knot-resolver-announce December 2019

knot-resolver-announce@lists.nic.cz

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by Tomas Krizek

Dear Knot Resolver users, Knot Resolver 4.3.0 has been released! Security - CVE-2019-19331 ------------------------- - fix speed of processing large RRsets (DoS, #518) - improve CNAME chain length accounting (DoS, !899) Bugfixes -------- - http module: use SO_REUSEPORT (!879) - systemd: kresd@.service now properly starts after network interfaces have been configured with IP addresses after reboot (!884) - sendmmsg: improve reliability (!704) - cache: fix crash on insertion via lua for NS and CNAME (!889) - rpm package: move root.keys to /var/lib/knot-resolver (#513, !888) Improvements ------------ - increase file-descriptor count limit to maximum allowed value (hard limit; !876) - watchdog module: support testing a DNS query (and switch C -> lua; !878, !881) - performance: use sendmmsg syscall towards clients by default (!877) - performance: avoid excessive getsockname() syscalls (!854) - performance: lua-related improvements (!874) - daemon now attempts to drop all capabilities (!896) - reduce CNAME chain length limit - now <= 12 (!899) Full changelog: https://gitlab.labs.nic.cz/knot/knot-resolver/raw/v4.3.0/NEWS Sources: https://secure.nic.cz/files/knot-resolver/knot-resolver-4.3.0.tar.xz GPG signature: https://secure.nic.cz/files/knot-resolver/knot-resolver-4.3.0.tar.xz.asc Documentation: https://knot-resolver.readthedocs.io/en/v4.3.0/ -- Tomas Krizek PGP: 4A8B A48C 2AED 933B D495 C509 A1FB A5F7 EF8C 4869

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knot-resolver-announce December 2019