFTP_Key.key in to SAP-PI server". openssl pkcs12 -in PItoSFTP_Key.p12 -out PItoSFTP_Key.pem" on Unix/Linux, I got the error "unable to load private key. and at the the result is the mentioned error message. Now using tool OpenSSL (in any windows local desktop) perform below activities: ExtractOpenSSL in to a directory for e.g. Your email address will not be published. Barring any issues, it's just SSH informing you that a trust relationship between your server and your SFTP client has not yet been established. Run the ssh-keygen command: Not familiar with SFTP keys? Thats where the confusion comes from. Connect to SCC. Run task to test connectivity and make sure records from file located in SFTP have been replicate to HANA DB Table. Welcome to the On-Premise SFTP server Connectivity in SAP Cloud Integration guide. The host key can either be downloaded from sftp server or has to be . Download Public OpenSSH Key will create an <alias>.pub file in the download directory. The reason behind, download and upload of the keys was like, we wanted public SSH key from the created Key (in NWA of step 1), and we found that, it can be done using OpenSSL and SSH-KeyGen command lines. Public key authentication uses a pair of keys, one private and one public, to authenticate a connection. It should connect without prompting for . This article describes the procedure of getting the Host Key. Legal Disclosure | The most commonly used high-availability clustering configurations are Active-Active and Active-Passive. Max. Can this be acheived using FTP conenctor in CPI ? SFTP allows you to authenticate clients using public keys, which means they wont need a password. Save the file with .pem extension. You will see the Response message from SFTP server as Successfully reached host, and it will generate Host Key. These keys are paired in such a way that any data encrypted with one can only be decrypted with the other. Back-end Type : Non-SAP System. Additionally, JSCAPE enables you to handle any file type, including batch files and XML. And to read files from a SFTP-folder, the Sender SFTP-Adapter channels works on fix Poll-Intervals to watch any SFTP-folder. On the Add User Credentials page, enter the credentials and deploy the following entries: So now, when we list all the files in our home directory, we can already see the .ssh directory. Reconnect Attempts. Each key pair consists of a "public key" and . As a result 2 files should be created under C:\ProgramData\SAP\DataServicesAgent\conf\keys\sftp. You write in step 3: Upload Private SSH key file (PItoSFTP_Key.key file) into directory path /home//. Click "Conversions" and export OpenSSH key. PItoSFTP_Key.p12 (Downloaded from Keystore-View/Entry of SAPPI/PO), PItoSFTP_Key.pem (In Windows using openssl from above file-1), PItoSFTP_Key.key (In Windows using openssl from above file-2), PItoSFTP_Key.pub (In SAP-PO using ssh-keygen from above file-3). Hi guys, in this articles I share step by step how to config connection from SAP CPI to SFTP server with private/public key. Copy the Host key for the SFTP from above screenshot should be deployed in the existing known_hosts file. Now it's time to copy the contents of your SFTP public key to the authorized_keys file. Here, rather than the SFTP server ask for Password, it asks for Enter Password i.e. I have provided the step by step description on what all configurations required from SAP Cloud Platform Integration (CPI). Add the timestamp in format YYYYMMDD_HHMMSS-xxx before the extension of the filename. sorry for late reply, I hope, by now, you may have already addressed the issue. Now I see where the confusion comes from! For the authentication step based on public key: User name contained in the deployed artifact with name given by the . SFTP verifies the identity of the client and once a secured connection is established information is exchanged. Copyright | Is it possible to use SFTP without userid and password but only just public/private key with 4.3? At Cloud to On Premise screen, click Add. Me and several other comment writers regarding step 3 basically wonder why we need to save the created private SSH Key in a folder on PO. Recommended article: Setting Up an SFTP Server. In Sender Channel, provide input for SFTP servers IP/Port/Fingerprint/Authentication details as shown in below screen: Directory references starts from root directory of SFTP server, And we are reading all files of that direcrtoy using Filename input. Configure SAP CPI with SFTP using Public key based authentication: Step 1: Host Key retrieval from SAP CPI - Connectivity For SSH based communication, CPI tenant needs the host key of the sftp server, which has to be added to the known hosts file and deployed on the cpi tenant. I will try it out too as soon as I have a chance on a system. As I am running into a SFTP session being timed out. For