sap cpi sftp public key authentication

S3 Buckets are enabled on AWS and we have read/write access into buckets. SFTP server authenticates the calling component (tenant) based on a public key. 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). Upload SSH Key into AWS Transfer for SFTP. 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/. Please highlight if any query/part need to be enlighten that may help everyone who refer this 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. 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. Besides that, youre blog is very detailed and very helpful! SSH is a replacement for telnet, rsh, rlogin. We are facing the same issue. There's actually an easier way to do this. Visit SAP Support Portal's SAP Notes and KBA Search. 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! I have seen so many blogs but something am missing for connection establishment. In address field provide the SFTP server address, for username provide the username with SFTP server access (e.g. AWS Transfer for SFTP service is enabled in AWS Console on top of S3 Bucket Service. Implicit FTPS: The client will connect to the server with an TLS connection. 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. You have configured public key authentication from your CPI tenant to an SFTP server but the connection test returns the following error:com.jcraft.jsch.JSchException: Auth Fail, CPI, HCI, Auth Fail, SFTP, SFTP Server, sender, receiver, SFTP adapter, public key, private key, communication channel, Inbound, Outbound, authentication, known hosts file, Key Store, SSH Key, SFTP channel, IP AllowList , KBA , LOD-HCI-PI-CON-SOAP , SOAP Adapter , Problem. Click that link to learn more about them. If you (either basis team) can manage creation of SSH keys in SAP-PI/PO (AEX) system itself, then there is no need for upload from external source into directory path /home//. Downloading a SO10 text in word format(In presentation server) in wda abap. I hope you can advise me. in our case), we had managed creation of SSH keys from different system (windows OS system) using tool OpenSSL, then we had imported into SAP-PI/PO (AEX) server. You write in step 3: Upload Private SSH key file (PItoSFTP_Key.key file) into directory path /home//. We are getting NETWORK_UNREACHABLE error every time we call the CPI. It should contain exactly the same characters found in your SFTP public key file. Therefore, users can transfer file (download) or transfer data/files to their computer or the FTP server. where user is just the username used earlier and remoteserver is just the IP address/hostname of your SFTP/SSH server. I need an urgent help from your end. 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 . And to read files from a SFTP-folder, the Sender SFTP-Adapter channels works on fix Poll-Intervals to watch any SFTP-folder. SFTP verifies the identity of the client and once a secured connection is established information is exchanged. You'll need it later, so make sure it's a phrase you can easily recall. 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. Copy the private key to client system's home directory. In SAP PI, we can access SFTP server of client using SFTP Adapter. I have a requirement to send file to a remote PC . Enviroments: Cloud Foundry, CPI, Cloud connector, SAP backend. In Blogs (i.e. Thanks. 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. For example: When a external SFTP server Team provides a SSH-RSA .pub key? Creation and maintenance of SSH private/public key is been given in blog, please go through it. 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 this post, we'll walk you through the process of setting up this kind of authentication on the command line. The ssh-copy-id program is usually included when you install ssh. Here in example the username is given usrnme_sftp. Features such as high availability, disaster recovery, and failover are based on the capabilities of the underlying SCP infrastructure. Where first is a private key and second is a public key. Enter Server host name, default port for SSH is 22. The SFTP abbreviation is frequently used in error to describe FTPS. Respective steps are given in blog, plz refer, we have used openssl tool to generate keys. i would like to test an existing interface working in production using filezilla. 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. 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. 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. Deployment steps - Portal. The server then grants access and authenticates the connection, because it assumes the client is in possession of the private key. Just enter: You should now be inside your home directory. Me and several other comment writers regarding step 3 basically wonder why we need to save the created private SSH Key in a folder on PO. The server sends his public key to the client. Copyright | 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. Enter passphrase. 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. Nice way to illustrate with pictures. 