[ratelimits] Limiting queries

[Job]

Hello, i am using Ratelimit patch 9.9.2.
I have lots of flood resolving ripe.net.

I tried with different combinations of window and responses-per-second.

It correctly see drop packet or slip packet in logs, but it stops remote ip only for one second.

It seems not reading the "window" value, because it waits always one second, not more.

rate-limit {
                       responses-per-second 15;
                       window 20;
                       all-per-second 5;
}

Are there some known bug or guidelines?

Thank you!
Francesco
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