secure SSH communication a known hosts file has to be deployed in the cloud integration tenant containing the public host key of the sftp server so that the sftp server will be trusted. Following blog post illustrates how to configure connectivity between CPI DS and SFTP via public key. FTP stands for File Transfer Protocol. It is an internet service which is designed to establish a connection to the specific server or computer. Good blog. Yes, convertedprivate SSH key was only required to create the public SSH key (.pub file) using command lines, which we had shared with SFTP-Server. In SAP CPI monitoring view, choose Security material function. When the connection is successful (the CPI tenant IP Ranges should have already been whitelisted by this time), click on "Copy Host Key Link". To place files in a SFTP-Folder, the Receiver SFTP-Adapter channel gets activated when Sender side pushes data on it. Enviroments: Cloud Foundry, CPI, Cloud connector, SAP backend. Below are the steps, how to add SFTP and FTP Credentials: Monitoring >Manage Security > Security Material > Add > User credentials, >Name: SFTP_Credentials (Same name you need to use in the SFTP adapter). Now using tool OpenSSL (in any windows local desktop) perform below activities: ExtractOpenSSL in to a directory for e.g. When you're done, exit your SSH session. Like any other middlewares out there which can get activated only when the third party pushes the data to it ? SFTP verifies the identity of the client and once a secured connection is established information is exchanged. Keys can be generated in PI/PO or any external tool, but the query is where do we need to maintain those keys in PI/PO for connection? We are getting NETWORK_UNREACHABLE error every time we call the CPI. FTP (File Transfer Protocol) is a standard network protocol used to transfer files from one host to another host over a TCP-based network, such as the Internet. If the configuration is activated and File Name parameter is set as 'Test_.XML', the name of the receiver files will be set as Test_YYYYMMDD_HHMMSS-xxx.XML. The client checks if the server is a trusted participant by evaluating a known_hosts file at client's side: if the server's public key is listed there-in . To archive read files, we can use below parameters: Given Archive name will move same read file to mentioned Archive path with prefix ARC_ in original filename, In PI: Create a KeyStore View and Keystore Entry and export it in PKCS#12 '.p12' format, Using OPENSSL tool -> convert '.p12' file in to '.PEM' file, then convert '.PEM' file in to '.key' file (i.e. Actually, We can use externalize parameter. To access SFTP server from SAP-PI using SFTP adapter, below details are required: If you are already a member in this website, Please Click here to loginIf you are not yet a member, Please Click here to Sign up, SAP PI/PO Directory API: Extract detailed Communication Channel configurations into an Excel sheet **without custom codes/macros**. SFTP (full form SSH File Transfer Protocol) is a part of the SSH protocol suite. chmod 700 authorized_keys. CPI, HCI, Auth Fail, SFTP, SFTP Server, sender, receiver, SFTP adapter, public key, private key, communication channel, Inbound, Outbound, authentication, known hosts file . Change). Cloud integration needs the username to connect to the sftp server and user must have sufficient authorization to create/move/delete files on the sftp server. Open user which will be used for connectivity with CPI DS. Also User . Check out our online tutorial to learn how to set up automated AS2 file transfers using our MFT server. Click that link to learn more about them. B2B Add-on SP2: enhancements and new features, Advanced Adapter Engine Extended (AEX) Installation and Configuration II, Email with HTML content and attachment with help of Java Mapping, CTS+ Transports failing with SoapFaultCode:5 Authentication failed. Yes we had exported private key in PKCS#12 Key Pair format having extension .p12. Select Import Entry, and then choose PKCS#12 Key Pair type from the drop-down menu, to import the .p12 file created as part of the earlier Open SSL step. How to connect toSFSF hosted SFTP servers using the SSH Key. Key Based Authentication, Business requirement case: To push/write files into external SFTP-Servers specific folder, As shown in following screen, in SFTP Receiver Communication channel, provide sFTP-server details (, if specific sFTP-Servers Fingerprint string is been given from , else it can also be ignored Finger by giving input as , In SFTP server folder, files will be dropped with same original name by enabling , Same authentication inputs will be required in case of Sender Communication Channel Configuration too (where , Business requirement case: To pull/read files from external SFTP-Servers specific folder. 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