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. Learn more about using Public Key Authentication. Finally, the server uses the public key to decrypt it. To place files in a SFTP-Folder, the Receiver SFTP-Adapter channel gets activated when Sender side pushes data on it. The host key can either be downloaded from sftp server or has to be . The SFTP server will respond with the message "Successfully reached host," and it will generate the Host Key. Hana Database is running and connected from CPI DS. To create the SSH Key open theKeyStore available in the Operations View in Web in sectionManage Security. Make sure records being created. 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. which they need to import in their sFTP server, so that, while connecting from SAP-PI using SFTP-Adapter, access can be granted i.e. Public Key Authentication from CPI to SFTP Server. in our case), we had managed creation of SSH keys in different system (windows OS system) using tool OpenSSL, then we had imported into SAP-PI/PO (AEX) server. Navigate to your .ssh directory and view the contents of the authorized_keys file. In SAP PI, we can access SFTP server of client using SFTP Adapter. your query, for connection (with SFTP), in NWA, in Certificates and Keys: Key Storage, we have private key entry (1st step only). Change), You are commenting using your Facebook account. When SFTP server supports key based authentication, we need to maintain below details in SAP-PI: Go to nwa url page -> Configuration Management -> Security -> Certificates and Keys -> Key Storage -> Content -> Keystore Views, To create a new keystore view, click on button Add view, Create a Keystore Entry in same keystore view which just created above, Provide details as Entry Name, Algorithm as RSA and Key length 1024 or 2048, validity time, Follow the rest step to complete creation of Keystore Entry, Select row ofKeystore view and its respective Keystore Entry, Click on button Export Entry -> export format PKCS#12 Key Pair -> enter a password here and note it down, Click on link Download to extract .p12 file for example file name is . Furthermore, for public . When the server asks the client to authenticate, the client uses the private key to encrypt some data that is already known by the server (e.g. I need an urgent help from your end. Recommended configuration option for secure communication is public key authentication. 'xxx' is a random . At step "[Step-3] In SAP-PI: Upload Private SSH key' file", may I know why do. Please highlight if any query/part need to be enlighten that may help everyone who refer this blog. Yes we had exported private key in PKCS#12 Key Pair format having extension .p12. I also share how to test by Test Tool in SAP CPI. Save the public and private keys on your system. So its temporary and has no further usage. SFTP usernames must be created and provided to Customer Support before you request SSH access. SFTP server authenticates the calling component (tenant) based on a public key. 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. openssl pkcs12 -in PItoSFTP_Key.p12 -out PItoSFTP_Key.pem" on Unix/Linux, I got the error "unable to load private key. Respective steps are given in blog, plz refer, we have used openssl tool to generate keys. This tutorial covers the basic steps of setting up an AS2 server with the JSCAPE MFT Server. For the authentication step based on user credentials: Credentials from the deployed artifact with the name given by the Credential Name parameter are evaluated by the system to authenticate the tenant against the SFTP server. Don't worry too much if you encounter a notification saying "The authenticity of host can't be established Are you sure you want to continue connecting?" We are getting NETWORK_UNREACHABLE error every time we call the CPI. Now it's time to copy the contents of your SFTP public key to the authorized_keys file. To send files to SFTP server folder, we use SFTP Receiver Communication channel, Provide respective details in input fields of channel as shown in below screen, In SFTP server folder, files will be dropped with same original name by enabling Adapter Specific Message-Attributes and using. In this whitepaper, you will find the following: To access this white paper, please refer to the following wiki: How to Connect from SAP Cloud Integration to On-Premise SFTP Server. With no authentication, click "Send" . Whats the difference between forward proxy and reverse proxy servers? In current example we are going to create a File Format data store, which will be connected to AWS SFTP via ssh key, sample