auto lo eth0 wlan0
iface lo inet loopback

iface wlan0 inet static
    address 192.168.1.1
    netmask 255.255.255.0
    network 192.168.1.0
    hostapd /etc/hostapd/hostapd.conf

iface eth0 inet dhcp
    post-up iptables-restore < /etc/iptables.up.rules