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الكود:: / ip firewall filter
add chain=virus protocol=tcp dst-port=135-139 action=drop comment="Drop \
Blaster Worm" disabled=no
add chain=virus protocol=udp dst-port=135-139 action=drop comment="Drop \
Messenger 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=1433-1434 action=drop comment="Worm" \
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=3127-3128 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" disabled=no
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 protocol=tcp psd=21,3s,3,1 action=add-src-to-address-list \
address-list="port scanners" address-list-timeout=2w comment="Port \
scanners to list " disabled=no
add chain=input protocol=tcp tcp-flags=fin,!syn,!rst,!psh,!ack,!urg \
action=add-src-to-address-list address-list="port scanners" \
address-list-timeout=2w comment="NMAP FIN Stealth scan\n" disabled=no
add chain=input protocol=tcp tcp-flags=fin,syn action=add-src-to-address-list \
address-list="port scanners" address-list-timeout=2w comment="" \
disabled=no
add chain=input protocol=tcp tcp-flags=fin,syn action=add-src-to-address-list \
address-list="port scanners" address-list-timeout=2w comment="SYN/FIN \
scan" disabled=no
add chain=input protocol=tcp tcp-flags=syn,rst action=add-src-to-address-list \
address-list="port scanners" address-list-timeout=2w comment="SYN/RST \
scan" disabled=no
add chain=input protocol=tcp tcp-flags=fin,psh,urg,!syn,!rst,!ack \
action=add-src-to-address-list address-list="port scanners" \
address-list-timeout=2w comment="FIN/PSH/URG scan" disabled=no
add chain=input protocol=tcp tcp-flags=fin,syn,rst,psh,ack,urg \
action=add-src-to-address-list address-list="port scanners" \
address-list-timeout=2w comment="ALL/ALL scan" disabled=no
add chain=input protocol=tcp tcp-flags=!fin,!syn,!rst,!psh,!ack,!urg \
action=add-src-to-address-list address-list="port scanners" \
address-list-timeout=2w comment="NMAP NULL scan" disabled=no
add chain=input src-address-list="port scanners" action=drop comment="dropping \
port scanners" disabled=no
add chain=forward protocol=tcp psd=21,3s,3,1 action=add-src-to-address-list \
address-list="port scanners" address-list-timeout=2w comment="Port \
scanners to list " disabled=no
add chain=forward protocol=tcp tcp-flags=fin,!syn,!rst,!psh,!ack,!urg \
action=add-src-to-address-list address-list="port scanners" \
address-list-timeout=2w comment="NMAP FIN Stealth scan\n" disabled=no
add chain=forward protocol=tcp tcp-flags=fin,syn \
action=add-src-to-address-list address-list="port scanners" \
address-list-timeout=2w comment="" disabled=no
add chain=forward protocol=tcp tcp-flags=fin,syn \
action=add-src-to-address-list address-list="port scanners" \
address-list-timeout=2w comment="SYN/FIN scan" disabled=no
add chain=forward protocol=tcp tcp-flags=syn,rst \
action=add-src-to-address-list address-list="port scanners" \
address-list-timeout=2w comment="SYN/RST scan" disabled=no
add chain=forward protocol=tcp tcp-flags=fin,psh,urg,!syn,!rst,!ack \
action=add-src-to-address-list address-list="port scanners" \
address-list-timeout=2w comment="FIN/PSH/URG scan" disabled=no
add chain=forward protocol=tcp tcp-flags=fin,syn,rst,psh,ack,urg \
action=add-src-to-address-list address-list="port scanners" \
address-list-timeout=2w comment="ALL/ALL scan" disabled=no
add chain=forward protocol=tcp tcp-flags=!fin,!syn,!rst,!psh,!ack,!urg \
action=add-src-to-address-list address-list="port scanners" \
address-list-timeout=2w comment="NMAP NULL scan" disabled=no
add chain=forward src-address-list="port scanners" action=drop \
comment="dropping port scanners" disabled=no
add chain=forward protocol=tcp action=jump jump-target=restrict-tcp comment="" \
disabled=no
add chain=forward protocol=udp action=jump jump-target=restrict-udp comment="" \
disabled=no
add chain=forward action=jump jump-target=restrict-ip comment="" disabled=no
add chain=restrict-tcp connection-mark=auth action=reject \
reject-with=icmp-network-unreachable comment="" disabled=no
add chain=restrict-tcp connection-mark=smtp action=jump \
jump-target=smtp-first-drop comment="anti-spam policy" disabled=no
add chain=smtp-first-drop src-address-list=first-smtp \
action=add-src-to-address-list address-list=approved-smtp \
address-list-timeout=5s comment="" disabled=no
add chain=smtp-first-drop src-address-list=approved-smtp action=return \
comment="" disabled=no
add chain=smtp-first-drop action=add-src-to-address-list \
address-list=first-smtp address-list-timeout=5s comment="" disabled=no
add chain=smtp-first-drop action=reject reject-with=icmp-network-unreachable \
comment="" disabled=no
add chain=restrict-tcp connection-mark=other-tcp action=jump jump-target=drop \
comment="" disabled=no
add chain=restrict-udp connection-mark=other-udp action=jump jump-target=drop \
comment="" disabled=no
add chain=restrict-ip connection-mark=other action=jump jump-target=drop \
comment="" disabled=no