+firewall {
+    group {
+        interface-group WAN {
+            interface eth0
+        }
+    }
+}
 interfaces {
     ethernet eth0 {
         address dhcp
         description "HETZNER UPLINK"
     }
     loopback lo {
     }
 }
 nat {
     source {
         rule 100 {
             outbound-interface {
                 name eth0
             }
             translation {
                 address masquerade
             }
         }
     }
 }
 service {
     ntp {
         allow-client {
             address 0.0.0.0/0
             address ::/0
         }
         server time1.vyos.net {
         }
         server time2.vyos.net {
         }
         server time3.vyos.net {
         }
     }
     ssh {
         disable-password-authentication
         dynamic-protection {
         }
         port 22
     }
 }
 system {
     config-management {
         commit-revisions 100
     }
     conntrack {
         modules {
             ftp
             h323
             nfs
             pptp
             sip
             sqlnet
             tftp
         }
     }
     console {
         device ttyS0 {
             speed 115200
         }
     }
     host-name vyos
     login {
         user vyos {
             authentication {
                 encrypted-password REMOVED
                 plaintext-password ""
                 public-keys REMOVED
             }
         }
     }
     option {
         keyboard-layout de
     }
     syslog {
         global {
             facility all {
                 level info
             }
             facility local7 {
                 level debug
             }
         }
     }
 }