Re: How can I tell if a quiry is answered or denied

On 2022-04-20 23:07, Richard T.A. Neal wrote: Hi Hal, In addition to this you might also want to look into Response Rate Limiting. This may help to reduce the load on your DNS servers from bad actors without having to play a cat & mouse game of spotting and blocking them. Response Rate

Re: How can I tell if a quiry is answered or denied

That's not in my version of bind-9.16.23. Thanks anyway! -- Hal King - h...@utk.edu Systems Administrator Office of Information Technology Shared Services The University of Tennessee 103c5 Kingston Pike Building 2309 Kingston Pk. Knoxville, TN 37996 Phone: 974-1599

RE: How can I tell if a quiry is answered or denied

Hi Hal, In addition to this you might also want to look into Response Rate Limiting. This may help to reduce the load on your DNS servers from bad actors without having to play a cat & mouse game of spotting and blocking them. Response Rate Limiting is explained in detail in the BIND ARM here

Re: How can I tell if a quiry is answered or denied

*** You can turn on answer logging: rndc answerlog Apologies- I believe the above is likely specific to EIP DNS builds. J -- Visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list ISC funds the development of this software with paid

Re: How can I tell if a quiry is answered or denied

From: bind-users on behalf of King, Harold Clyde (Hal) via bind-users Date: Wednesday, April 20, 2022 at 3:29 PM To: bind-users Subject: How can I tell if a quiry is answered or denied I'm trying to find bad actors stretching out my load on my main DNS server I can't tell from the query log

How can I tell if a quiry is answered or denied

I'm trying to find bad actors stretching out my load on my main DNS server I can't tell from the query log if a host is denied an answer, or given an answer. Also, can I get the answer in my logs? I got one great answer today, maybe I'm pushing my luck, but I do feel lucky. -- Hal King -