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Servlets

Servlet 3.1 Specification (JSR 340) is almost ready for the release. One of the new features is the support for protocol upgrade. HTTP protocol upgrade was introduced in HTTP 1.1 (RFC 2616): The Upgrade general-header allows the client to specify what additional communication protocols it supports and would like to use if the server finds it appropriate to switch protocols. The server MUST use...
on May 7, 2013

Security

Servlet 3.1 Specification (JSR 340) and Java Authorization Contract for Containers (JSR 115) MR3 are almost ready for release. Besides "*", the role-name "**" is introduced in the above two specifications. In a nutshell, "*" means any role defined in web.xml and "**" means any authenticated user. Prior to Servlet 3.1, web containers use proprietary mechanisms to add security-constraints for any...
on Apr 19, 2013
Servlet 3.1 Specification (JSR 340) is almost ready for the release. Several new security features have been added in this version of Servlet specification. In this blog, I will explain one of the security features, namely deny-uncovered-http-methods. Let us take a look at a simple security-constraint in web.xml as follows: <web-app xmlns="http://www.w3.org/2001/XMLSchema" ...
on Apr 19, 2013
Servlet 3.1 was in Public Review in Janurary 2013. And it is in Proposed Final Draft now. Most of the new features are related to security. In this following, I will highlight features since Servlet 3.1 Public Review: add new API javax.servlet.http.Part#getSubmittedFileName add new API javax.servlet.ServletContext#getVirtualServerNameThis API allows a JASPIC module to be registered in a Servlet...
on Mar 18, 2013