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On the recordRead 1 Oct 202616 facts
dnsmasq
Plans and prices
dnsmasq
Free
GPL version 2 or version 3; source distribution
Read 1 Oct 2026 · thekelleys.org.uk
On the record
- Authoritative DNS
- Authoritative DNS mode can export local names to a zone and provide zone transfers to secondaries.thekelleys.org.uk · read 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 · read 1 Oct 2026
- DHCP protocols
- The DHCP subsystem supports DHCPv4, DHCPv6, BOOTP and PXE.thekelleys.org.uk · read 1 Oct 2026
- Distribution availability
- Dnsmasq is included in most Linux distributions and the FreeBSD, OpenBSD and NetBSD ports systems.thekelleys.org.uk · read 1 Oct 2026
- DNS caching
- The DNS subsystem forwards queries to upstream recursive servers and caches common record types.thekelleys.org.uk · read 1 Oct 2026
- DNSSEC
- Dnsmasq can validate DNSSEC on replies from upstream nameservers to protect against spoofing and cache poisoning.thekelleys.org.uk · read 1 Oct 2026
- IPv6 routing
- The router-advertisement subsystem provides IPv6 host autoconfiguration and can operate with DHCPv6 or stand-alone.thekelleys.org.uk · read 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 · read 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 · read 1 Oct 2026
- Privileges
- Dnsmasq normally starts as root to bind privileged ports and then drops privileges to another user.thekelleys.org.uk · read 1 Oct 2026
- Purpose
- Dnsmasq provides DNS, DHCP, router advertisement and network boot services for small networks.thekelleys.org.uk · read 1 Oct 2026
- Security behavior
- Dnsmasq can restrict DNS service to connected networks to help prevent use in DNS amplification attacks.thekelleys.org.uk · read 1 Oct 2026
- Support
- The dnsmasq-discuss mailing list is the first location recommended for queries, bug reports and suggestions.thekelleys.org.uk · read 1 Oct 2026
- Supported platforms
- Supported platforms include Linux with glibc or uclibc, Android, BSD systems and Mac OS X.thekelleys.org.uk · read 1 Oct 2026
- Target hardware
- It is designed to be lightweight with a small footprint for resource-constrained routers and firewalls.thekelleys.org.uk · read 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 · read 1 Oct 2026