Re: recursive DNS servers DDoS as a growing DDoS problem

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Robert Story wrote:

VG> In the scenario you describe, I cannot see any actual amplification...

The amplification isn't in the number of hosts responding, but in packet size.
A very small DNS request packet results in a huge response packet.

Are you talking about rogue authoritative servers?  Otherwise, responses
will be limited to 512 bytes, possibly with the truncation bit set.



[Index of Archives]     [Linux Security]     [Netfilter]     [PHP]     [Yosemite News]     [Linux Kernel]

  Powered by Linux