Re: How to remove duplicate queries on Google DNS
The most excellent method for struggle DoS attacks is to impress a rate-limiting or "throttling" apparatus. Google Public DNS put into practice two kinds of rate control: Rate control of outgoing demands to additional nameservers. To prevent additional DNS nameservers from the DoS attacks you can be commence from our resolver servers, Google Public DNS enforces per-nameserver QPS restrictions on outgoing requests from every serving cluster. Rate control of outgoing reactions to clients. To prevent any additional systems against amplification and traditional disseminated DoS (botnet) attacks that could be commenced from our resolver servers.
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