Develop: domain secure, and performing secure Domain Name System (DNS) dynamic updates. Domain Name System Security Extensions
Servlet API Package
The javax.servlet.http package contains a number of classes and interfaces that describe and define the contracts between a servlet class running under the HTTP protocol and the runtime environment provided for an instance of such a class by a conforming servlet container.
An Java JDBC compliant driver that connects to a remote database via url (http) connection, communicating through a server-side script (.asp,.php,.jsf etc). Useful if you like to access locally (java, SQuirreL, eclipse) a database on your web site.