Firewall untuk block virus

kali ini saya akan mencoba membantu agan semua tentang bagai mana cara nya memfilter jaringan dari Virus... ini saya da mendapatkan sedikit ilmu dari sahabat saya, mohon di baca dan semoga bermanfaat bagi rekan2 semua....

/ip firewall filter

add chain=virus protocol=tcp dst-port=135-139 action=drop comment="Drop Blaster Worm"

add chain=virus protocol=udp dst-port=135-139 action=drop comment="Drop Messenger Worm"

add chain=virus protocol=tcp dst-port=445 action=drop comment="Drop Blaster Worm"

add chain=virus protocol=udp dst-port=445 action=drop comment="Drop Blaster Worm"

add chain=virus protocol=tcp dst-port=593 action=drop comment="________"

add chain=virus protocol=tcp dst-port=1024-1030 action=drop comment="________"

add chain=virus protocol=tcp dst-port=1080 action=drop comment="Drop MyDoom"

add chain=virus protocol=tcp dst-port=1214 action=drop comment="________"

add chain=virus protocol=tcp dst-port=1363 action=drop comment="ndm requester"

add chain=virus protocol=tcp dst-port=1364 action=drop comment="ndm server"

add chain=virus protocol=tcp dst-port=1368 action=drop comment="screen cast"

add chain=virus protocol=tcp dst-port=1373 action=drop comment="hromgrafx"

add chain=virus protocol=tcp dst-port=1377 action=drop comment="cichlid"

add chain=virus protocol=tcp dst-port=1433-1434 action=drop comment="Worm"

add chain=virus protocol=tcp dst-port=2745 action=drop comment="Bagle Virus"

add chain=virus protocol=tcp dst-port=2283 action=drop comment="Drop Dumaru.Y"

add chain=virus protocol=tcp dst-port=2535 action=drop comment="Drop Beagle"

add chain=virus protocol=tcp dst-port=2745 action=drop comment="Drop Beagle.C-K"

add chain=virus protocol=tcp dst-port=3127-3128 action=drop comment="Drop MyDoom"

add chain=virus protocol=tcp dst-port=3410 action=drop comment="Drop Backdoor OptixPro"

add chain=virus protocol=tcp dst-port=4444 action=drop comment="Worm"

add chain=virus protocol=udp dst-port=4444 action=drop comment="Worm"

add chain=virus protocol=tcp dst-port=5554 action=drop comment="Drop Sasser"

add chain=virus protocol=tcp dst-port=8866 action=drop comment="Drop Beagle.B"

add chain=virus protocol=tcp dst-port=9898 action=drop comment="Drop Dabber.A-B"

add chain=virus protocol=tcp dst-port=10000 action=drop comment="Drop Dumaru.Y"

add chain=virus protocol=tcp dst-port=10080 action=drop comment="Drop MyDoom.B"

add chain=virus protocol=tcp dst-port=12345 action=drop comment="Drop NetBus"

add chain=virus protocol=tcp dst-port=17300 action=drop comment="Drop Kuang2"

add chain=virus protocol=tcp dst-port=27374 action=drop comment="Drop SubSeven"

add chain=virus protocol=tcp dst-port=65506 action=drop comment="Drop PhatBot,Agobot, Gaobot"

add chain=virus protocol=udp dst-port=12667 action=drop comment="Trinoo" disabled=no

add chain=virus protocol=udp dst-port=27665 action=drop comment="Trinoo" disabled=no

add chain=virus protocol=udp dst-port=31335 action=drop comment="Trinoo" disabled=no

add chain=virus protocol=udp dst-port=27444 action=drop comment="Trinoo" disabled=no

add chain=virus protocol=udp dst-port=34555 action=drop comment="Trinoo" disabled=no

add chain=virus protocol=udp dst-port=35555 action=drop comment="Trinoo" disabled=no

add chain=virus protocol=tcp dst-port=27444 action=drop comment="Trinoo" disabled=no

add chain=virus protocol=tcp dst-port=27665 action=drop comment="Trinoo" disabled=no

add chain=virus protocol=tcp dst-port=31335 action=drop comment="Trinoo" disabled=no

add chain=virus protocol=tcp dst-port=31846 action=drop comment="Trinoo" disabled=no

add chain=virus protocol=tcp dst-port=34555 action=drop comment="Trinoo" disabled=no

add chain=virus protocol=tcp dst-port=35555 action=drop comment="Trinoo" disabled=no

code:
add action=drop chain=forward comment=";;Block W32.Kido - Conficker" disabled=no protocol=udp src-port=135-139,445

add action=drop chain=forward comment="" disabled=no dst-port=135-139,445 protocol=udp

add action=drop chain=forward comment="" disabled=no protocol=tcp src-port=135-139,445,593

add action=drop chain=forward comment="" disabled=no dst-port=135-139,445,593 protocol=tcp

note:
chain di atas merupakan salah satu alternatif untuk membatasi penyebaran virus kido/conficker yang walaupun sudah menunjukkan tanda2 penurunan aktivitasnya, tapi sampai sekarang masih merajalela di seluruh dunia.