Cara Setting Firewall di Mikrotik

Firewall berfungsi untuk mencegah/menutup (Drop) dari yang tidak kita inginkan, misalnya virus, akses, spam, dll agar tidak masuk ke system jaringan kita.

Caranya  :

1. Buka Mikrotik melalui Winbox.
2. Klik IP > Firewall

Atau sobat bisa copy dan paste script di bawah ini .

/ ip firewall filter

add chain=forward connection-state=established action=accept comment="allow established connections" disabled=no

add chain=forward connection-state=related action=accept comment="allow related connections" disabled=no

add chain=virus protocol=udp dst-port=135-139 action=drop comment="Drop Messenger Worm" disabled=no

add chain=forward connection-state=invalid action=drop comment="drop invalid  connections" disabled=no

add chain=virus protocol=tcp dst-port=135-139 action=drop comment="Drop Blaster Worm" disabled=no

add chain=virus protocol=tcp dst-port=1433-1434 action=drop comment="Worm"    disabled=no

add chain=virus protocol=tcp dst-port=445 action=drop comment="Drop Blaster  Worm" disabled=no

add chain=virus protocol=udp dst-port=445 action=drop comment="Drop Blaster  Worm" disabled=no

add chain=virus protocol=tcp dst-port=593 action=drop comment="________"     disabled=no

add chain=virus protocol=tcp dst-port=1024-1030 action=drop comment="________"   disabled=no

add chain=virus protocol=tcp dst-port=1080 action=drop comment="Drop MyDoom"   disabled=no

add chain=virus protocol=tcp dst-port=1214 action=drop comment="________"     disabled=no

add chain=virus protocol=tcp dst-port=1363 action=drop comment="ndm requester"  disabled=no

add chain=virus protocol=tcp dst-port=1364 action=drop comment="ndm server"     disabled=no

add chain=virus protocol=tcp dst-port=1368 action=drop comment="screen cast"  disabled=no

add chain=virus protocol=tcp dst-port=1373 action=drop comment="hromgrafx"  disabled=no

add chain=virus protocol=tcp dst-port=1377 action=drop comment="cichlid"  disabled=no

add chain=virus protocol=tcp dst-port=2745 action=drop comment="Bagle Virus" disabled=no

add chain=virus protocol=tcp dst-port=2283 action=drop comment="Drop Dumaru.Y" disabled=no

add chain=virus protocol=tcp dst-port=2535 action=drop comment="Drop Beagle"  disabled=no

add chain=virus protocol=tcp dst-port=2745 action=drop comment="Drop Beagle.C-K" disabled=no

add chain=virus protocol=tcp dst-port=3127 action=drop comment="Drop MyDoom"  disabled=no

add chain=virus protocol=tcp dst-port=3410 action=drop comment="Drop Backdoor  OptixPro" disabled=no

add chain=virus protocol=tcp dst-port=4444 action=drop comment="Worm"  disabled=no

add chain=virus protocol=udp dst-port=4444 action=drop comment="Worm" disabled=no

add chain=virus protocol=tcp dst-port=5554 action=drop comment="Drop Sasser"  disabled=no

add chain=virus protocol=tcp dst-port=8866 action=drop comment="Drop Beagle.B" disabled=no

add chain=virus protocol=tcp dst-port=9898 action=drop comment="Drop Dabber.A-B" disabled=no

add chain=virus protocol=tcp dst-port=10000 action=drop comment="Drop Dumaru.Y, sebaiknya di didisable karena juga sering digunakan utk vpn atau  webmin" disabled=yes

add chain=virus protocol=tcp dst-port=10080 action=drop comment="Drop MyDoom.B" disabled=no

add chain=virus protocol=tcp dst-port=12345 action=drop comment="Drop NetBus"  disabled=no

add chain=virus protocol=tcp dst-port=17300 action=drop comment="Drop Kuang2"  disabled=no

add chain=virus protocol=tcp dst-port=27374 action=drop comment="Drop SubSeven" disabled=no

add chain=virus protocol=tcp dst-port=65506 action=drop comment="Drop PhatBot, Agobot, Gaobot" disabled=no

add chain=forward action=jump jump-target=virus comment="jump to the virus  chain" disabled=no

add chain=input connection-state=established action=accept comment="Accept established  connections" disabled=no

add chain=input connection-state=related action=accept comment="Accept related  connections" disabled=no

add chain=input connection-state=invalid action=drop comment="Drop invalid  connections" disabled=no

add chain=input protocol=udp action=accept comment="UDP" disabled=no

add chain=input protocol=icmp limit=50/5s,2 action=accept comment="Allow  limited pings" disabled=no

add chain=input protocol=icmp action=drop comment="Drop excess pings"  disabled=no

add chain=input protocol=tcp dst-port=21 src-address-list=ournetwork   action=accept comment="FTP" disabled=no

add chain=input protocol=tcp dst-port=22 src-address-list=ournetwork   action=accept comment="SSH for secure shell" disabled=no

add chain=input protocol=tcp dst-port=23 src-address-list=ournetwork   action=accept comment="Telnet" disabled=no

add chain=input protocol=tcp dst-port=80 src-address-list=ournetwork    action=accept comment="Web" disabled=no

add chain=input protocol=tcp dst-port=8291 src-address-list=ournetwork    action=accept comment="winbox" disabled=no

add chain=input protocol=tcp dst-port=1723 action=accept comment="pptp-server"   disabled=no

add chain=input action=log log-prefix="DROP INPUT" comment="Log everything   else" disabled=no

add chain=input action=drop comment="Drop everything else" disabled=no 

Semoga Bermanfaat.