Limited Java profiles in Ion 4.0 build on Oracle Java Deployment Rule Sets (DRS) to provide enhanced Java management. The DRS functionality is built into the Java Development Kit (JDK) that Browsium has long-used for Ion’s Java Version Manager. Now, Ion 4.0 taps into more JDK capabilities to provide ‘white list’ functionality that locks down the use of Java to only those sites designated by IT, and Java swaps in the unmanaged instance of Internet Explorer.
Oracle DRS requires manual editing of XML files, manual certificate-based signing of JAR files, and repackaging/redeployment of the DRS JAR file every time a new JRE is released. Contrast these limitations with the powerful, new capabilities in Ion 4.0:
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