By Ganesh Prasad, Umesh Rajbhandari
This booklet is geared toward defense and IT practitioners (especially architects) in end-user businesses who're liable for enforcing an enterprise-wide id and entry administration (IAM) process. it's neither a conceptual remedy of identification (for which we'd refer the reader to Kim Cameron's first-class paintings at the legislation of identification) nor an in depth technical handbook on a selected product. It describes a realistic and in your price range architectural method of imposing IAM inside an supplier, in line with the event of the authors.
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Extra resources for Identity Management on a Shoestring
Processes are necessarily manual and error-prone. Security policies are not uniformly applied across all applications. The list goes on. A simple extension is to have all applications validate user credentials against a common repository, most frequently an enterprise LDAP directory. Here's what the picture then looks like: Fig 11: Delegated authentication This is somewhat better because applications can now delegate the management of user credentials (and even access rights) to an external component.
Not every cloud-based system requires federated identity, though. We cover this subtle point in a later discussion on Cloud Computing. 49 Let's look at CAS in greater detail now. Although CAS is simple, it can be enhanced with very little effort to cover a number of different Access Management situations, such as integration with Windows-based LANs and Two-Factor Authentication for applications requiring greater security. We will show how this can be done using case studies. It's only when we start to talk about federated identity that Shibboleth needs to come into the picture.
Having a shared ticket registry can ensure that SSO spans both internal and external systems with no additional effort. Tip 4: Most importantly, try and adopt a “Two-Layer Protocol Architecture” and use CAS to hide the various challenge/assertion protocols required, from application interceptors As we will see in the next three sections, we often have a requirement for other “challenge/assertion” protocols to authenticate users. , they will expect CAS service tickets with every initial access from a browser and will redirect the browser to a CAS server if they don't find one.