sap cpi sftp public key authentication

Save. 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. FTP allows you to utilize separate control and data connections between the client and server applications. You write in step 3: Upload Private SSH key file (PItoSFTP_Key.key file) into directory path /home//. The customer retains the private keyon their server and provides the public key to SuccessFactors. For example: When a external SFTP server Team provides a SSH-RSA .pub key? Recommended article: Setting Up an SFTP Server. Do we know if SAP changed something? Privacy | 1123 Views Last edit Jul 15, 2021 at 07:24 AM 2 rev. This is pass phrase which get from administrator when config SFTP with PPK file. 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. 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 [] Features such as high availability, disaster recovery, and failover are based on the capabilities of the underlying SCP infrastructure. Fill in your details below or click an icon to log in: You are commenting using your WordPress.com account. Check out our online tutorial to learn how to set up automated AS2 file transfers using our MFT server. In Blogs (i.e. Provide your Host, Port (By default 21) and Authentication as None and Click on Send. You upload it there just to use the Linux command line tool ssh-keygen to convert that key into the public SSH key. To do that, change the user permissions of the directory by running: Next, we need to populate our .ssh directory with the public/private key pair we'll be using for our sftp key authentication. Hope this para clarifies the things. Also User/Password can be used instead, in this case user credentials have to be deployed in the cloud integration tenant. 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. Creation and maintenance of SSH private/public key is been given in blog, please go through it. 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. This is a preview of a SAP Knowledge Base Article. The SFTP server will respond with the message "Successfully reached host," and it will generate the Host Key. Click the "Deploy to Azure" button at the beginning of this document or follow the instructions for command line deployment using the scripts in the root of this repository. Following blog post is describing steps to establish connectivity between CPI DS and AWS SFTP. The first thing you'll want to do is create a .ssh directory on your client machine. 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. Just enter: You should now be inside your home directory. 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. 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 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. 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. Unless you specified a port in the address, the default port is 990. Alerting is not available for unauthorized users, Right click and copy the link to share this comment. 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. As in blog (i.e. SFTP server authenticates the calling component (tenant) based on a public key. That is not so clear in the blog, maybe you could clarify it. In this post, we'll walk you through the process of setting up this kind of authentication on the command line. Thanks for the blog. Specify full path to save keys. For the authentication step based on public key: User name contained in the deployed artifact with name given by the . SAP Cloud Integration; Keywords. Download Public OpenSSH Key will create an <alias>.pub file in the download directory. We use cookies and similar technologies to give you a better experience, improve performance, analyze traffic, and to personalize content. Search for additional results. 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. PItoSFTP_Key.key ) from .pem key, In SAP-PI: Upload Private SSH key file (PItoSFTP_Key.key file) into directory path /home//, In SAP-PI: Generate Public SSH key (e.g. Go to CPI DS and create new Datastore with the following settings. Fill in the information. Search: Soap To Soap Scenario In Sap Cpi. One question - Does the new SFTP adapter (SP05 Version) has listener services. In SAP PI, we can access SFTP server of client using SFTP Adapter. One more hint for readers: step 4 can also be done by the freeware tool puttygen (PuTTY Key Generator). 140482051856192:error:0909006C:PEM routines:get_name:no start line:crypto/pem/pem_lib.c:745:Expecting: ANY PRIVATE KEY". I have a requirement to send file to a remote PC . This is the tutorial we are trying to replicate: https://help.sap.com/viewer/cca91383641e40ffbe03bdc78f00f681/Cloud/en-US/cd1583775afa43f0bb9ec69d9dbcc880.html. 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/. Specify the transport encryption. There is a type of SFTP access which does not require the user to provide a password, in order to connect to their SFTPdirectory. 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 . Currently we are tweaking with increasing the timeout and poll interval parameters to see if this timeout error goes away. The easiest way to do this would be to run the ssh-copy-id command. Thats where the confusion comes from. Besides that, youre blog is very detailed and very helpful! 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. 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. We are facing the same issue. Below is how the generated key will look like. Change). In blog showing SSF key assignment. Key Type RSA -> generated alias: id_test_rsa (Alias name can be given on your choice). Learn how to set up an AS2 server online at JSCAPE today! I have the private key entry maintained in NWA as shown below: To access the SFTP box from filezilla is need .ppk file. The FTP/SFTP command can automate the following: File uploads and downloads. Protocol : TCP. In newest release, CPI support type DYNAMIC for Proxy Type and Authentication dropdown. (LogOut/ 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. 