firewall_dnsmasq_d/60_create_leases_file.conf

# The DHCP server needs somewhere on disk to keep its lease database.
# This defaults to a sane location, but if you want to change it, use
# the line below.
dhcp-leasefile=/var/lib/misc/dnsmasq.leases

# Set the cachesize here.
cache-size=4096