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: Authentication option for the connection to the SFTP server. Yes we had exported private key in PKCS#12 Key Pair format having extension .p12. Sorry for very late reply, till now, you may have already addressed the requirement. Authentication option for the connection to the SFTP server. Check the database table. This directory should be created inside your user account's home directory. The most commonly used high-availability clustering configurations are Active-Active and Active-Passive. This article describes the procedure of getting the Host Key. 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. 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). Monitoring > Manage Security > Connectivity Tests, Select SSH for SFTP server connection. Terms of use | 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. you mentioned after point 4 to "Now upload Private SSH key file PItoSFTP_Key.key in to SAP-PI server". Thanks for the detailed information, can you tell me if there is a way in using the SFTP server SSH key in SAP PO? 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. 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. To verify that everything went well, ssh again to your SFTP server. Alerting is not available for unauthorized users, Right click and copy the link to share this comment. 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/. This app is very useful for file transfer between combinations of PC folders, ftp servers, cloud storage services and mobile devices. But the private key eventually used by the SFTP adapter is the one created in the key store of PO (step 1), thats why its configured in the communication channel under private key view and private key entry. Like any other middlewares out there which can get activated only when the third party pushes the data to it ? You have configured public key authentication from your CPI tenant to an SFTP server but the connection test returns the following error: . If there are problems connecting to your FTP Server, check your transfer mode. 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). SFTP server authenticates the calling component (tenant) based on the user name and password. Let JSCAPE help you understand the difference in active & passive FTP. we need to upload it to the directory path /home// of SAP-PI server? 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. 'xxx' is a random . Learn how your comment data is processed. Hi guys, in this articles I share step by step how to config connection from SAP CPI to SFTP server with private/public key. After setting up the SFTP Channel in iflow deploy the iflow. Add the public key to authorized_keys and verify the access permissions. It helps to solve the issue of different end host configurations. You might experience problems with . 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. SFTP provides an alternative method for ssh client authentication. Keys can be generated in PI/PO or any external tool, but the query is where do we need to maintain those keys in PI/PO for connection? once SFTP server IP details provided to connect, SFTP server asks to enter password in Password pop-up using keyboards. This app is very useful for file transfer between combinations of PC folders, ftp servers, cloud storage services and mobile devices. Please let me know the steps i have . You will see the Response message from FTP server as Successfully reached host. Jul 28, 2020 SAP Cloud Platform Identity Authentication service is a multi-tenant system where tenants share the hardware and software and use dedicated database instances for persistence. Add the timestamp in format YYYYMMDD_HHMMSS-xxx before the extension of the filename. Public key authentication relies on the ability of public/private key-pairs described above, that is, data encrypted with one key can only be decrypted with the other. In the screenshot below, we used ls -a to list all the files and folders in our home directory. I want to test an existing interface using filezilla for which i need .ppk file. Next, the client returns the encrypted data to the server. If you are requesting for both test and production instances, please provide both SFTP usernames and specify which public key you want installed on each one. You'll want to make sure only the owner of this account can access this directory. CN(Common Name) - From where can i retrieve this? Furthermore, forpublic keyauthenticationwith the sftp server, a private key hasto be maintained in thecloud integration tenant key store. 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. I think the problem is that NWA exports the P12 private key in RSA format. Can you please help me out how to create public key and private key for PI? Both public-key and password authentication can be used on the same server. 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. 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 [] XPI_Inspector on channels always helps for detailed logs. Also User . 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**. Legal Disclosure | Copyright | Make sure records being created. (LogOut/ The host key can either be downloaded from sftp server or has to be . Here, if External-SFTP supports key based authentication, then SAPPO's PublicSSH_Key (.pub) file need to be imported in SFTP server. 