500Gbps DDoS

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Ole Juul
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500Gbps DDoS

Postby Ole Juul » Wed Jan 27, 2016 6:54 am

500Gbps DDoS attack flattens world record

I'm guessing that at some point DNS is going to go through a significant change.

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T2 Operator
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Re: 500Gbps DDoS

Postby chip » Wed Jan 27, 2016 4:21 pm

I haven't looked much but I just had the idea that something similar to the Proof of Work idea that was being tossed around for lowering SPAM email would be useful for DNS. The main drawback for PoW in mass email was that it would affect the business of legitimate bulk emailers. However, PoW requirements for public DNS resolvers may be useful.
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Re: 500Gbps DDoS

Postby verax » Fri Feb 19, 2016 6:40 am

The reason PoW is unfeasible for DNS is because it will punish recursive resolvers.
To my understanding, DDoSing DNS servers is not very effective because there's simply not enough moving parts in DNS. All you really can do is overload them with too much traffic or try an amplification attack.

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