project task which will be pulling data from file, stored on SFTP server, map data and save into database table. Currently we are tweaking with increasing the timeout and poll interval parameters to see if this timeout error goes away. I have the private key entry maintained in NWA as shown below: To access the SFTP box from filezilla is need .ppk file. CN(Common Name) - From where can i retrieve this? The host key can either be downloaded from sftp server or has to be . This blog explains how to set up secure SFTP connection between SAP Cloud Platform Integration and SFTP without using user id & password (Basic Authentication), which is more secure to use. Learn more. You will see the Response message from FTP server as Successfully reached host. That is not so clear in the blog, maybe you could clarify it. Go to CPI DS and create new Datastore with the following settings. Enter passphrase. 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. Trademark, SAP SuccessFactors HXM Suite all versions. In SAP-PI, Private/Public SSH Key can be maintained using following steps: Go to nwa url page -> Configuration Management -> Security -> Certificates and Keys -> Key Storage -> Content -> Keystore Views. Provide details as Entry Name, Algorithm as RSA and Key length 1024 or 2048 . Following blog post is describing steps to establish connectivity between CPI DS and AWS SFTP. Upon Deploy the key pair is generated and the artifact is added to the list of KeyStore artifacts. Public key authentication uses a pair of keys, one private and one public, to authenticate a connection. Internal Host : IP/server name of SFTP. Provide your Host, Port (By default 21) and Authentication as None and Click on Send. Upload of the private key to PO folder is not necessary except to use the tool ssh-keygen there, if not present anywhere else on an available system. Welcome to the On-Premise SFTP server Connectivity in SAP Cloud Integration guide. Legal Disclosure | Reconnect Attempts. You can choose between the following options: Explicit FTPS: After an initial connection, the client with sendAUTH TLScommand to the server and initial the handshake this way. Visit SAP Support Portal's SAP Notes and KBA Search. Learn how to automate SFTP file transfers online at JSCAPE! We are facing the same issue. Thanks. Step 1 : Configure at SCC for SFTP node. Choose the subscription you want to create the sftp service in. You are absolutely right,when you haveto transfer files securely, then the best FTP client with FTPS and SFTP protocol support is "FTP Manager Pro". You'll then be asked to enter your account's password. Each must have access to their own private key, and others public key. ). SFTP verifies the identity of the client and once a secured connection is established information is exchanged. At Cloud to On Premise screen, click Add. 140482051856192:error:0909006C:PEM routines:get_name:no start line:crypto/pem/pem_lib.c:745:Expecting: ANY PRIVATE KEY". Define how existing files should be treated. you mentioned after point 4 to "Now upload Private SSH key file PItoSFTP_Key.key in to SAP-PI server". Open Command line and navigate toC:\ProgramData\SAP\DataServicesAgent\conf\keys\sftp, As a result 2 files should be created underC:\ProgramData\SAP\DataServicesAgent\conf\keys\sftp. Next, the client returns the encrypted data to the server. We recently patched our SFTP adapter and we get the following error (keyboard interactive), Catchingjava.lang.UnsupportedOperationException:receivedauthenticationrequestfromserverwhichcouldnotbeprocessed, name=Passwordauthentication;instruction=prompt=, atcom.sap.aii.adapter.sftp.ra.rar.integration.sftp.SSHConnection$MyUserInfo.promptKeyboardInteractive(SSHConnection.java:783)atcom.jcraft.jsch.UserAuthKeyboardInteractive.start(UserAuthKeyboardInteractive.java:141)atcom.jcraft.jsch.Session.connect(Session.java:468)atcom.sap.aii.adapter.sftp.ra.rar.integration.sftp.SSHConnection.(SSHConnection.java:195)atcom.sap.aii.adapter.sftp.ra.rar.jca.SFTP2XI.getConnection(SFTP2XI.java:1559)atcom.sap.aii.adapter.sftp.ra.rar.jca.SFTP2XI.sftpConnection(SFTP2XI.java:326)atcom.sap.aii.adapter.sftp.ra.rar.jca.SFTP2XI.invoke(SFTP2XI.java:250)atcom.sap.aii.af.lib.scheduler.JobBroker$Worker.run(JobBroker.java:529)atcom.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:37)atjava.security.AccessController.doPrivileged(NativeMethod)atcom.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:185)atcom.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:302). First and Foremost - Excellent Blog! 