Vor einigen Jahren war ich Berater in einem internationalen Team mit Fokus auf UX, Cloud und mobile Lösungen. Der Großteil im Team war Senior Berater – zumindest laut Visitenkarte. Dazu gab es noch einen Juniorberater. Dieser war ohne Projekt und damit war auch das Ziel des Managers gesetzt: ein Projekt Read more…
SAP NetWeaver ABAP can be configured to use SAML 2.0 for Single Sign-on. You have to specify a default SAML 2.0 IdP to handle the user logons. After NW ABAP is configured, and the users are accessing a protected services like SAP WebGui, they are presented a screen asking you Read more…
Bei einem internationalen Kunden fand der Go-Live eines umfangreichen, mehrjährigen und geschäftskritischen Projektes statt. Der Go-Live wurde schon mehrfach verschoben, aber jetzt waren alle Arbeiten erledigt und das Go kam von allen involvierten Stakeholdern. Nachdem das System live war ging gar nichts mehr. Also wirklich: nichts. Die Unternehmenstätigkeiten kamen zum Read more…
You cannot simply send data to a HTTP server in your iOS app. Apple enforces the use of HTTPS and TLS. Therefore, plain HTTP isn’t possible anymore. If you try this in your app to test a local HTTP server, the request will be blocked. In the log you can Read more…
Mobile platforms promise to help creating and running mobile apps. Mobile apps connect to the mobile platform, consume services and backends made available by the platform. They are offered by several vendors. For instance, SAP offers SAP mobile services in the SAP Cloud Platform, Oracle has mobile hub. It’s an Read more…
SNI is an extension to TLS and enables HTTPS clients to send the host name of the server it wants to connect to at the start of the handshake request. This is an important feature, as the host name information is sent inside the HTTP header and the header is Read more…
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…
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…
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…
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…