I just tagged and push the final 2.79 release. Release notes below.
Enjoy.
Simon.
version 2.79
Fix parsing of CNAME arguments, which are confused by extra
spaces. Thanks to Diego Aguirre for spotting the bug.
Where available, use IP_UNICAST_IF or IPV6_UNICAST_IF to bind
upstream servers to an interface, rather than SO_BINDTODEVICE.
Thanks to Beniamino Galvani for the patch.
Always return a SERVFAIL answer to DNS queries without the
recursion desired bit set, UNLESS acting as an authoritative
DNS server. This avoids a potential route to cache snooping.
Add support for Ed25519 signatures in DNSSEC validation.
No longer support RSA/MD5 signatures in DNSSEC validation,
since these are not secure. This behaviour is mandated in
RFC-6944.
Fix incorrect error exit code from dhcp_release6 utility.
Thanks Gaudenz Steinlin for the bug report.
Use SIGINT (instead of overloading SIGHUP) to turn on DNSSEC
time validation when --dnssec-no-timecheck is in use.
Note that this is an incompatible change from earlier releases.
Allow more than one --bridge-interface option to refer to an
interface, so that we can use
--bridge-interface=int1,alias1
--bridge-interface=int1,alias2
as an alternative to
--bridge-interface=int1,alias1,alias2
Thanks to Neil Jerram for work on this.
Fix for DNSSEC with wildcard-derived NSEC records.
It's OK for NSEC records to be expanded from wildcards,
but in that case, the proof of non-existence is only valid
starting at the wildcard name, *.<domain> NOT the name expanded
from the wildcard. Without this check it's possible for an
attacker to craft an NSEC which wrongly proves non-existence.
Thanks to Ralph Dolmans for finding this, and co-ordinating
the vulnerability tracking and fix release.
CVE-2017-15107 applies.
Remove special handling of A-for-A DNS queries. These
are no longer a significant problem in the global DNS.
http://cs.northwestern.edu/~ychen/Papers/DNS_ToN15.pdf
Thanks to Mattias Hellström for the initial patch.
Fix failure to delete dynamically created dhcp options
from files in -dhcp-optsdir directories. Thanks to
Lindgren Fredrik for the bug report.
Add to --synth-domain the ability to create names using
sequential numbers, as well as encodings of IP addresses.
For instance,
--synth-domain=thekelleys.org.uk,192.168.0.50,192.168.0.70,internal-*
creates 21 domain names of the form
internal-4.thekelleys.org.uk over the address range given, with
internal-0.thekelleys.org.uk being 192.168.0.50 and
internal-20.thekelleys.org.uk being 192.168.0.70
Thanks to Andy Hawkins for the suggestion.
Tidy up Crypto code, removing workarounds for ancient
versions of libnettle. We now require libnettle 3.
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