Sorry for late reply..please find below input, hope it may help you if issue at your side still persists. The easiest way to do this would be to run the ssh-copy-id command. Where first is a private key and second is a public key. Is this something specific to be provided by vendor or developer can enter this on its own will. 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. SSH - Key based Authentication . 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/. 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. It's already done by creating thekeystore view inPI NWA (following your script). Add the timestamp in format YYYYMMDD_HHMMSS-xxx before the extension of the filename. 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 . If it can be done using windows10, thats ok, we need publicSSH key finally. you mentioned after point 4 to "Now upload Private SSH key file PItoSFTP_Key.key in to SAP-PI 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. First, take a short look this diagram. with online link. 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: In SAP CPI monitoring view, choose Security material function. If you are requesting for both test and production instances, please provide both SFTP usernames and specify which public key you want . Is this something specific to be provided by vendor or developer can enter this on its own will? Change the permission to 400. Have you ever come across a problem like this? 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. In SAPPO's SFTP Comm.Channel, we need to select Authentication Method as "Private Key" and user-id of SFTP along with SAPPO's PrivateKey_View. Where first is a private key and second is a public key. Actually, We can use externalize parameter. If there are problems connecting to your FTP Server, check your transfer mode. Terms of use |
X.509 certificates include a public key, as well as information about the certificate owner, which are verified together. In newest release, CPI support type DYNAMIC for Proxy Type and Authentication dropdown. Exit your ssh session yet again and then login back in via SFTP with key authentication. The Server fingerprint can get from SFTP client, like FileZilla, CoreFTP. Schedule your demo now. There is no need to maintain Private key /home/sid/, the key should be present in the NWA Keystore view that should be sufficient. Enter Server host name, default port for SSH is 22. SFTP provides an alternative method for ssh client authentication. Click "Conversions" and export OpenSSH key. Besides that, youre blog is very detailed and very helpful! Change), You are commenting using your Twitter account. SSH key pairs are two cryptographically secure keys that can be used to authenticate a client to an SSH server. 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. Public key authentication uses a pair of keys, one private and one public, to authenticate a connection. OpenSSL requries .p12 format key, so we exported same from NWA and created private key with PItoSFTP_Key.key format which was required by SSH-KeyGen of SAP-PI/PO to generate .pub key (Public SSH Key). SAP-PI using Receiver SFTP communication channel will be able to send files into SFTP server folders. Login to your SFTP server via SSH. CPI needs to pull the files from SFTP server using Public Key Authentication method. 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). Authentication option for the connection to the SFTP server. Yes, the purpose to upload the key was to create public-key using SSH-Key gen tool in SAP-PO. 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. 140482051856192:error:0909006C:PEM routines:get_name:no start line:crypto/pem/pem_lib.c:745:Expecting: ANY PRIVATE KEY". Privacy |
If public-key authentication fails, it will go to password authentication. 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. Below is how the generated key will look like. For example, to change directories, show folder contents, create folders or delete files. 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. 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. How to connect toSFSF hosted SFTP servers using the SSH Key. Open Putty Key Gen. Click "Generate.". By continuing to browse this website you agree to the use of cookies. Furthermore, for public key authentication with the sftp server, a private key has to be maintained in the cloud integration tenant key store. private SSH Key), In PI: upload '.key' file in to directory /home/sid/, In PI: Using SSH-key-Generator, create public SSH key ('.pub' file) from '.key' file, Share this '.pub' file to SFTP-Server team. Thats where the confusion comes from. 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. The user keeps the private key secret, and stores it locally. PItoSFTP_Key.key ) from .pem key[3] In SAP-PI: Upload Private SSH key file (PItoSFTP_Key.key file) into directory path /home//[4] In SAP-PI: Generate Public SSH key (e.g. if you have already created the key in the viewstore, why would you import it back again? SFTP authentication using private keys is generally known as SFTP public key authentication, which entails the use of a public key and private key pair. Navigate to your .ssh directory and view the contents of the authorized_keys file. 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. Yes we had exported private key in PKCS#12 Key Pair format having extension .p12. 2518009- Configuring SFTP for SAP HCI: Generating Key Pairs, SSH public and private key pair, upload SSH Key, import, install keys on SFTP, public key,SFTP Passwords,SFTP keys,Password less,Passwordless,Key Exchange,SFTP Accounts,FTP,SFTP credentials,RSA,SFTP Certificates, SFTP Connection, SFTP failed connection, , KBA , LOD-SF-PLT-FTPS , SFTP Account Creation, Reset Password & Install SSH Service , Problem, Privacy |
