+ config_get netmask "$net" netmask
+ [ -n "$netmask" ] || return 0
+
+ eval "$(ipcalc.sh $ipaddr $netmask)"
+
+ iptables -t nat -A zone_${zone}_prerouting -s "$NETWORK/$PREFIX" -p ! tcp -j luci_splash_portal
+ iptables -t nat -A zone_${zone}_prerouting -s "$NETWORK/$PREFIX" -d ! "$ipaddr" -j luci_splash_portal
+ iptables -t nat -A zone_${zone}_prerouting -s "$NETWORK/$PREFIX" -d "$ipaddr" -p tcp -m multiport ! --dport 22,80,443 -j luci_splash_portal