/ip firewall {
                       filter add chain=input action=accept connection-state=established,related,untracked comment="defconf: accept established,related,untracked"
                       filter add chain=input action=drop connection-state=invalid comment="defconf: drop invalid"
                       filter add chain=input action=accept protocol=icmp comment="defconf: accept ICMP"
                       filter add chain=input action=accept dst-address=127.0.0.1 comment="defconf: accept to local loopback (for CAPsMAN)"
                       filter add chain=input action=drop in-interface-list=!LAN comment="defconf: drop all not coming from LAN"
                       filter add chain=forward action=accept ipsec-policy=in,ipsec comment="defconf: accept in ipsec policy"
                       filter add chain=forward action=accept ipsec-policy=out,ipsec comment="defconf: accept out ipsec policy"
                       filter add chain=forward action=fasttrack-connection connection-state=established,related comment="defconf: fasttrack"
                       filter add chain=forward action=accept connection-state=established,related,untracked comment="defconf: accept established,related, untracked"
                       filter add chain=forward action=drop connection-state=invalid comment="defconf: drop invalid"
                       filter add chain=forward action=drop connection-state=new connection-nat-state=!dstnat in-interface-list=WAN comment="defconf: drop all from WAN not DSTNATed"
                     }