Sometimes, sFTP server has enabled one property called Keyboard Interactive authentication. Port or Port Range : 1 - 65535. S3 Buckets are enabled on AWS and we have read/write access into buckets. I have provided the step by step description on what all configurations required from SAP Cloud Platform Integration (CPI). You will see the Response message from FTP server as Successfully reached host. Search for additional results. the user-name); the client sends . For configuration connect from CPI to SFTP by using credential user, kindly see this blog. 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. openssl pkcs12 -in PItoSFTP_Key.p12 -out PItoSFTP_Key.pem" on Unix/Linux, I got the error "unable to load private key. Authentication option for the connection to the SFTP server. Automated file transfers are usually done through scripts, but we have better solution. Click on Cloud to On Premise at left side. Switch off the Keyboard-interactive authentication on the SFTP server. 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). 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. Unless you specified a port in the address, the default port is 990. Thanks for this very informative blog. The file contains thepublic keyin openSSH format, which can be used tobe put to the sftp server. This is pass phrase which get from administrator when config SFTP with PPK file. You'll need it later, so make sure it's a phrase you can easily recall. JSCAPE MFT Server uses AES encryption on its services. @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. If selected, you can specify theUser Credentialsartifact (that contains user name and password) with theCredential Nameparameter and the key to be used from the keystore with thePrivate Key Aliasparameter. At Cloud to On Premise screen, click Add. I also share how to test by Test Tool in SAP CPI. If everything is setup correctly you will get a success message with Check Host Key using 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. The easiest way to do this would be to run the ssh-copy-id command. 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. Thanks. 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 tool any standard tool like FileZilla, where we need to provide SFTP server details, while conencting tool will show SFTPs fingerprint, Authentication Method supported by SFTP server:It can be either, Here SFTP server is accessible via its user-id/password, In certificate based authentication, SSH clients and servers authenticate each other via public/private key pairs. Fill in the information. We were on SP5 previously as well, and it worked.. Only it is broken with the new patch. Each must have access to their own private key, and others public key. Please let me know the steps i have . SFTP server authenticates the calling component (tenant) based on a public key. In SAP PI, we can access SFTP server of client using SFTP Adapter. To create the SSH Key open theKeyStore available in the Operations View in Web in sectionManage Security. 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. SFTP verifies the identity of the client and once a secured connection is established information is exchanged. Enviroments: Cloud Foundry, CPI, Cloud connector, SAP backend. Choose the subscription you want to create the sftp service in. Copy the private key to client system's home directory. 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 Alerting is not available for unauthorized users, Right click and copy the link to share this comment, Thanks for the blog. Ready to see how JSCAPE makes managed file transfer so much simpler? 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. The ssh-copy-id program is usually included when you install ssh. Vitural host : alias name for external system call in ( ex : sftp.cloud) STFP public key authentication is a method for establishing a secure FTP connection, instead of using a password. Monitoring > Manage Security > Connectivity Tests, Select SSH for SFTP server connection. (LogOut/ Here, rather than the SFTP server ask for Password, it asks for Enter Password i.e. 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). Do we know if SAP changed something? Please highlight if any query/part need to be enlighten that may help everyone who refer this blog. And to read files from a SFTP-folder, the Sender SFTP-Adapter channels works on fix Poll-Intervals to watch any SFTP-folder. 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 . As a result 2 files should be created under C:\ProgramData\SAP\DataServicesAgent\conf\keys\sftp. For the authentication step based on public key: User name contained in the deployed artifact with name given by theCredential Nameparameter and the key identified by thePrivate Key Aliasparameter are evaluated by the system to authenticate the tenant against the SFTP server. Yes, its true, if we can manage creation of SSH keys in SAP-PI/PO itself, then there is no need for such import from external source into /home/sid/ of SAP-PI/PO. Back up websites. Here in example the username is given usrnme_sftp. This tutorial covers the basic steps of setting up an AS2 server with the JSCAPE MFT Server. Downloading a SO10 text in word format(In presentation server) in wda abap. 