[dnsdist] DoS Protection

Tue Feb 23 10:05:32 UTC 2016

Hi everybody,

Since some days I can see on my server some queries as:

aHr0sg6GhsbkinZHJvCGJvec5jb20=
bheyc57HfaywbnZHJvCGJvec5jb20=
Ayrb7895bdjJkwomnwY7ZHJvCGJvec5jb20=

Do you have any suggestion to block this kind of "queries"

Thanks

Federico
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