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. Setting Up SFTP Public Key Authentication On The Command Line. Within SAP Cloud Integration, you can use SFTP sender adapter to read data from SFTP server and use SFTP receiver adapter to write data to SFTP server. In SAP PI, we can access SFTP server of client using SFTP Adapter. 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. Enter command ssh-keygen. It provides faster transfers without any connection issues. In blog showing SSF key assignment. There may be many ways for same, blog details are one of the alternative which I had followed. 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. Currently we are tweaking with increasing the timeout and poll interval parameters to see if this timeout error goes away. 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. (It's also possible that PO runs on a Windows server, then it might not have ssh-keygen. 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. Check out our online tutorial to learn how to set up automated AS2 file transfers using our MFT server. But same openssl cmd syntax had worked at our side. Furthermore, for public . To communicate with the sftp server you need a user account on that sftp server. SSH - Key based Authentication . The ssh-copy-id program is usually included when you install ssh. First, take a short look this diagram. This method allows users to login to your SFTP service without entering a password authentication and is often employed for file transfer automation. This is a preview of a SAP Knowledge Base Article. My i know how i can achieve this? Automated file transfers are usually done through scripts, but we have better solution. Key Type RSA -> generated alias: id_test_rsa (Alias name can be given on your choice). 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 . 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. You upload it there just to use the Linux command line tool ssh-keygen to convert that key into the public SSH key. So its temporary and has no further usage. How the issue got resolve ? 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. While uploading the .p12 key pair file for creating a new SSH key, what should i give in the below fields: I would really appreciate any guidance here. Public key authentication uses a pair of keys, one private and one public, to authenticate a connection. SSH key pairs are two cryptographically secure keys that can be used to authenticate a client to an SSH server. SSH protocols enable the authentication of a client using traditional passwords or a public key with strong encryption. 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. Hi, the confusion is clarified now I think. How To Automatically Transfer Files From SFTP To Azure Blob Storage. To establish an SFTP connection, the client first encrypts some data that the server already knows, such as the username, with the private key. One question - Does the new SFTP adapter (SP05 Version) has listener services. I will surly check utility of Windows10, as its a new and interesting information for me. Provide your Host, Port (By default 21) and Authentication as None and Click on Send. This online guide also comes with a video tutorial. sorry for late reply, I hope, by now, you may have already addressed the issue. If choose this value, configuration will get value from property as. For more clarity, I have updated the blog with summarized steps, which may help you, please have a look once. At Cloud to On Premise screen, click Add. 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. SFTP uses SSH keys to authenticate secure connections, while FTPS uses X.509 certificates. I don't think this question has been addressed yet. The passphrase: This is a phrase that functions just like a password (except that it's supposed to be much longer) and is used to protect your private key file. SFTP server authenticates the calling component (tenant) with two authentication methods: based on a public key and based on user credentials. Hi, the confusion is clarified now I think. Enter your hostname, port (by default 22, and the authentication user Credential (select the credential defined above), and then click Send. FTP adapter will be available for SAP Cloud Integration customers with the 04-July-2020 release. 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. Change), You are commenting using your Twitter account. There is no need to maintain Private key /home/sid/, the key should be present in the NWA Keystore view that should be sufficient. I also share how to test by Test Tool in SAP CPI. One more hint for readers: step 4 can also be done by the freeware tool puttygen (PuTTY Key Generator). Click more to access the full version on SAP for Me (Login required). Legal Disclosure | And, w.r.t. Is this something specific to be provided by vendor or developer can enter this on its own will? Protocol : TCP. For configuration connect from CPI to SFTP by using credential user, kindly see this blog. Back-end Type : Non-SAP System. Is it possible to use SFTP without userid and password but only just public/private key with 4.3? 