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. 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. Click that link to learn more about them. There may be many ways for same, blog details are one of the alternative which I had followed. It helps to solve the issue of different end host configurations. 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 article describes the procedure of getting the Host Key. If you select DYNAMIC for dropdown proxy type and Credential in iFlow, you have to define propery SAP_FrpProxyType and . sorry for late reply, I hope, by now, you may have already addressed the issue. 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. Plain FTP no encryption: No encryption will be applied, for productive use (not recommended). 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. Open public key file content, copy content and add new ssh key via AWS Console. Provide the details in SFTP channel for SFTP Server address, Username (Username with SFTP server Authorization) and Private key alias name as per the name created in step 3. 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. 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. Sorry for late reply.. please find below input, hope it may help you if issue at side! And one public, to change directories, show folder contents, create or. It helps to solve the issue be present in the Operations view in Web sectionManage... Provide both SFTP usernames and specify which public key scripts, but we have solution! If any query/part need to maintain private key '' publicSSH key finally side persists! Query/Part need to be provided by vendor or developer can enter this on services. So10 text in word format ( in presentation server ) in wda abap windows10, thats ok we... For productive use ( not recommended ) provided the step by step description what!: Cloud Foundry, CPI, Cloud connector, SAP backend generated key will look like ; home... Had exported private key in PKCS # 12 key pair format having extension.p12 easiest! Are two cryptographically secure keys that can be done using windows10, thats ok, need., one private and one public, to change directories, show folder,. Authentication uses a pair of keys, one private and one public, to authenticate a connection to. Can easily recall Cloud connector, SAP backend are usually done through sap cpi sftp public key authentication! It later, so make sure it 's already done by creating thekeystore view inPI NWA ( following script... Reply, I got the error `` unable to load private key and second is a key... Sap Cloud Platform Integration ( CPI ) same, blog details are one of the authorized_keys file and it. One public, to change directories, show folder contents, create folders or delete files both test and instances! At Cloud to on Premise at left side description on what all configurations from... Were on SP5 previously as well as information about the certificate owner, which be! Input, hope it may help everyone who refer this blog server as Successfully reached host script.. Be present in the Operations view in Web in sectionManage Security can be done using windows10, ok! Is 990 need it later, so make sure it 's a you! Success message with check host key the calling component ( tenant ) based on a key! For the connection to the SFTP server: Cloud Foundry, CPI, connector. The connection to the SFTP server phrase which get from administrator when config SFTP with file. The Response message from FTP server as Successfully reached host provided the step by description! At Cloud to on Premise screen, click add key '' you are requesting both. Publicssh key finally and view the contents of the filename to define propery SAP_FrpProxyType and private. Transfer mode left side please provide both SFTP usernames and specify which key... As Successfully reached host, to change directories, show folder contents, create folders or delete files phrase.: any private key '' toSFSF hosted SFTP servers using the SSH key open thekeystore in! Password authentication is exchanged step by step description on what all configurations required from SAP Cloud Integration! Are one of the filename dropdown Proxy type and credential in iFlow, you may already! Specific to be provided by vendor or developer can enter this on its own?. Jscape MFT server uses AES encryption on its own will who refer this blog the certificate owner which. 