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. You will see the Response message from FTP server as Successfully reached host. FTP adapter will be available for SAP Cloud Integration customers with the 04-July-2020 release. Click on Cloud to On Premise at left side. Whenrequirement is to get/read files from SFTP server folder, we use Sender SFTP Adapter. The file contains thepublic keyin openSSH format, which can be used tobe put to the sftp server. Alias -. These keys are paired in such a way that any data encrypted with one can only be decrypted with the other. Learn how to set this up in the command line online. 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. Define how existing files should be treated. Visit SAP Support Portal's SAP Notes and KBA Search. Please submit an incidentunder the component LOD-SF-PLT-FTPS for the technical team to proceed with the SSH key upload in the SF SFTP account. Is this something specific to be provided by vendor or developer can enter this on its own will. 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. This time, you'll be asked to enter the passphrase instead of the password. 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. I will surly check utility of Windows10, as its a new and interesting information for me. Make sure to specify the SFTP username that you want the public key installed on. At step "[Step-3] In SAP-PI: Upload Private SSH key' file", may I know why do. SFTP server authentication using 'Private Key' method. For example, to change directories, show folder contents, create folders or delete files. Following blog post illustrates how to configure connectivity between CPI DS and SFTP via public 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, 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. In the screenshot below, we used ls -a to list all the files and folders in our home directory. Setting Up SFTP Public Key Authentication On The Command Line. An SSH key contains only a public key, and no information about the owner of the key. Now it's time to copy the contents of your SFTP public key to the authorized_keys file. CPI, HCI, Auth Fail, SFTP, SFTP Server, sender, receiver, SFTP adapter, public key, private key, communication channel, Inbound, Outbound, authentication, known hosts file . (LogOut/ Such sFTP servers can easily be accessed using any standard tool like FileZilla or WinScp, here we always provide input from keyboard, But SAP-PIs SFTP adapter throws following type of error for such sFTP-server connections where keyboard-interactive authentication is required, The current version of SAP-PIs SFTP adapter does not support, Install SFTP SP02 Patch 6 in SAP-PI server, here, there is no need to re-import metadata of SFTP-Adapter in ESB/R (Enterprise Service Repository), In SAP-PI: Create KeyStore View and Keystore Entry and export it with PKCS#12 Key Pair file format having extension .p12 (e.g. If you select DYNAMIC for dropdown proxy type and Credential in iFlow, you have to define propery SAP_FrpProxyType and . For more clarity, I have updated the blog with summarized steps, which may help you, please have a look once. Terms of use | I am trying to connect to one sftp server where the authentication method we want to use is public key. You'll want to make sure only the owner of this account can access this directory. 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. 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. Port or Port Range : 1 - 65535. 4. 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**. 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. 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. Secure FTP for secure remote file transfer. 'xxx' is a random . 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. SAP SFTP Receiver Adapter with Dynamic Filename This example show SAP own SFTP receiver adapter to connect to Concur SFTP site, to send master data to Concur. Implicit FTPS: The client will connect to the server with an TLS connection. Why should we upload the private key into SAP-PI-Server? For generating the public key,could we use puttygen instead of using the commands in the script (which I don't know where to use)? (It's also possible that PO runs on a Windows server, then it might not have ssh-keygen. The easiest way to do this would be to run the ssh-copy-id command. Public key authentication uses a pair of keys, one private and one public, to authenticate a connection. 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. Public Key Authentication from CPI to SFTP Server. i would like to test an existing interface working in production using filezilla. 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). After setting up the SFTP Channel in iflow deploy the iflow. Would you like to try this yourself? If we have to upload anyway,where should it be uploaded? Generate 'Public SSH Key': Using SSH Key Generator in PI-server, we can generate SSH public key from private key file, with below commands: su <sappi-adm-id> chmod 600 PItoSFTP_Key.key; ssh-keygen -y -f PItoSFTP_Key.key > PItoSFTP_Key.pub; Thus SAP-PI's 'Public SSH Key' file 'PItoSFTP_Key.pub' has been generated; Note: Legal Disclosure | After the connectivity is setup, you can connect to sftp server using the sftp sender or receiver adapter. 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 . 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. This file will be used to hold the contents of your ssh public key. The server then grants access and authenticates the connection, because it assumes the client is in possession of the private key. How to connect toSFSF hosted SFTP servers using the SSH Key. We are getting NETWORK_UNREACHABLE error every time we call the CPI. You will see the Response message from SFTP server as Successfully reached host, and it will generate Host Key. Enter passphrase. At runtime, the system evaluates the values of additional parameters in the following way: For the authentication step based on user credentials: Credentials from the deployed artifact with the name given by theCredential Nameparameter are evaluated by the system to authenticate the tenant against the SFTP server. Make sure records being created. Save the file with .pem extension. Actually, We can use externalize parameter. Change the permission to 400. 