rate limit dns query response ...
Vernon Schryver
vjs at rhyolite.com
Thu Apr 4 12:51:39 UTC 2013
> From: prakash <prakash at nic.in>
> We are using bind 9.x on linux and would like to create rate limit for DNS
> query from any users ie 10 query per second. Can anyone guide us ....
I would:
1. read http://www.redbarn.org/dns/ratelimits
2. read the new ARM text about RRL by following the link labeled
"Draft text for BIND9 Administrators Reference Manual (ARM)"
on http://www.redbarn.org/dns/ratelimits
3. fetch one of the BIND releases and matching patches on the
page in the link labeled "Patch files for BIND9" and then
build and install them. I would probably use BIND9 9.9.3b2.
4. add something like this to named.conf
rate-limit { responses-per-second 5; };
Vernon Schryver vjs at rhyolite.com
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