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dnsmasq

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dnsmasq's own site

Plans

PlanBilled and limitsPrice
dnsmasqGPL version 2 or version 3; source distributionFree

As thekelleys.org.uk lists them, read 1 Oct 2026. The maker's own page has the final word.

Facts from dnsmasq's own pages

Authoritative DNS
Authoritative DNS mode can export local names to a zone and provide zone transfers to secondaries. · thekelleys.org.uk, 1 Oct 2026
DBus integration
When built with DBus support, configuration can be updated through DBus, including upstream DNS servers and cache clearing. · thekelleys.org.uk, 1 Oct 2026
DHCP protocols
The DHCP subsystem supports DHCPv4, DHCPv6, BOOTP and PXE. · thekelleys.org.uk, 1 Oct 2026
Distribution availability
Dnsmasq is included in most Linux distributions and the FreeBSD, OpenBSD and NetBSD ports systems. · thekelleys.org.uk, 1 Oct 2026
DNS caching
The DNS subsystem forwards queries to upstream recursive servers and caches common record types. · thekelleys.org.uk, 1 Oct 2026
DNSSEC
Dnsmasq can validate DNSSEC on replies from upstream nameservers to protect against spoofing and cache poisoning. · thekelleys.org.uk, 1 Oct 2026
IPv6 routing
The router-advertisement subsystem provides IPv6 host autoconfiguration and can operate with DHCPv6 or stand-alone. · thekelleys.org.uk, 1 Oct 2026
Maintenance
Dnsmasq is mainly written and maintained by Simon Kelley as a spare-time project for most of its life and later as his main activity. · thekelleys.org.uk, 1 Oct 2026
Network boot
It includes a full PXE server with netboot menus, multiple-architecture support, proxy mode and a read-only TFTP server. · thekelleys.org.uk, 1 Oct 2026
Privileges
Dnsmasq normally starts as root to bind privileged ports and then drops privileges to another user. · thekelleys.org.uk, 1 Oct 2026
Purpose
Dnsmasq provides DNS, DHCP, router advertisement and network boot services for small networks. · thekelleys.org.uk, 1 Oct 2026
Security behavior
Dnsmasq can restrict DNS service to connected networks to help prevent use in DNS amplification attacks. · thekelleys.org.uk, 1 Oct 2026
Support
The dnsmasq-discuss mailing list is the first location recommended for queries, bug reports and suggestions. · thekelleys.org.uk, 1 Oct 2026
Supported platforms
Supported platforms include Linux with glibc or uclibc, Android, BSD systems and Mac OS X. · thekelleys.org.uk, 1 Oct 2026
Target hardware
It is designed to be lightweight with a small footprint for resource-constrained routers and firewalls. · thekelleys.org.uk, 1 Oct 2026
UBus integration
The UBus interface can send DHCPACK and DHCPRELEASE notifications and provide metrics and connection-track-mark filtering. · thekelleys.org.uk, 1 Oct 2026

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