sap cpi sftp public key authentication

It should connect without prompting for . Created SSH private key successfully. Login to your SFTP server via SSH. Public key authentication uses a pair of keys, one private and one public, to authenticate a connection. Legal Disclosure | 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. (LogOut/ Sorry for very late reply, till now, you may have already addressed the requirement. 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. i would like to test an existing interface working in production using filezilla. Login to your client machine and go to your home directory. There is a type of SFTP access which does not require the user to provide a password, in order to connect to their SFTPdirectory. 1123 Views Last edit Jul 15, 2021 at 07:24 AM 2 rev. 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. In this post, we'll walk you through the process of setting up this kind of authentication on the command line. Can this be acheived using FTP conenctor in CPI ? Implicit FTPS: The client will connect to the server with an TLS connection. This file will be used to hold the contents of your ssh public key. To create the SSH Key open theKeyStore available in the Operations View in Web in sectionManage Security. You'll need it later, so make sure it's a phrase you can easily recall. Just load the .key file (private SSH key) from step 2 into the tool by choosing "Conversions - import key". The ssh-copy-id program is usually included when you install ssh. In Blogs (i.e. Try to use XPI_Inspector every time to get detail errors. once SFTP server IP details provided to connect, SFTP server asks to enter password in Password pop-up using keyboards. SFTP server authentication using 'Private Key' method. Create a new Resource Group. I have a requirement to send file to a remote PC . There is no need to maintain Private key /home/sid/, the key should be present in the NWA Keystore view that should be sufficient. Yes we had exported private key in PKCS#12 Key Pair format having extension .p12. There may be many ways for same, blog details are one of the alternative which I had followed. SSH is a replacement for telnet, rsh, rlogin. PItoSFTP_Key.pub)using ssh-keygen from upload key itself, Go to SAP-PIs netweaver (nwa) page using below url, 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, Enter View name, Description and click button Create, Create a Keystore Entry in same KeystoreVview which just has 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, Export Keystore View and Keystore Entry (, Select row of Keystore 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 . SFTP provides an alternative method for ssh client authentication. At Cloud to On Premise screen, click Add. We are getting NETWORK_UNREACHABLE error every time we call the CPI. 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". My i know how i can achieve this? Hi, the confusion is clarified now I think. 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. In summary, below files were created to find publicSSHKey: Thanks for the feedback. This post explains what FTP scripts are and how to create simple scripts to transfer files. 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. SFTP server authenticates the calling component (tenant) based on a public key. The SFTP abbreviation is frequently used in error to describe FTPS. Run the ssh-keygen command: Not familiar with SFTP keys? Trademark, SAP SuccessFactors HXM Suite all versions. We are facing the same issue. 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. Schedule your demo now. Unless you specified a port in the address, the default port is 990. Welcome to the On-Premise SFTP server Connectivity in SAP Cloud Integration guide. We use cookies and similar technologies to give you a better experience, improve performance, analyze traffic, and to personalize content. To establish SSH connection betweenSAP Cloud Integration (former CPI) and SFTP server, you need to add the below parameters to thefile and deploy it on the tenant: However you do not know how to get the Host Key of SFTP server to prepare the file. The host key can either be downloaded from sftp server or has to be . Hana Database is running and connected from CPI DS. I have provided the step by step description on what all configurations required from SAP Cloud Platform Integration (CPI) Steps to Use Public Key Authentication: For secure SSH [] S3 Buckets are enabled on AWS and we have read/write access into buckets. Just type in 'yes', hit [enter], and enter your password. Alias -. Next, the client returns the encrypted data to the server. Hi guys, in this articles I share step by step how to config connection from SAP CPI to SFTP server with private/public key. To make this configuration setting work, you need to define the user name and password in aUser Credentialartifact and deploy the artifact on the tenant. 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. Change), You are commenting using your Twitter account. 