Action: rejectQuick: trueInterface: vlan_10Direction: InSource: vlan_20 netDestination: *
Action: rejectQuick: trueInterface: vlan_20Direction: OutSource: *Destination: vlan_10 net
iptables -i vlan10 -A INPUT -s 10.10.20.0/24 -j REJECT
iptables -o vlan20 -A OUTPUT -d 10.10.10.0/24 -j REJECT