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October 24, 2016 08:00 am

Slashdot Asks: How Can We Prevent Packet-Flooding DDOS Attacks?

Just last month Brian Krebs wrote "What appears to be missing is any sense of urgency to address the DDoS threat on a coordinated, global scale," warning that countless ISPs still weren't implementing the BCP38 security standard, which was released "more than a dozen years ago" to filter spoofed traffic. That's one possible solution, but Slashdot reader dgallard suggests the PEIP and Fair Service proposals by Don Cohen:PEIP (Path Enhanced IP) extends the IP protocol to enable determining the router path of packets sent to a target host. Currently, there is no information to indicate which routers a packet traversed on its way to a destination (DDOS target), enabling use of forged source IP addresses to attack the target via packet flooding... Rather than attempting to prevent attack packets, instead PEIP provides a way to rate-limit all packets based on their router path to a destination. I've also heard people suggest "just unplug everything," but on Friday the Wall Street Journal's Christopher Mim suggested another point of leverage, tweeting "We need laws that allow civil and/or criminal penalties for companies that sell systems this insecure." Is the best solution technical or legislative -- and does it involve hardware or software? Leave your best thoughts in the comments. How can we prevent packet-flooding DDOS attacks?

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Slashdot was originally created in September of 1997 by Rob "CmdrTaco" Malda. Today it is owned by Geeknet, Inc..

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