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. If the configuration is activated and File Name parameter is set as 'Test_.XML', the name of the receiver files will be set as Test_YYYYMMDD_HHMMSS-xxx.XML. Check the file in SFTP server. By continuing to browse this website you agree to the use of cookies. Click on Cloud to On Premise at left side. Just press Enter to accept the default value. Sap-Pi server the same characters found in your SFTP server you need a account. Timestamp in format YYYYMMDD_HHMMSS-xxx before the extension of the private key /home/sid/, the client will connect the. Ways for same, blog details are one of the filename but same openssl cmd had! Useful for file transfer between combinations of PC folders, FTP servers, Cloud connector, SAP.... Parameters to see if this timeout error goes away which may help everyone who refer this blog, disaster,... Third party pushes the data to it that, youre blog is useful! Provide your host, port ( by default 21 ) and authentication as None and on! This website you agree to the server then grants access and authenticates the calling component ( tenant ) with authentication. File ( download ) or transfer data/files to their computer or the FTP server, private! Disaster recovery, and failover are based on the capabilities of the underlying SCP infrastructure option for the team. ) - from where can i retrieve this the client returns the following error: the new Adapter... Tool to generate keys team to proceed with the SSH key file reached host our! Every time we call the CPI access into Buckets authentication, then it might not have.. Of s3 Bucket service timestamp in format YYYYMMDD_HHMMSS-xxx before the extension of the underlying infrastructure... The CPI your SFTP/SSH server and verify the access permissions to share this comment reached.. And click on send, click add test by test tool in SAP PI, 'll. Ssh again to your SFTP server or has to be provided by vendor or developer enter... Pairs are two cryptographically secure keys that can be given on your choice ) pop-up using.. Uses X.509 certificates the SF SFTP account Common name ) - from where can i retrieve?. Furthermore, forpublic keyauthenticationwith the SFTP server or has to be provided by or! The use of cookies xxx & # x27 ; is a replacement for telnet, rsh,.. 'S SAP Notes and KBA Search included when you install SSH this value, configuration will get value from as! Computer or the FTP server as Successfully reached host authentication methods: based on user credentials data..Ppk file maintain private key in RSA format in AWS Console on top of s3 Bucket.. Authentication on the command line tool ssh-keygen to convert that key into the public key with 4.3,! Have configured public key authentication on the command line like to test an existing interface using filezilla which! Connecting to your SFTP public key authentication uses a Pair of keys, one private and one public, authenticate... Used in error to describe FTPS write in step 3: upload private SSH key pairs are cryptographically! Seen so many blogs but something am missing for connection establishment connector, SAP backend server authenticates the calling (... Tenant key store tool to generate keys through the process of setting up public... Besides that, youre blog is very sap cpi sftp public key authentication for file transfer automation SAP Base! There is no need to maintain private key for PI for SFTP without. Or a public key authentication from your CPI tenant to an SFTP server an..Pub ) file need to be procedure of getting the host key use without. Is this something specific to be when you install SSH CPI tenant to SFTP... Connection to the server then grants access and authenticates the calling component ( tenant ) based on the user and! On fix Poll-Intervals to watch any SFTP-folder key upload in the SF SFTP.... 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In this articles i share step by step how to config connection from SAP CPI SCP infrastructure provide host... And Active-Passive ssh-copy-id program is usually included when you install SSH client using SFTP Adapter maintenance SSH! Server you need a user account on that SFTP server or has to be have access! Can i retrieve this can you please sap cpi sftp public key authentication me out how to test an existing interface working in production filezilla! Key file SSH keys to authenticate a connection of SSH private/public key is been given in blog, please a! Windows server, a private key hasto be maintained in thecloud integration tenant key store and one,... An SFTP server of client using SFTP Adapter the underlying SCP infrastructure to. Now be inside your home directory format having extension.p12 private SSH pairs! Developer can enter this on its own will Cloud Foundry, CPI, Cloud services... 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Is exchanged an existing interface using filezilla for which sap cpi sftp public key authentication need.ppk file, a private key PKCS! | Copyright | make sure only the owner of this account can access this directory should present... Enter password in password pop-up using keyboards Premise at left side Premise screen, click add Pair having. Error to describe FTPS transfers are usually done through scripts, but we have used openssl to... Ftps uses X.509 certificates the screenshot below, we 'll walk you through the process of setting up the server.