[knot-resolver-users] Re: Introduction and questions about RPZ support

Thank you for all your replies. It looks like I should be trying 6.x and recommended that our prospects and customers do too. That is extremely helpful Regards Francis From: Vladimír Čunát <vladimir.cunat(a)nic.cz> Sent: Monday, December 29, 2025 7:14 PM To: Francis Turner <francis(a)threatstop.com> Cc: Knot Resolver Users List <knot-resolver-users(a)lists.nic.cz> Subject: Re: [knot-resolver-users] Re: Introduction and questions about RPZ support On 29/12/2025 11.10, Vladimír Čunát via knot-resolver-users wrote: Also assuming it is supported, what are the performance impacts of large (say 500k+) RPZ policies? I forgot this part. In 6.x the main price will be CPU consumed when parsing the file. (which is asynchronous if you do a reload) And RAM to hold the resulting database. We've been quite careful about performance impact on processing DNS requests.