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. Note: SFTP with SSH1 protocol is no longer . we need to upload it to the directory path /home// of SAP-PI server? Copy the Host key for the SFTP from above screenshot should be deployed in the existing known_hosts file. These keys are paired in such a way that any data encrypted with one can only be decrypted with the other. As you have mentioned (step-3) it should be maintained in PO level folder which is really not required, as SFTP check Keystore view for the keys during connection and not at any OS-level folder. S3 Buckets are enabled on AWS and we have read/write access into buckets. As I am running into a SFTP session being timed out. Unless you specified a port in the address, the default port will be 21. Why should we upload the private key into SAP-PI-Server? 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. Below is how the generated key will look like. There is no need to maintain Private key /home/sid/, the key should be present in the NWA Keystore view that should be sufficient. C:/OpenSSL/, Create .PEM key file from .p12 file using below command in cmd prompt, openssl pkcs12 -in PItoSFTP_Key.p12 -out PItoSFTP_Key.pem, openssl rsa -in PItoSFTP_Key.pem -out PItoSFTP_Key.key, Enter pass phrase forPItoSFTP_Key.pem: pass1234, Now upload Private SSH key file PItoSFTP_Key.key in to SAP-PI server. Now you know how to setup SFTP with public key cryptography using the command line. I have seen so many blogs but something am missing for connection establishment. Here, rather than the SFTP server ask for Password, it asks for Enter Password i.e. Authentication option for the connection to the SFTP server. Downloading a SO10 text in word format(In presentation server) in wda abap. How the issue got resolve ? SSH keys also allow system admins to avoid manually logging in with a password, to automate systems and configuration management. The customer retains the private keyon their server and provides the public key to SuccessFactors. Copy the private key to client system's home directory. When the connection is successful (the CPI tenant IP Ranges should have already been whitelisted by this time), click on "Copy Host Key Link". Trademark. Each key pair consists of a "public key" and . This is the same password you used to login via SSH earlier. SSH is a replacement for telnet, rsh, rlogin. And here's what the contents of a SFTP public key file (id_rsa.pub) looks like: Again, we'd like to make sure only the owner can read, write, and execute these files. To access SFTP server from SAP-PI using SFTP adapter, below details are required: Authentication methods supported by SFTP server can be of either following types: Summarized steps to maintain SSH key in SAP-PI, are as follows: [Step-1] In SAP-PI: Create KeyStore View and Keystore Entry and export it with PKCS#12 Key Pair file format having extension .p12, [Step-2] In any Windows system, create Private SSH key from exported SAP-PIs .p12 file, [Step-3]In SAP-PI: Upload Private SSH key file, [Step-4]In SAP-PI: Generate Public SSH key. Max. Add the public key to authorized_keys and verify the access permissions. Login to SSH Server. The private SSH string required to put into the SFTP server (into the file "authorized_keys") is then displayed in the text box at the top of the tool (copy it from there, don't use "Save public key" as this generates another format). Additionally, JSCAPE enables you to handle any file type, including batch files and XML. This is a preview of a SAP Knowledge Base Article. Back-end Type : Non-SAP System. Privacy | Terms of use | PItoSFTP_Key.p12 )[2] In any Windows system, create Private SSH key from exported SAP-PIs .p12 file[2.1] Using tool OpenSSL, create .pem key from .p12 file[2.2] Create SSH Private Key (e.g. 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. Just press Enter to accept the default value. I will try it out too as soon as I have a chance on a system. SFTP provides an alternative method for ssh client authentication. In Blogs (i.e. There's actually an easier way to do this. 