Dnsmasq what is

Chapter Using dnsmasq Prev Bering-uClibc 3. Using dnsmasq. Revision History Revision 0. Configure dnsmasq dns forwarder. Using dnsmasq with dhcpcd. Note Save your configuration before you reboot. Using dnsmasq with static ip. Using dnsmasq with pump. Using dnsmasq as dhcpd server.

Configure dnsmasq dhcpd. Now DNS queries will be resolved with dnsmasq, only checking external servers if it cannot answer the query from its cache. To do a lookup speed test choose a website that has not been visited since dnsmasq has been started drill is part of the ldns package :.

Running the command again will use the cached DNS IP and result in a faster lookup time if dnsmasq is setup correctly:. This article or section needs expansion. By default dnsmasq has the DHCP functionality turned off, if you want to use it you must turn it on.

Here are the important settings:. See dnsmasq 8 for more options. In case there is already a DHCP server running on the network and you want to interoperate with it, dnsmasq can be set to behave as a "proxy DHCP", therefore only serving the PXE server specific information to the client. This mode is only available with IPv4. Use the following syntax, providing the existing DHCP server address:. From a computer that is connected to the one with dnsmasq on it, configure it to use DHCP for automatic IP address assignment, then attempt to log into the network normally.

To use it, create a root directory for TFTP e. For increased security it is advised to use dnsmasq's TFTP secure mode. In secure mode only files owned by the dnsmasq user will be served over TFTP.

You will need to chown TFTP root and all files in it to dnsmasq user to use this feature. If the information changes, it will automatically reload the information. Since it allows automatic DNS configuration, Linux firewall maintainers are interested in this software. It can even complete the mutual conversion forwarding between ipv4 and IPv6. DNSmasq can be configured to send specific domain name resolution requests to specific upstream servers, which can be easily combined with private DNS servers.

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