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. Run ssh-copy-id. The SFTP server will respond with the message "Successfully reached host," and it will generate the Host Key. On the Add User Credentials page, enter the credentials and deploy the following entries: If SAPPO is playing the role to pull/push files from/to SFTP, then we do not need to import external-SFTP's SSH.RSA.pub key into SAPPO. The easiest way to do this would be to run the ssh-copy-id command. Check the file in SFTP server. Yes, the purpose to upload the key was to create public-key using SSH-Key gen tool in SAP-PO. Add Timestamp to filename. An authentication process that imposes two different kinds of requirements to the user (e.g., first, something they know, and, second, something they have) is called two-factor authentication. The most commonly used high-availability clustering configurations are Active-Active and Active-Passive. Note: SFTP with SSH1 protocol is no longer . If you are requesting for both test and production instances, please provide both SFTP usernames and specify which public key you want . Thanks. 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). This is a working scenario in our premises, so I do not have any reason to doubt. Refer example in Reference below. It's already done by creating thekeystore view inPI NWA (following your script). Learn how to set this up in the command line online. chmod 700 authorized_keys. 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. At your side, just re-try to export the key and run the cmd. Provide your Host, Port (By default 21) and Authentication as None and Click on Send. PItoSFTP_Key.pub)using ssh-keygen from upload key itself. Furthermore, forpublic keyauthenticationwith the sftp server, a private key hasto be maintained in thecloud integration tenant key store. Alerting is not available for unauthorized users, Right click and copy the link to share this comment. However, my comments are as: I think you are adopting "Key based Authentication", and for same, you need public SSH-Key (*.pub) file, which can be imported into SFTP-server. Navigate to AWS Transfer for SFTP Service. Plain FTP no encryption: No encryption will be applied, for productive use (not recommended). Sorry for late reply..please find below input, hope it may help you if issue at your side still persists. Ready to see how JSCAPE makes managed file transfer so much simpler? SSH is a replacement for telnet, rsh, rlogin. Where first is a private key and second is a public key. The server sends his public key to the client. Add new ssh key. (It wouldnt make sense if the configured private key in the keystore would not be used and instead it used one that was uploaded to the /home/ folder). Fail: sends an error message in case files already exists, Ignore: ignores the existing file and doesnt send an error message, Override: replaces existing file and saves it under existing name, You can configure this parameter by entering a dynamic expression such like${property.property_name}or${header.header_name}. 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). Add the timestamp in format YYYYMMDD_HHMMSS-xxx before the extension of the filename. you mentioned after point 4 to "Now upload Private SSH key file PItoSFTP_Key.key in to SAP-PI server". I believe the HANA Db used in the example can be applied to the IBP system as well, Alerting is not available for unauthorized users, Right click and copy the link to share this comment. Please highlight if any query/part need to be enlighten that may help everyone who refer this blog. Thanks provided information. This is a preview of a SAP Knowledge Base Article. Upload SSH Key into AWS Transfer for SFTP. First and Foremost - Excellent Blog! When you're done, exit your SSH session. openssl pkcs12 -in PItoSFTP_Key.p12 -out PItoSFTP_Key.pem" on Unix/Linux, I got the error "unable to load private key. Learn more about using Public Key Authentication. The Public Key must be provided in .pub or .txt format otherwise we are unable to install it. Click more to access the full version on SAP for Me (Login required). 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. 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 . Navigate to AWS Transfer for SFTP Service. After setting up the SFTP Channel in iflow deploy the iflow. This app is very useful for file transfer between combinations of PC folders, ftp servers, cloud storage services and mobile devices. 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. 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). Enter command ssh-keygen. The objective of this blog is to provide different approaches the file system with SFTP and FTP with CPI and adding user credentials and connectivity test. 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. Learn how your comment data is processed. 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. 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. In blog showing SSF key assignment. ). To create username- and password-based authentication, see AWS Transfer for SFTP for SAP file transfer workloads - part 1. SFTP allows you to authenticate clients using public keys, which means they wont need a password. 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. Step 2: Open PuttyGen and load the private key that was exported in Step 1. This guide can be used specifically for Amazon Web Services (AWS Transfer for SFTP). I, and other readers probably too, assume that you upload the file to this directory so that PO can use it for the adapter, but thats not the reason! Trademark. Specify full path to save keys. Check the database table. with online link. Also User . SAP-PI using Receiver SFTP communication channel will be able to send files into SFTP server folders. SFTP uses SSH keys to authenticate secure connections, while FTPS uses X.509 certificates. Our patch level is 1000.1.0.5.43.20210728095300. 