dnsmasq - ArchWiki - Arch Linux
https://wiki.archlinux.org/title/Dnsmasqdnsmasq has built-in TFTP server. To use it, create a root directory for TFTP (e.g. /srv/tftp) to put transferable files in. enable-tftp tftp-root=/srv/tftp 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.