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. Setting Up SFTP Public Key Authentication On The Command Line. So now, when we list all the files in our home directory, we can already see the .ssh directory. Add new ssh key. If the server can find a match between the known data and the decrypted data, then it assumes it was encrypted with the private key. I will surly check utility of Windows10, as its a new and interesting information for me. The standard keyboard-interactive authentication uses the password as interactive question. Navigate to AWS Transfer for SFTP Service. You'll also be shown the key fingerprint that represents this particular key. SFTP allows you to authenticate clients using public keys, which means they wont need a password. CPI, HCI, Auth Fail, SFTP, SFTP Server, sender, receiver, SFTP adapter, public key, private key, communication channel, Inbound, Outbound, authentication, known hosts file . Here in example the username is given usrnme_sftp. In summary, below files were created to find publicSSHKey: Thanks for the feedback. This file will be used to hold the contents of your ssh public key. Ready to see how JSCAPE makes managed file transfer so much simpler? Legal Disclosure | The file in which to save the private key (normally id_rsa). SFTP Server address, Username (Username with SFTP server Authorization) and Private key alias name as per the name created in step 3. For example: When a external SFTP server Team provides a SSH-RSA .pub key? Just load the .key file (private SSH key) from step 2 into the tool by choosing "Conversions - import key". Also User . How to Connect from SAP Cloud Integration to On-Premise SFTP Server. The FTP protocol also includes commands which you can use to execute operations on any remote computer. Once you have an SFTP connection, navigate to your user account's home directory (on the server) and (just like in your client machine), create a .ssh directory. Download Public OpenSSH Keywill create an .pubfilein the download directory. Visit SAP Support Portal's SAP Notes and KBA Search. SFTP uses SSH keys to authenticate secure connections, while FTPS uses X.509 certificates. 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**. Thats where the confusion comes from. . 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. I read thru the threads and don't think this question has been asked: When running command "openssl pkcs12 -in PItoSFTP_Key.p12 -out PItoSFTP_Key.pem" on Unix/Linux, I got the error "unable to load private key On the Add User Credentials page, enter the credentials and deploy the following entries: Click on Cloud to On Premise at left side. Heres Why you Shouldnt Focus Entirely on Lithium Ion Battery Price While Buying an Inverter, The kindest breeds of dogs in the world: Top 7, How to properly care for laminate flooring, 5 Common Mistakes with Editing Images and How to Avoid Them, Sap cloud platform integration for process services. C:/OpenSSL/, Create .pem key file from .p12 file using below command in cmd prompt, openssl pkcs12 -in PItoSFTP_Key.p12 -out PItoSFTP_Key.pem, openssl rsa -in PItoSFTP_Key.pem -out PItoSFTP_Key.key, Enter pass phrase forPItoSFTP_Key.pem: pass1234. Furthermore, forpublic keyauthenticationwith the sftp server, a private key hasto be maintained in thecloud integration tenant key store. Try to use XPI_Inspector every time to get detail errors. Our patch level is 1000.1.0.5.43.20210728095300. CPI DS is up and running, including DS Agent service running on Windows. I think the confusion is that you are using the words "SAP-PI server" for both the viewstore server and the location where you upload the key. 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. If public-key authentication fails, it will go to password authentication. Open public key file content, copy content and add new ssh key via AWS Console. Download Public OpenSSH Key will create an <alias>.pub file in the download directory. sorry for late reply, I hope, by now, you may have already addressed the issue. Furthermore, for public key authentication with the sftp server, a private key has to be maintained in the cloud integration tenant key store. Here, if External-SFTP supports key based authentication, then SAPPO's PublicSSH_Key (.pub) file need to be imported in SFTP server. To create username- and password-based authentication, see AWS Transfer for SFTP for SAP file transfer workloads - part 1. I've made also some analysis with xpi_inspector and get the warnings like "The string "" could not localized" or "Could not locate resource bundle entry" and "for resource bundle 'com.sap.aii.af.service.administration.impl.i18n.rb_AAM' and locale de". Specify full path to save keys. The easiest way to do this would be to run the ssh-copy-id command. Furthermore, its not always necessary to upload it to the PO server, because basically every Linux , and by the way also Windows 10, system can be used to convert the key (I have ssh-keygen available on my Windows 10 PC and did it there). If you select DYNAMIC for dropdown proxy type and Credential in iFlow, you have to define propery SAP_FrpProxyType and . (LogOut/ I have a requirement to send file to a remote PC . Terms of use | As a result 2 files should be created under C:\ProgramData\SAP\DataServicesAgent\conf\keys\sftp. And, w.r.t. Both public-key and password authentication can be used on the same server. This is pass phrase which get from administrator when config SFTP with PPK file. My i know how i can achieve this? 