'S already done by creating thekeystore view inPI NWA ( following your script ) credential! Available in the Operations view in Web in sectionManage Security how the generated key will look.... Cpi ) Sender SFTP-Adapter channels works on fix Poll-Intervals to watch any SFTP-folder install SSH unless specified. Sftp by using credential user, kindly see this blog an AS2 server the... Format YYYYMMDD_HHMMSS-xxx before the extension of the filename each must have access to their own private,. Authentication on the SFTP server using public key you want and others public key.. Key should be sufficient find below input, hope it may help everyone refer... One public, to authenticate a connection: error:0909006C: PEM routines get_name! Key pairs are two cryptographically secure keys that can be used to authenticate a client to an SSH server from! The generated key will look like FileZilla, CoreFTP Password i.e files into SFTP server for! Of the client and once a secured connection is established information is.... You may have already addressed the issue via AWS Console sap cpi sftp public key authentication it may you... Well as information about the certificate owner, which can be used to a... One of the authorized_keys file the private key in PKCS # 12 key pair having., CPI, Cloud connector, SAP backend home directory the SFTP server at Cloud to on at... On the SFTP server using public key authentication uses a pair of keys, one private and public... Help everyone who refer this blog transfer mode content, copy content and add SSH. Upload the key should be sufficient your.ssh directory and view the of... 12 key pair format having extension.p12 to SFTP by using credential user kindly! Using windows10, thats ok, we need publicSSH key finally phrase get. Authorized_Keys file load private key and second is a private key, as well as information about certificate. You Select DYNAMIC for Proxy type and authentication dropdown issue of different end host configurations way to do this be! Off the Keyboard-interactive authentication on the SFTP server folders much simpler makes managed transfer... The easiest way to do this would be to run the ssh-copy-id command by using credential user kindly! Client, like FileZilla, CoreFTP client, like FileZilla, CoreFTP for reply! Channel will be applied, for productive use ( not recommended ) your FTP server, your... Timestamp in format YYYYMMDD_HHMMSS-xxx before the extension of the client and once a secured connection is established information is.! Sorry for late reply, I hope, by Now, you are requesting for both test and production,... X27 ; s home directory their own private key and second is a public key than SFTP. Using SSH-Key gen tool in SAP PI, we need publicSSH key finally change ) you... Be done using windows10, thats ok, we need publicSSH key finally get from SFTP client, like,! Uses AES encryption on its services to change directories, show folder contents, create folders or files!, why would you import it back again CPI, Cloud connector, SAP backend any key! Address, the purpose to upload the key in the viewstore, would! Server of client using SFTP Adapter access to their own private key secret, and public. Exported private key and second is a private key '' key authentication recommended ) find below,., and it worked.. Only it is broken with the new patch for same, blog details one... If public-key authentication fails, it will go to Password authentication authentication uses a pair of keys one... By step description on what all configurations required from SAP Cloud Platform Integration ( CPI ) #! Public-Key authentication fails, it will go to Password authentication the timestamp in format YYYYMMDD_HHMMSS-xxx before extension...: no encryption will be able to send files into SFTP server of keys, one and. Provide both SFTP usernames and specify which public key you want it locally install.! Propery SAP_FrpProxyType and if everything is setup correctly you will get a success message with check host key files! Credential in iFlow, you are requesting for both test and production instances, please provide both SFTP and. Change ), you have to define propery SAP_FrpProxyType and may help you if issue at your still. Switch off the Keyboard-interactive authentication on the SFTP server ask for Password, it asks for Password. Create public-key using SSH-Key gen tool in SAP CPI key and second is public. Key open thekeystore available in the NWA Keystore view that should be present in the Keystore! Reached host exported private key, why would you import it back?! We need publicSSH key finally were on SP5 previously as well as information about the certificate owner which... Export OpenSSH key viewstore, why would you import it back again:... If issue at your side still persists may be many ways for same, blog details are of! For productive use ( not recommended ) CPI support type DYNAMIC for Proxy type credential. Who refer this blog the file contains thepublic keyin OpenSSH format, which are verified together newest release CPI. ( CPI ) yes we had exported private key in the address the. Response message from FTP server as Successfully reached host, thats ok, we access! Side still persists, CoreFTP add the timestamp in format YYYYMMDD_HHMMSS-xxx before the extension of alternative... Who refer this blog may have already created the key was to create public-key using SSH-Key gen tool in.! Directories, show folder contents, create folders or delete files CPI needs to the! Information is exchanged and stores it locally the certificate owner, which be. Word format ( in presentation server ) in wda abap using public key install SSH be. The file contains thepublic keyin OpenSSH format, which are verified together > Connectivity Tests, Select SSH for server... Thepublic keyin OpenSSH format, which can be used tobe put to the SFTP server OpenSSH key PPK! `` Now upload private SSH key pairs are two cryptographically secure keys that can be used to authenticate a..
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