Here's a stripped down version of my config:

admin@stig-home:~$ show configuration 
firewall {
    group {
        network-group BOGONS {
            network 10.0.0.0/8
            network 100.64.0.0/10
            network 127.0.0.0/8
            network 169.254.0.0/16
            network 172.16.0.0/12
            network 192.0.0.0/24
            network 192.0.2.0/24
            network 192.168.0.0/16
            network 198.18.0.0/15
            network 198.51.100.0/24
            network 203.0.113.0/24
            network 224.0.0.0/4
            network 240.0.0.0/4
        }
    }
    ipv6-name WANv6_IN {
        default-action drop
        description "WAN inbound traffic forwarded to LAN"
        enable-default-log
        rule 10 {
            action accept
            description "Allow established/related sessions"
            state {
                established enable
                related enable
            }
        }
        rule 20 {
            action drop
            description "Drop invalid state"
            state {
                invalid enable
            }
        }
    }
    ipv6-name WANv6_LOCAL {
        default-action drop
        description "WAN inbound traffic to the router"
        enable-default-log
        rule 10 {
            action accept
            description "Allow established/related sessions"
            state {
                established enable
                related enable
            }
        }
        rule 20 {
            action drop
            description "Drop invalid state"
            state {
                invalid enable
            }
        }
        rule 30 {
            action accept
            description "Allow IPv6 icmp"
            protocol ipv6-icmp
        }
        rule 40 {
            action accept
            description "allow dhcpv6"
            destination {
                port 546
            }
            protocol udp
            source {
                port 547
            }
        }
    }
    name LAN_IN {
        default-action accept
        rule 1 {
            action drop
            description "drop invalid state"
            state {
                invalid enable
            }
        }
    }
    name WAN_IN {
        default-action drop
        enable-default-log
        rule 10 {
            action accept
            description "allow estabished"
            state {
                established enable
                related enable
            }
        }
        rule 20 {
            action drop
            description "drop invalid"
            state {
                invalid enable
            }
        }
    }
    name WAN_LOCAL {
        default-action drop
        description "To router from WAN"
        enable-default-log
        rule 10 {
            action accept
            description "allow established"
            state {
                established enable
                related enable
            }
        }
        rule 20 {
            action drop
            description "drop invalid"
            state {
                invalid enable
            }
        }
        rule 30 {
            action accept
            description "allow icmp"
            protocol icmp
        }
        rule 80 {
            action drop
            description "drop bogon source"
            source {
                group {
                    network-group BOGONS
                }
            }
        }
}
interfaces {
    ethernet eth0 {
        address dhcp
        description WAN
        dhcp-options {
            name-server no-update
        }
        dhcpv6-pd {
            pd 0 {
                interface eth1 {
                    host-address ::1
                    prefix-id :1
                    service slaac
                }
                interface eth2 {
                    host-address ::1
                    prefix-id :2
                    service slaac
                }
                interface eth3 {
                    host-address ::1
                    prefix-id :3
                    service slaac
                }
                prefix-length /60
            }
            rapid-commit enable
        }
        firewall {
            in {
                ipv6-name WANv6_IN
                name WAN_IN
            }
            local {
                ipv6-name WANv6_LOCAL
                name WAN_LOCAL
            }
        }
    }
    ethernet eth1 {
        address 172.16.1.1/24
        description LAN
        firewall {
            in {
                name LAN_IN
            }
        }
    }
    ethernet eth2 {
        address 172.16.2.1/24
        description "PoE for UAP-Pro"
        firewall {
            in {
                name LAN_IN
            }
        }
        poe {
            output 48v
        }
    }
    ethernet eth3 {
        address 172.16.3.1/24
        description "PoE for UAP-AC"
        firewall {
            in {
                name LAN_IN
            }
        }
        poe {
            output 48v
        }
    }
    ethernet eth4 {
        disable
    }
    switch switch0 {
        mtu 1500
    }
}
service {
    dhcp-server {
        disabled false
        hostfile-update disable
        shared-network-name LAN-net {
            authoritative enable
            subnet 172.16.1.0/24 {
                default-router 172.16.1.1
                dns-server 172.16.1.1
                lease 86400
                start 172.16.1.10 {
                    stop 172.16.1.50
                }
            }
        }
        shared-network-name LAN2 {
            authoritative enable
            subnet 172.16.3.0/24 {
                default-router 172.16.3.1
                dns-server 172.16.3.1
                dns-server 8.8.8.8
                lease 86400
                start 172.16.3.10 {
                    stop 172.16.3.100
                }
            }
        }
        shared-network-name UniFi {
            authoritative enable
            subnet 172.16.2.0/24 {
                default-router 172.16.2.1
                dns-server 172.16.2.1
                lease 86400
                start 172.16.2.2 {
                    stop 172.16.2.254
                }
            }
        }
    }
    dns {
        forwarding {
            cache-size 150
            listen-on eth1
            listen-on eth2
            listen-on eth3
        }
    }
    gui {
        https-port 443
    }
    nat {
        rule 5000 {
            description "masq to WAN"
            outbound-interface eth0
            type masquerade
        }
    }
    ssh {
    }
    ubnt-discover {
        interface eth0 {
            disable
        }
    }
}
system {
    config-management {
        commit-revisions 50
    }
    host-name stig-home
    login {
        user admin {
            authentication {
                encrypted-password xxxxxxxxxxxxxxxxxxxxxxxxxxx
            }
            level admin
        }
        user oper {
            authentication {
                encrypted-password xxxxxxxxxxxxxxxxxxxxxxxxxxx
            }
            level operator
        }
    }
    name-server 8.8.8.8
    name-server 8.8.4.4
    ntp {
        server 0.vyatta.pool.ntp.org {
        }
        server 1.vyatta.pool.ntp.org {
        }
        server 2.vyatta.pool.ntp.org {
        }
        server 3.vyatta.pool.ntp.org {
        }
    }
    offload {
        ipsec enable
        ipv4 {
            forwarding enable
        }
        ipv6 {
            forwarding enable
        }
    }
    package {
        repository wheezy {
            components "main contrib non-free"
            description wheezy
            distribution wheezy
            url http://http.us.debian.org/debian
        }
        repository wheezy-security {
            components main
            distribution wheezy/updates
            url http://security.debian.org
        }
    }
    syslog {
        global {
            facility all {
                level notice
            }  
            facility protocols {
                level debug
            }
        }
    }
    time-zone US/Pacific
}

/* Warning: Do not remove the following line. */
/* === vyatta-config-version: "config-management@1:conntrack@1:cron@1:dhcp-relay@1:dhcp-server@4:firewall@5:ipsec@4:nat@3:qos@1:quagga@2:system@4:ubnt-pptp@1:ubnt-util@1:vrrp@1:webgui@1:webproxy@1:zone-policy@1" === */
/* Release version: v1.6.0.4716006.141031.1731 */