Zhiyong Li

Tomcat is a widely popular lightweight application server. When securing Tomcat web applications, Valve, JAAS and Filter are used in various scenarios. The challenges for developers are when to use each of these methods and how to integrate them together if more than one method i... (more)
Integrated Windows Authentication (IWA) provides a user-friendly interface for single sign-on. IWA uses ‘Simple and Protected GSSAPI Negotiation Mechanism' (SPNEGO) to allow the initiators and acceptors to negotiate the underlying protocol to be used for authentication. In this a... (more)
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