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102 lines
5.6 KiB
HTML
102 lines
5.6 KiB
HTML
<HTML>
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<HEAD>
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<TITLE> Dnsmasq - network services for small networks.</TITLE>
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<link rel="icon" href="http://www.thekelleys.org.uk/dnsmasq/images/favicon.ico">
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</HEAD>
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<BODY BGCOLOR="WHITE">
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<table width="100%" border="0" cellpadding="0" cellspacing="0">
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<tr>
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<td align="left" valign="middle"><img border="0" src="http://www.thekelleys.org.uk/dnsmasq/images/icon.png" /></td>
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<td align="middle" valign="middle"><h1>Dnsmasq</h1></td>
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<td align="right" valign="middle"><img border="0" src="http://www.thekelleys.org.uk/dnsmasq/images/icon.png" /></td></tr>
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</table>
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Dnsmasq provides network infrastructure for small networks: DNS, DHCP, router advertisement and network boot. It is designed to be
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lightweight and have a small footprint, suitable for resource constrained routers and firewalls. It has also been widely used
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for tethering on smartphones and portable hotspots, and to support virtual networking in virtualisation frameworks.
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Supported platforms include Linux (with glibc and uclibc), Android, *BSD, and Mac OS X. Dnsmasq is included in most
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Linux distributions and the ports systems of FreeBSD, OpenBSD and NetBSD. Dnsmasq provides full IPv6 support.
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<P>
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The DNS subsystem provides a local DNS server for the network, with forwarding of all query types to upstream recursive DNS servers and
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caching of common record types (A, AAAA, CNAME and PTR, also DNSKEY and DS when DNSSEC is enabled).
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<DIR>
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<LI>Local DNS names can be defined by reading /etc/hosts, by importing names from the DHCP subsystem, or by configuration of a wide range of useful record types.</LI>
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<LI>Upstream servers can be configured in a variety of convenient ways, including dynamic configuration as these change on moving upstream network.
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<LI>Authoritative DNS mode allows local DNS names may be exported to zone in the global DNS. Dnsmasq acts as authoritative server for this zone, and also provides
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zone transfer to secondaries for the zone, if required.</LI>
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<LI>DNSSEC validation may be performed on DNS replies from upstream nameservers, providing security against spoofing and cache poisoning.</LI>
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<LI>Specified sub-domains can be directed to their own upstream DNS servers, making VPN configuration easy.</LI>
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<LI>Internationalised domain names are supported.
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</DIR>
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<P>
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The DHCP subsystem supports DHCPv4, DHCPv6, BOOTP and PXE.
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<DIR>
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<LI> Both static and dynamic DHCP leases are supported, along with stateless mode in DHCPv6.</LI>
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<LI> The PXE system is a full PXE server, supporting netboot menus and multiple architecture support. It
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includes proxy-mode, where the PXE system co-operates with another DHCP server.</LI>
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<LI> There is a built in read-only TFTP server to support netboot.</LI>
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<LI> Machines which are configured by DHCP have their names automatically
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included in the DNS and the names can specified by each machine or
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centrally by associating a name with a MAC address or UID in the dnsmasq
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configuration file.</LI>
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</DIR>
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<P>
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The Router Advertisement subsystem provides basic autoconfiguration for IPv6 hosts. It can be used stand-alone or in conjunction with DHCPv6.
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<DIR>
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<LI> The M and O bits are configurable, to control hosts' use of DHCPv6.</LI>
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<LI> Router advertisements can include the RDNSS option.</LI>
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<LI> There is a mode which uses name information from DHCPv4 configuration to provide DNS entries
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for autoconfigured IPv6 addresses which would otherwise be anonymous.</LI>
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</DIR>
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<P>
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For extra compactness, unused features may be omitted at compile time.
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<H2>Get code.</H2>
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<A HREF="http://www.thekelleys.org.uk/dnsmasq/">Download</A> dnsmasq here.
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The tarball includes this documentation, source, and manpage.
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There is also a <A HREF="CHANGELOG"> CHANGELOG</A> and a <A HREF="FAQ">FAQ</A>.
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Dnsmasq has a git repository which contains the complete release
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history of version 2 and development history from 2.60. You can
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<A HREF="http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=summary">browse</A>
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the repo, or get a copy using git protocol with the command
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<PRE><TT>git clone git://thekelleys.org.uk/dnsmasq.git </TT></PRE>
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or
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<PRE><TT>git clone http://thekelleys.org.uk/git/dnsmasq.git </TT></PRE>
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<H2>License.</H2>
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Dnsmasq is distributed under the GPL, version 2 or version 3 at your discretion. See the files COPYING and COPYING-v3 in the distribution
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for details.
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<H2>Contact.</H2>
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There is a dnsmasq mailing list at <A
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HREF="http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss">
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http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss</A> which should be the
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first location for queries, bugreports, suggestions etc. The list is mirrored, with a
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search facility, at <A HREF="https://www.mail-archive.com/dnsmasq-discuss@lists.thekelleys.org.uk/">
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https://www.mail-archive.com/dnsmasq-discuss@lists.thekelleys.org.uk/</A>.
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You can contact me at <A
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HREF="mailto:simon@thekelleys.org.uk">simon@thekelleys.org.uk</A>.
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<H2>Donations.</H2>
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Dnsmasq is mainly written and maintained by Simon Kelley. For most of its life, dnsmasq has been a spare-time project.
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These days I'm working on it as my main activity.
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I don't have an employer or anyone who pays me regularly to work on dnsmasq. If you'd like to make
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a contribution towards my expenses, please use the donation button below.
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