I just published dnsmasq-2.80, available at http://www.thekelleys.org.uk/dnsmasq/dnsmasq-2.80.tar.gz
Changelog attached below.
Cheers,
Simon.
version 2.80
Add support for RFC 4039 DHCP rapid commit. Thanks to Ashram
Method for the initial patch and motivation.
Alter the default for dnssec-check-unsigned. Versions of
dnsmasq prior to 2.80 defaulted to not checking unsigned
replies, and used --dnssec-check-unsigned to switch
this on. Such configurations will continue to work as before,
but those which used the default of no checking will need to be
altered to explicitly select no checking. The new default is
because switching off checking for unsigned replies is
inherently dangerous. Not only does it open the possiblity of
forged replies, but it allows everything to appear to be working
even when the upstream namesevers do not support DNSSEC, and in
this case no DNSSEC validation at all is occuring.
Fix DHCP broken-ness when --no-ping AND --dhcp-sequential-ip
are set. Thanks to Daniel Miess for help with this.
Add a facilty to store DNS packets sent/recieved in a
pcap-format file for later debugging. The file location
is given by the --dumpfile option, and a bitmap controlling
which packets should be dumped is given by the --dumpmask
option.
Handle the case of both standard and constructed dhcp-ranges on
the same interface better. We don't now contruct a dhcp-range if
there's already one specified. This allows the specified
interface to have different parameters and avoids advertising
the same prefix twice. Thanks to Luis Marsano for spotting this
case.
Allow zone transfer in authoritative mode if auth-peer is
specified, even if auth-sec-servers is not. Thanks to Raphaël
Halimi for the suggestion.
Fix bug which sometimes caused dnsmasq to wrongly return answers
without DNSSEC RRs to queries with the do-bit set, but only when
DNSSEC validation was not enabled.
Thanks to Petr Menšík for spotting this.
Fix missing fatal errors with some malformed options
(server, local, address, rebind-domain-ok, ipset, alias).
Thanks to Eugene Lozovoy for spotting the problem.
Fix crash on startup with a --synth-domain which has no prefix.
Introduced in 2.79. Thanks to Andreas Engel for the bug report.
Fix missing EDNS0 section in some replies generated by local
DNS configuration which confused systemd-resolvd. Thanks to
Steve Dodd for characterising the problem.
Add --dhcp-name-match config option.
Add --caa-record config option.
Implement --address=/example.com/# as (more efficient) syntactic
sugar for --address=/example.com/0.0.0.0 and
--address=/example.com/::
Returning null addresses is a useful technique for ad-blocking.
Thanks to Peter Russell for the suggestion.
Change anti cache-snooping behaviour with queries with the
recursion-desired bit unset. Instead to returning SERVFAIL, we
now always forward, and never answer from the cache. This
allows "dig +trace" command to work.
Include in the example config file a formulation which
stops DHCP clients from claiming the DNS name "wpad".
This is a fix for the CERT Vulnerability VU#598349.
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