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Notes on configuring the Debian package of dnsmasq.
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(1) To configure dnsmasq edit /etc/default/dnsmasq.
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This file includes options to pick up DHCP-allocated addresses
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from the ISC dhpcd leases file and to use the other features
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detailed in dnsmasq(8).
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(2) The Debian dhcpcd package makes /etc/resolv.conf a link to
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/etc/dhcpc/resolv.conf. If you want to use automatic DNS configuration
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via DHCP, you will have to remove this link before setting the
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configuration as described in /usr/share/doc/dnsmasq/doc.html.
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Notes on configuring dnsmasq as packaged for Debian.
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(1) To configure dnsmasq edit /etc/dnsmasq.conf. The file is well
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commented; see also the dnsmasq.8 man page for explanation of
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the options. The file /etc/default/dnsmasq also exists but it
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shouldn't need to be touched in most cases. To set up DHCP
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options you might need to refer to a copy of RFC 2132. This is
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available on Debian systems in the package doc-rfc-std as the file
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/usr/share/doc/RFC/draft-standard/rfc2132.txt.gz .
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(2) If the Debian resolvconf package is installed then, regardless
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of what interface configuration daemons are employed, the list of
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nameservers to which dnsmasq should forward queries can be found
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in /var/run/dnsmasq/resolv.conf; also, 127.0.0.1 is listed as the
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first nameserver address in /etc/resolv.conf. This works using the
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default configurations of resolvconf and dnsmasq.
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(3) In the absence of resolvconf, if you are using dhcpcd then
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dnsmasq should read the list of nameservers from the automatically
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generated file /etc/dhcpc/resolv.conf. You should list 127.0.0.1
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as the first nameserver address in /etc/resolv.conf.
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(4) In the absence of resolvconf, if you are using pppd then
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dnsmasq should read the list of nameservers from the automatically
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generated file /etc/ppp/resolv.conf. You should list 127.0.0.1
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as the first nameserver address in /etc/resolv.conf.
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(5) If you run multiple DNS servers on a single machine, each
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listening on a different interface, then it is necessary from
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version 2.3 on to use the bind-interfaces option by uncommenting
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"bind-interfaces" in /etc/dnsmasq.conf. This option stops dnsmasq
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from binding the wildcard address and allows servers listening on
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port 53 on interfaces not in use by dnsmasq to work.
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debian/readme
