- iface eth0 dmz unsafe safe default
- iface eth1 dmz unsafe safe default
- iface eth2 safe
- iface eth3 untrusted default
+ iface eth0 dmz unsafe safe untrusted vpn sgo colobdry default
+ iface eth1 dmz unsafe safe untrusted vpn sgo colobdry default
+ iface eth2 dmz unsafe safe untrusted vpn sgo colobdry
+ iface eth3 untrusted vpn default