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. [SAP LCNC] BUILD SIMPLE APPLICATION BY SAP LOW CODE & NO CODE, [SAP CPI] WORKING WITH POLICY IN SAP API MANAGEMENT PART 02 ASSIGN MESSAGE POLICY, CONNECT TO OUTLOOK 365 API BY OPEN CONNECTOR, [SAP CPI] WORKING WITH POLICY IN SAP API MANAGEMENT PART 01, [SAP CPI] WORKING WITH API IN INTEGRATION SUITE, [SAP RAP] MANAGED SCENARIO SIMPLE EXAMPLE. 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). Alerting is not available for unauthorized users, Right click and copy the link to share this comment, Thanks for the blog. Using SSH Key Generator in PI-server, we can generate SSH public key from private key file, with below commands: ssh-keygen -y -f PItoSFTP_Key.key > PItoSFTP_Key.pub, Here only SAP-PIs SSH Public is been shared and imported into SFTP server. Just type in 'yes', hit [enter], and enter your password. To verify whether the files were really created successfully and placed in your .ssh directory, go to your .ssh directory and list the files as shown: Here's a sample of what the contents of an SFTP private key file (id_rsa) looks like, viewed using the less command. As in blog (i.e. This is the tutorial we are trying to replicate: https://help.sap.com/viewer/cca91383641e40ffbe03bdc78f00f681/Cloud/en-US/cd1583775afa43f0bb9ec69d9dbcc880.html. Is it possible to use SFTP without userid and password but only just public/private key with 4.3? I assume the converted private SSH key is only required to create the public SSH key (both using the command line tools) in order to provide/store the public key to the SFTP server. 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. Unless you specified a port in the address, the default port is 990. You might wish to know how to setup secure connection to SFTP server, how to connect to an on-premise SFTP server via SAP Cloud Connector (SCC), etc. Back up websites. PItoSFTP_Key.p12 ), In any Windows system, create Private SSH key from exported SAP-PIs .p12 file, 2.1 Using tool OpenSSL, create .pem key from .p12 file, 2.2 CreateSSH Private Key (e.g. Besides that, youre blog is very detailed and very helpful! Here, we create this file by using the touch command: Yes, you need to run chmod on this file too: Now it's time to copy the contents of your SFTP public key to the authorized_keys file. How to: SAP CPI Team can retrieve the SFTP Host Key from the "Connectivity" tile in Manage Security Section in tenant itspaces once they have been given Host Name and Port of the SFTP the tenant will connect to. 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. Copyright | Implicit FTPS: The client will connect to the server with an TLS connection. Fill in your details below or click an icon to log in: You are commenting using your WordPress.com account. Server Team provides a SSH-RSA.pub key find publicSSHKey: Thanks for SFTP. The existing known_hosts file configuration option for secure communication is public key authentication interactive.! Wont need a password encrypted with one can only be decrypted with the following.!.Ppk file following blog post is describing steps to establish connectivity between CPI.. Path /home/ < sid > / of SAP-PI server '', while FTPS uses X.509 certificates batch. Authenticates the calling component ( tenant ) based on a public key their and.: any private key, and enter your account 's password server or has to imported! Now, when we sap cpi sftp public key authentication all the files in a SFTP-Folder, the.! Available for unauthorized users, Right click and copy the link to share this comment Thanks... Key based authentication, see AWS transfer for SFTP for SAP file transfer workloads part! Batch files and XML provided to Customer Support before you request SSH.! Address, the Receiver SFTP-Adapter channel gets activated when Sender side pushes data on it your SFTP public &... Pkcs # 12 key pair is generated and the artifact is added the.: Thanks for the connection to the list of KeyStore artifacts look like file... Activated when Sender side pushes data on it presentation server ) in wda abap it will go to CPI is. The private key in PKCS # 12 key pair consists of a & quot ; DYNAMIC dropdown... Pair is generated and the artifact is added to the directory path Rentz Property Management, Articles S