except-interface=lo
enable-ra
quiet-ra
bind-dynamic
no-hosts
dhcp-leasefile=/var/lib/misc/dnsmasq.SDN.leases
dhcp-hostsfile=/etc/dnsmasq.d/SDN/ethers
dhcp-ignore=tag:!known

dhcp-option=26,1500
ra-param=*,mtu:1500,0

# Send an empty WPAD option. This may be REQUIRED to get windows 7 to behave.
dhcp-option=252,"\n"

# Send microsoft-specific option to tell windows to release the DHCP lease
# when it shuts down. Note the "i" flag, to tell dnsmasq to send the
# value as a four-byte integer - that's what microsoft wants.
dhcp-option=vendor:MSFT,2,1i

# If a DHCP client claims that its name is "wpad", ignore that.
# This fixes a security hole. see CERT Vulnerability VU#598349
dhcp-name-match=set:wpad-ignore,wpad
dhcp-ignore-names=tag:wpad-ignore