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Tenable Changes Nessus Licensing: Page 2 of 2

The driver behind the change in the Professional Feed license really has to do with funding the research to develop checks and plug-ins. The time it takes to develop plug-ins is expensive. New network products are showing up in network daily and vulnerabilities are still being found. Keeping a vulnerability scanner up to date takes resources. Some of the improvements to Nessus funded by the Professional Feed fees will make it into the Home Feed version. For example, support for IPv6 is available in both versions because IPv6 is showing up everywhere. Plug-ins that clearly address commercial use, like SCADA scanning, will be available through the Professional Feed. Gula wouldn't speculate on which road-mapped features would fall into Home Feed, but will make that decision on case by case basis.

To ease the transition for companies who use the Registered Feed today, Tenable is offering a 25% rebate on the Professional Feed fee until July 31.