于 2012-12-28 21:36, Paul Vlaar 写道: > rate-limit { > responses-per-second 5; > errors-per-second 5; > window 15; > slip 5; > }; Nice to see DNS RRL has this good result. what's the difference between response-per-second and errors-per-second? For a production BIND, is responses-per-second 5 too small? Thanks.