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- Notes on configuring dnsmasq as packaged for Debian.
-
- (1) To configure dnsmasq edit /etc/dnsmasq.conf. The file is well
- commented; see also the dnsmasq.8 man page for explanation of
- the options. The file /etc/default/dnsmasq also exists but it
- shouldn't need to be touched in most cases. To set up DHCP
- options you might need to refer to a copy of RFC 2132. This is
- available on Debian systems in the package doc-rfc-std as the file
- /usr/share/doc/RFC/draft-standard/rfc2132.txt.gz .
-
- (2) Installing the dnsmasq package also creates the directory
- /etc/dnsmasq.d which is searched by dnsmasq for configuration file
- fragments. This behaviour can be disabled by editing
- /etc/default/dnsmasq.
-
- (3) If the Debian resolvconf package is installed then, regardless
- of what interface configuration daemons are employed, the list of
- nameservers to which dnsmasq should forward queries can be found
- in /var/run/dnsmasq/resolv.conf; also, 127.0.0.1 is listed as the
- first nameserver address in /etc/resolv.conf. This works using the
- default configurations of resolvconf and dnsmasq.
-
- (4) In the absence of resolvconf, if you are using dhcpcd then
- dnsmasq should read the list of nameservers from the automatically
- generated file /etc/dhcpc/resolv.conf. You should list 127.0.0.1
- as the first nameserver address in /etc/resolv.conf.
-
- (5) In the absence of resolvconf, if you are using pppd then
- dnsmasq should read the list of nameservers from the automatically
- generated file /etc/ppp/resolv.conf. You should list 127.0.0.1
- as the first nameserver address in /etc/resolv.conf.
-
- (6) If you run multiple DNS servers on a single machine, each
- listening on a different interface, then it is necessary to use
- the bind-interfaces option by uncommenting "bind-interfaces" in
- /etc/dnsmasq.conf. This option stops dnsmasq from binding the
- wildcard address and allows servers listening on port 53 on
- interfaces not in use by dnsmasq to work. The Debian
- libvirt package will add a configuration file in /etc/dnsmasq.d
- which does this so that the "system" dnsmasq and "private" dnsmasq
- instances started by libvirt do not clash.
-
- (7) The following options are supported in DEB_BUILD_OPTIONS
- noopt : compile without optimisation.
- nostrip : don't remove symbols from binary.
- nodocs : omit documentation.
- notftp : omit TFTP support.
- noipv6 : omit IPv6 support.
- nodbus : omit DBus support.
- nortc : compile alternate mode suitable for systems without an RTC.
- noi18n : omit translations and internationalistaion support.
-
- (8) Dnsmasq comes as two packages - dnsmasq-base and
- dnsmasq. dnsmasq-base provides the dnsmasq executable and
- documentation (including this file). Dnsmasq, which depends on
- dnsmasq-base, provides the init script and configuration
- infrastructure. This file assumes that both are installed. It is
- possible to install only dnsmasq-base and use dnsmasq as a
- non-"system" daemon. Libvirt, for instance, does this.
-