Código :/ ip firewall filter add chain=forward protocol=tcp dst-port=135 action=drop comment="" disabled=no add chain=input connection-state=invalid action=drop comment="Drop Invalid connections" disabled=no add chain=input connection-state=established action=accept comment="Allow Established connections" disabled=no add chain=input protocol=udp action=accept comment="Allow UDP" disabled=no add chain=input protocol=tcp dst-port=23 action=drop comment="" disabled=yes add chain=input protocol=icmp action=accept comment="Allow ICMP" disabled=no add chain=input src-address=192.168.0.0/24 action=accept comment="Allow access to router from known network" disabled=no add chain=input action=drop comment="Drop anything else" disabled=no add chain=forward protocol=tcp connection-state=invalid action=drop comment="drop invalid connections" disabled=no add chain=forward connection-state=established action=accept comment="allow already established connections" disabled=no add chain=forward connection-state=related action=accept comment="allow related connections" disabled=no add chain=forward src-address=0.0.0.0/8 action=drop comment="" disabled=no add chain=forward dst-address=0.0.0.0/8 action=drop comment="" disabled=no add chain=forward src-address=127.0.0.0/8 action=drop comment="" disabled=no add chain=forward dst-address=127.0.0.0/8 action=drop comment="" disabled=no add chain=forward src-address=224.0.0.0/3 action=drop comment="" disabled=no add chain=forward dst-address=224.0.0.0/3 action=drop comment="" disabled=no add chain=forward protocol=tcp action=jump jump-target=tcp comment="" disabled=no add chain=forward protocol=udp action=jump jump-target=udp comment="" disabled=no add chain=forward protocol=icmp action=jump jump-target=icmp comment="" disabled=no add chain=tcp protocol=tcp dst-port=69 action=drop comment="deny TFTP" disabled=no add chain=tcp protocol=tcp dst-port=111 action=drop comment="deny RPC portmapper" disabled=no add chain=tcp protocol=tcp dst-port=135 action=drop comment="deny RPC portmapper" disabled=no add chain=tcp protocol=tcp dst-port=137-139 action=drop comment="deny NBT" disabled=no add chain=tcp protocol=tcp dst-port=445 action=drop comment="deny cifs" disabled=no add chain=tcp protocol=tcp dst-port=2049 action=drop comment="deny NFS" disabled=no add chain=tcp protocol=tcp dst-port=12345-12346 action=drop comment="deny NetBus" disabled=no add chain=tcp protocol=tcp dst-port=20034 action=drop comment="deny NetBus" disabled=no add chain=tcp protocol=tcp dst-port=3133 action=drop comment="deny BackOriffice" disabled=no add chain=tcp protocol=tcp dst-port=67-68 action=drop comment="deny DHCP" disabled=no add chain=udp protocol=udp dst-port=69 action=drop comment="deny TFTP" disabled=no add chain=udp protocol=udp dst-port=111 action=drop comment="deny PRC portmapper" disabled=no add chain=udp protocol=udp dst-port=135 action=drop comment="deny PRC portmapper" disabled=no add chain=udp protocol=udp dst-port=137-139 action=drop comment="deny NBT" disabled=no add chain=udp protocol=udp dst-port=2049 action=drop comment="deny NFS" disabled=no add chain=udp protocol=udp dst-port=3133 action=drop comment="deny BackOriffice" disabled=no add chain=icmp protocol=icmp icmp-options=0:0 action=accept comment="drop invalid connections" disabled=no add chain=icmp protocol=icmp icmp-options=3:0 action=accept comment="allow established connections" disabled=no add chain=icmp protocol=icmp icmp-options=3:1 action=accept comment="allow already established connections" disabled=no add chain=icmp protocol=icmp icmp-options=4:0 action=accept comment="allow source quench" disabled=no add chain=icmp protocol=icmp icmp-options=8:0 action=accept comment="allow echo request" disabled=no add chain=icmp protocol=icmp icmp-options=11:0 action=accept comment="allow time exceed" disabled=no add chain=icmp protocol=icmp icmp-options=12:0 action=accept comment="allow parameter bad" disabled=no add chain=icmp action=drop comment="deny all other types" disabled=no add chain=forward src-address=192.168.0.0/24 dst-address=192.168.0.0/24 action=drop comment="Bloqueio acesso entre \ usuarios" disabled=no add chain="forward protocol=tcp dst-port=135-139 action=drop" action=accept comment="" disabled=no add chain="forward protocol=udp dst-port=135-139 action=drop" action=accept comment="" disabled=no add chain="forward protocol=tcp dst-port=445-449 action=drop" action=accept comment="" disabled=no add chain="forward protocol=udp dst-port=445-449 action=drop" action=accept comment="" disabled=no add chain=input in-interface=Local protocol=tcp src-port=6776 action=drop comment="2000 Cracks " disabled=no add chain=input in-interface=Local protocol=tcp src-port=32418 action=drop comment="Acid Battery " disabled=no add chain=input in-interface=Local protocol=tcp src-port=0-65535 action=drop comment="" disabled=no add chain=input src-address=192.168.1.0/24 action=accept comment="Allow access to router from known network 2" \ disabled=no add chain=forward src-address=192.168.1.0/24 dst-address=192.168.1.0/24 action=drop comment="Bloqueio acesso entre \ usuarios 2" disabled=no add chain=forward in-interface=Local out-interface=Local action=accept comment="Allow traffic between wired and wireless \ networks" disabled=no add chain=forward action=jump jump-target=sanity-check comment="Sanity Check" disabled=no add chain=sanity-check packet-mark=nat-traversal action=jump jump-target=drop comment="Deny illegal NAT traversal" \ disabled=no add chain=sanity-check protocol=tcp psd=20,3s,3,1 action=add-src-to-address-list address-list=blocked-addr \ address-list-timeout=1d comment="Block port scans" disabled=no add chain=sanity-check protocol=tcp tcp-flags=fin,psh,urg,!syn,!rst,!ack action=add-src-to-address-list \ address-list=blocked-addr address-list-timeout=1d comment="Block TCP Null scan" disabled=no add chain=sanity-check protocol=tcp tcp-flags=!fin,!syn,!rst,!psh,!ack,!urg action=add-src-to-address-list \ address-list=blocked-addr address-list-timeout=1d comment="Block TCP Xmas scan" disabled=no add chain=sanity-check protocol=tcp src-address-list=blocked-addr action=jump jump-target=drop comment="" disabled=no add chain=sanity-check protocol=tcp tcp-flags=rst action=jump jump-target=drop comment="Drop TCP RST" disabled=no add chain=sanity-check protocol=tcp tcp-flags=fin,syn action=jump jump-target=drop comment="Drop TCP SYN+FIN" disabled=no add chain=sanity-check connection-state=invalid action=jump jump-target=drop comment="Dropping invalid connections at \ once" disabled=no