Use DD-WRT to set up a VLAN and Virtual Wifi for IoT devices

Описание: Don't trust your Internet of Things devices on your main network? You don't have to! Learn how to use DD-WRT to set up a secure VLAN for both hardwired and wifi devices.

Firewall config:
block anything that falls through (just a precaution)
iptables -I FORWARD -i br+ -o br+ -j DROP

deny iot network access to any other networks
iptables -I FORWARD -i br1 -o br+ -j DROP

allow private network access to any other networks
iptables -I FORWARD -i br0 -o br+ -j ACCEPT

push RELATED/ESTABLISHED rule back to top of chain
iptables -D FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT
iptables -I FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT