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SAP Portal Login with LDAP


We are using SSO for the portal 7.0 login in WIndows env. Kerberos will expire for every two days if they don't reboot the system in our company.

So when Kerberos fails its brings up the login page and if I use my windows password, i can able to login to the portal. My questions is, I want to make no body should login with their password.If they put the password, the page should come and show the same login page.



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  • Posted on Nov 03, 2009 at 10:07 PM

    Hi John

    Logging in with userid and password after initial failure of kerberos authentication is called Basic Password Fallback

    When you run the SPNego Wizard from note 994791, in step 4, you select whether you want to use Basic Password Fallback

    or not. If you choose not to use it, then when kerberos authentication fails users will not be able to logon by userid and password. You can see this in the videos attached to the note

    if you want to disable it, you an run the wizard again to do so

    Alternatively you can remove the BasicPasswordLoginModule and CreateTicketLoginModule from the bottom of the login module stack used by the portal application i.e the [ticket] login module stack

    You can access this in the security provider service in the Visual Administrator or in the Netweaver Administrator Configuration Management - Security - Authentication

    Say for example the the [ticket] login module stack had a configuration like example b, here

    you could manually remove the bottom two login modules to disable fallback

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