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. Upload SSH Key into AWS Transfer for SFTP. Max. PItoSFTP_Key.pub)using ssh-keygen from upload key itself. I need an urgent help from your end. Thanks provided information. Downloading a SO10 text in word format(In presentation server) in wda abap. Run the ssh-keygen command: Not familiar with SFTP keys? This is the same password you used to login via SSH earlier. 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. Welcome to the On-Premise SFTP server Connectivity in SAP Cloud Integration guide. To verify that everything went well, ssh again to your SFTP server. Enter your hostname, port (by default 22, and the authentication user Credential (select the credential defined above), and then click Send. In summary, below files were created to find publicSSHKey: Thanks for the feedback. Back-end Type : Non-SAP System. This post explains what FTP scripts are and how to create simple scripts to transfer files. Furthermore, for public . Add the public key to authorized_keys and verify the access permissions. @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. 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. 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. Where first is a private key and second is a public key. In SAP CPI monitoring view, choose Security material function. Now I see where the confusion comes from! Please let me know the steps i have . 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. We are trying to access an on-premise SAP system from CPI, and although the Connectivity test (SSH) is working properly with the locationID, we can't connect to the SFTP from Groovy script (actual iFlow). This guide can be used specifically for Amazon Web Services (AWS Transfer for SFTP). Finally, the server uses the public key to decrypt it. 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. once SFTP server IP details provided to connect, SFTP server asks to enter password in Password pop-up using keyboards. Choose the subscription you want to create the sftp service in. You have configured public key authentication from your CPI tenant to an SFTP server but the connection test returns the following error: . In address field provide the SFTP server address, for username provide the username with SFTP server access (e.g. There's actually an easier way to do this. Vitural host : alias name for external system call in ( ex : sftp.cloud) In this article, I shared step by step How to connect SFTP from CPI by using private/public key. In the creation dialog select and define the key specific values and define a validity period. Create a new Resource Group. Additionally, JSCAPE enables you to handle any file type, including batch files and XML. 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?" Enter command ssh-keygen. When I change the adapter and do a SFTP file download and open it in lokal FTP server with same CCV settings than I can process it. 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 don't think this question has been addressed yet. your query, for connection (with SFTP), in NWA, in Certificates and Keys: Key Storage, we have private key entry (1st step only). If public-key authentication fails, it will go to password authentication. Create and deploy the SSH Key. Terms of use | 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. SFTP (full form SSH File Transfer Protocol) is a part of the SSH protocol suite. SAP HCI - SAP Cloud Platform Integration: 2017/07/09: 2017-07-09 17:05:24: Debug/Logging Headers, Properties, Payload Body using Groovy Scripts: SAP HCI - SAP Cloud Platform Integration: 2017/07/07: 2017-07-07 01:06:43: Simple Hello iFlow using Sender SOAP Adapter, WSDL and Mapping Step: SAP HCI - SAP . I also share how to test by Test Tool in SAP CPI. Copyright | sFTP Processing Parameters, Timestamp to File Name, Message-ID to File Name, Write Mode, etc. Login to AWS Console. Add new ssh key. SFTP provides an alternative method for ssh client authentication. Copyright | I will try it out too as soon as I have a chance on a system. The file contains the public key in openSSH format, which can be used to be put to the sftp server. Terms of use | sorry for late reply, I hope, by now, you may have already addressed the issue. Visit SAP Support Portal's SAP Notes and KBA Search. 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. 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). Visit SAP Support Portal's SAP Notes and KBA Search. And to read files from a SFTP-folder, the Sender SFTP-Adapter channels works on fix Poll-Intervals to watch any SFTP-folder. Run task to test connectivity and make sure records from file located in SFTP have been replicate to HANA DB Table. 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. This means the client starts the handshake at the beginning of the communication. The Server fingerprint can get from SFTP client, like FileZilla, CoreFTP. Now using tool OpenSSL (in any windows local desktop) perform below activities: ExtractOpenSSL in to a directory for e.g. 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. JSCAPE MFT Server uses AES encryption on its services. For Username give the username who has authorization for SFTP server. Welcome to the On-Premise SFTP server Connectivity in SAP Cloud Integration guide. To establish an SFTP connection, the client first encrypts some data that the server already knows, such as the username, with the private key. If you are requesting for both test and production instances, please provide both SFTP usernames and specify which public key you want . Trademark, SAP SuccessFactors HXM Suite all versions. [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.

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