Anti-DDoS tool upgraded

Claiming to secure networks from DoS (denial of service) attacks more quickly than before, Reactive Network Solutions, in Redwood City, California, on Tuesday unveiled Version 1.5 of its flagship product, FloodGuard.

A distributed software application found within a network appliance, FloodGuard 1.5 detects and blocks DDoS (distributed denial of service) attacks in an enterprise data center and in service provider networks without shutting down the network. Sitting beside peering points (routers, switches, firewalls, and applications servers), FloodGuard, which was initially released in September 2001, samples traffic through the use of analysis algorithms to identify unusual traffic.

"Carriers require scalability, and an inbound approach makes that impossible," said Edward Komissarchik, president and CEO of Reactive Network Solutions. "Customers also want a solution that can mitigate an attack. Just identifying one is not enough."

Equipped with a new user interface, FloodGuard 1.5 sends system administrators information of ongoing attacks and provides tools to take action to mitigate the attacks. The new version of the application handles as much as 2.5Gbps of traffic bandwidth and works with DS3, GE, OC3, and OC48 services.

Enterprises who are not protected against DDoS should note that these attacks are on the rise. According to the Computer Security Institute-FBI Computer Crime and Security annual survey, 36 percent of the respondents reported DoS attacks in 2001, up from 27 percent who reported such attacks in the previous survey.

Reactive Network Solutions is not the only provider of DDoS protection devices. Mazu Networks, Captus Networks, Arbor Networks, and Asta Networks also have solutions to solve the problem.

Arbor Network's PeakFlow DoS, initially released in June 2001, also is a distributed solution and also samples traffic without interfering with the process of routing packets. The cost for DoS protection as a managed service starts at US$5,000 per month. As a hardware and software solution, the typical starting configuration costs $130,000 and includes two data collectors and a controller.

Reactive Network Solutions' FloodGuard 1.5 starts at $2,500 a month, depending on network size and topology being protected, and is available immediately.

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