dnsmasq Archives - Running Systems

Linux

Selective dnsmasq logging (split dnsmasq logging)

Byetzion 31/10/202127/01/2023

My system provides DNS services, using dnsmasq, to several different subnets. I wish to log specific queries to different files – as I want to identify, and maybe even respond to certain DNS queries of the IoT network. The (excellent) utility dnsmasq is unable to split the logging into multiple log files, or filter logging…

Linux

Windows 7 hammering dnsmasq

Byetzion 01/02/2014

I migrated to dnsmasq just yesterday, and discovered that a Windows 7 machine was hammering the server with messages like this: Feb 1 11:06:07 dns dnsmasq-dhcp[1078]: DHCPINFORM(eth0) 192.168.1.77 91:de:87:7b:e5:a8 Feb 1 11:06:07 dns dnsmasq-dhcp[1078]: DHCPACK(eth0) 192.168.1.77 91:de:87:7b:e5:a8 winpc Googling a bit, I found out this link (with an explanation). The solution is fairly simple. Add…