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. 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. That is not so clear in the blog, maybe you could clarify it. This time, you'll be asked to enter the passphrase instead of the password. 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. SFTP server authenticates the calling component (tenant) based on the user name and password. Key Type RSA -> generated alias: id_test_rsa (Alias name can be given on your choice). Terms of use | the user-name); the client sends . 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. Assign the required permissions for this directory by running: Next, navigate to your newly created .ssh directory and create the file ssh/authorized_keys (called authorized_keys). For example: When a external SFTP server Team provides a SSH-RSA .pub key? ( Irrespective of how the keys have generated the keys just needs to be present in Keystore view and not any folders), If you see the steps followed by us, it is like:[1] In SAP-PI: Create KeyStore View and Keystore Entry and export it with PKCS#12 Key Pair file format having extension .p12 (e.g. 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 It provides faster transfers without any connection issues. Click that link to learn more about them. 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/. Yes, you are right, we had ssh-keygen in SAP-PO server only, so we had uploaded the key into respective dir and created public key. For more clarity, I have updated the blog with summarized steps, which may help you, please have a look once. Sometimes, sFTP server has enabled one property called Keyboard Interactive authentication. In the creation dialog select and define the key specific values and define a validity period. 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. Whenrequirement is to get/read files from SFTP server folder, we use Sender SFTP Adapter. @Listener Services in SFTP Adapater:Please find below comments if it helps to throw some light in same regard: I've set up the interface like you have described, but my SFTp adapter (sender CCV) gives the error message "Nullpointerexception" when I try to read the target file with content conversion mode. For configuration connect from CPI to SFTP by using credential user, kindly see this blog. Is this something specific to be provided by vendor or developer can enter this on its own will. https://blogs.sap.com/2019/10/01/creating-trail-account-for-cloud-platform-integration-on-cloud-foundry-environment-creating-user-credentials-and-connection-test/, https://blogs.sap.com/2020/07/08/cloud-integration-connecting-to-ftps-servers-using-the-ftp-adapter/. SSH keys also allow system admins to avoid manually logging in with a password, to automate systems and configuration management. Your email address will not be published. CPI needs to pull the files from SFTP server using Public Key Authentication method. For configuration connect from CPI to SFTP by using credential user, kindly see this blog. Like any other middlewares out there which can get activated only when the third party pushes the data to it ? The file contains the public key in openSSH format, which can be used to be put to the sftp server. One more hint for readers: step 4 can also be done by the freeware tool puttygen (PuTTY Key Generator). Search for additional results. SAP-PI can use SFTP Adapter in below two manners: SFTP Sender Adapter: To pull files from SFTP servers folder, SFTP Receiver Adapter: To push files to SFTP servers folder, SFTP Sender Communication ChannelConfiguration, SFTP Receiver Communication ChannelConfiguration, If SFTP Server Fingerprint details are not available then we can ignore it by providing input as, SFTP Server Fingerprint can be generated using any standard tool like FileZilla, where we need to provide SFTP server details (IP/Port/User-id/Password) and while connecting, tool will show SFTPs fingerprint, While connecting SFTP- Server, SAP-PI uses following details for authentication in its SFTP-Adapter, For reference, following screen of SAP-PIs SFTP-Adapter is been given, Here SFTP server is accessible via its user-id/password, Here SFTP server is accessible via its user-id/password but it requires keyboard interactions. Copyright | 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. This app is very useful for file transfer between combinations of PC folders, ftp servers, cloud storage services and mobile devices. 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. Thats where the confusion comes from. is there a way to implement that key in SAP PO? I hope this blog post helps you to understand the basic concepts of SFTP and FTP and Configuration the user credentials and testing the SFTP and FTP. Choose Add feature, user-credentials. SSH - Key based Authentication . You'll also be shown the key fingerprint that represents this particular key. 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. For public key authentication at the sftp server the public key of the cloud integration tenants private key is needed in the sftp server. Thanks again for the otherwise helpful blog. The syntax is: ssh-copy-id -i id_rsa.pub user@remoteserver. Provide your Host, Port (By default 22) and Authentication as None and Click on Send. Open Putty Key Gen. Click "Generate.". 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. 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 .
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