bbf3f2110b
ChangeLog: https://blog.powerdns.com/2023/06/30/powerdns-recursor-4-9-0-released * The performance impact of metrics collection has been reduced by using lock-free non-atomic thread-local counters. * The packet cache is sharded and shared by all threads. * The TTL of negative answers in the packet cache can now be controlled separately from positive and failure answers. * The rec_control trace_regex command writes the generated trace information to a specified file instead of the general log. The trace information contains more precise timestamps and DNSSEC validation information. * If extended-resolution-errors is enabled EDNS errors are now generated in more cases, specifically when authoritative servers for a zone are unreachable or when synthesising answers by e.g. using the aggressive NSEC cache. * The aggressive NSEC cache has been changed not to store NSEC3 entries which cover only a small fraction of possible names. This also allows switching off the aggressive cache for NSEC3 only. * It is now possible to switch off root-refreshing completely. * Proper handling of security policies that restrict the use of specific DNSSEC algorithms on RHEL9 derived systems. PR: 272343 Reported by: tremere@cainites.net (maintainer) |
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