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Basis SAP

SAP NetWeaver SNI configuration

To show a correct configuration and to be able to connect to a HTTP service that needs SNI support enabled, I’ll connect my NetWeaver ABAP system to a public OData service. You can read my blogs for more information on SNI in general and SNI with NetWeaver ABAP. Scenario and Read more…

By Tobias Hofmann, 2 months2 months ago
Basis SAP

SAP NetWeaver is not cloud ready

Now that I have your attention with the blog title. The longer version is “SAP NetWeaver is not cloud ready because of default SNI configuration in NW releases that use a kernel prior to version 777.” In case you are wondering how to solve the SNI problem here is the Read more…

By Tobias Hofmann, 2 months2 months ago
Basis SAP Security

Troubleshooting SAML 2.0 – Error getting number

Szenario A trust between the SAML 2.0 IdP and SP is created. A user tries to log on for the first time to NetWeaver ABAP and after successfully logging in at the IdP, logging at the SP fails. The SAMLResponse is validated without errors, the NetWeaver ABAP system cannot create Read more…

By Tobias Hofmann, 5 months6 months ago
Basis SAP Security

Troubleshooting SAML 2.0 – Update a federated user

Szenario Users are able to logon to NetWeaver ABAP via SAML 2.0 and get their user created automatically. A user information is now changed in the IdP and the corresponding information in NetWeaver must now be updated the next time the user logs on. Problem Updating the user information in Read more…

By Tobias Hofmann, 5 months5 months ago
Basis SAP Security

Troubleshooting SAML 2.0 – Method create_user_to_federate throws exception

Szenario A trust between the SAML 2.0 IdP and SP is created. A user tries to log on to NetWeaver and after successfully logging in at the IdP, the SP is denying access. Problem An error in the BAdI create_user_to_federate is thrown. Exception type CX_SY_REF_IS_INITIAL. Trace Use the diag tool Read more…

By Tobias Hofmann, 5 months6 months ago
Basis SAP Security

Troubleshooting SAML 2.0 – CX_SAML20_CORE Message is not signed

Szenario A trust between the SAML 2.0 IdP and SP is created. A user tries to log on to NetWeaver and after successfully logging in at the IdP, the SP is denying access. Problem Using the diag tool to get a trace of the SAML 2.0 logon. The incoming request Read more…

By Tobias Hofmann, 5 months6 months ago
Basis Cloud SAP

Create user in NetWeaver via SAML 2.0 – 5 – Create number range

In the SAML 2.0 SSO logon with automatic user creation scenario, the user is created in the SAP system by a BADI. The user information send by the SAML 2.0 IdP is contained in the SAML response. In my previous blog I have shown how the user profile is configured Read more…

By Tobias Hofmann, 5 months6 months ago
Basis Cloud SAP

Create user in NetWeaver via SAML 2.0 – 4 – Configure SAML 2.0 Identity Provider

The user creation scenario is an extension to the “simple” SAML 2.0 SSO scenario. Therefore, a pre-requisite is to have the SAML 2.0 IdP and SP configured to trust each other. A logon from IdP to SP with an existing user must work. In my case, the external Identity Provider Read more…

By Tobias Hofmann, 6 months6 months ago
Basis Cloud SAP

Create user in NetWeaver via SAML 2.0 – 3 – Configure ICF

The ICF configuration is more complex than the standard SAML 2.0 configuration. Instead of just validating the SAML 2.0 response, the response must be validated, and a user created or update. To be able to create / update a user, the response received must be handled by a service user. Read more…

By Tobias Hofmann, 6 months6 months ago
Basis Cloud SAP

Create user in NetWeaver via SAML 2.0 – 2 – Implement BADI

SAP Help In the previous blog I detailed the BADI provided by SAP for creating and updating a user that logs on via SAML 2.0 and what to take care of. In this blog I’ll detail how to implement the BADI. The implementation means that some ABAP coding is needed. Read more…

By Tobias Hofmann, 6 months6 months ago

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