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RouterOS官方防火墙脚本

/ ip firewall connection tracking

set enabled=yes tcp-syn-sent-timeout=1m tcp-syn-received-timeout=1m \

tcp-established-timeout=1d tcp-fin-wait-timeout=10s \

tcp-close-wait-timeout=10s tcp-last-ack-timeout=10s \

tcp-time-wait-timeout=10s tcp-close-timeout=10s udp-timeout=10s \

udp-stream-timeout=3m icmp-timeout=10s generic-timeout=10m

/ ip firewall filter

add chain=input connection-state=established action=accept comment="accept \

established connection packets" disabled=no

add chain=input connection-state=related action=accept comment="accept related \

connection packets" disabled=no

add chain=input connection-state=invalid action=drop comment="drop invalid \

packets" disabled=no

add chain=input protocol=tcp psd=21,3s,3,1 action=drop comment="detect and \

drop port scan connections" disabled=no

add chain=input protocol=tcp connection-limit=3,32 src-address-list=black_list \

action=tarpit comment="suppress DoS attack" disabled=no

add chain=input protocol=tcp connection-limit=10,32 \

action=add-src-to-address-list address-list=black_list \

address-list-timeout=1d comment="detect DoS attack" disabled=no

add chain=input dst-address-type=!local action=drop comment="drop all that is \

not to local" disabled=no

add chain=input src-address-type=!unicast action=drop comment="drop all that \

is not from unicast" disabled=no

add chain=input protocol=icmp action=jump jump-target=ICMP comment="jump to \

chain ICMP" disabled=no

add chain=input action=jump jump-target=services comment="jump to chain \

services" disabled=no

add chain=input action=log log-prefix="input" comment="" disabled=yes

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

add chain=ICMP protocol=icmp icmp-options=0:0-255 limit=5,5 action=accept \

comment="0:0 and limit for 5pac/s" disabled=no

add chain=ICMP protocol=icmp icmp-options=3:3 limit=5,5 action=accept \

comment="3:3 and limit for 5pac/s" disabled=no

add chain=ICMP protocol=icmp icmp-options=3:4 limit=5,5 action=accept \

comment="3:4 and limit for 5pac/s" disabled=no

add chain=ICMP protocol=icmp icmp-options=8:0-255 limit=5,5 action=accept \

comment="8:0 and limit for 5pac/s" disabled=no

add chain=ICMP protocol=icmp icmp-options=11:0-255 limit=5,5 action=accept \

comment="11:0 and limit for 5pac/s" disabled=no

add chain=ICMP protocol=icmp action=drop comment="Drop everything else" \

disabled=no

add chain=services src-address=127.0.0.1 dst-address=127.0.0.1 action=accept \

comment="accept localhost" disabled=no

add chain=services protocol=tcp dst-port=20-21 action=accept comment="allow \

ftp" disabled=no

add chain=services protocol=tcp dst-port=22 action=accept comment="allow sftp, \

ssh" disabled=no

add chain=services protocol=tcp dst-port=23 action=accept comment="allow \

telnet" disabled=no

add chain=services protocol=tcp dst-port=80 action=accept comment="allow http, \

webbox" disabled=no

add chain=services protocol=tcp dst-port=8291 action=accept comment="Allow \

winbox" disabled=no

add chain=services protocol=udp dst-port=20561 action=accept comment="allow \

MACwinbox " disabled=no

add chain=services src-address=159.148.172.205 protocol=tcp dst-port=7828 \

action=accept comment="..." disabled=no

add chain=services protocol=tcp dst-port=2000 action=accept comment="Bandwidth \

server" disabled=yes

add chain=services protocol=udp dst-port=5678 action=accept comment=" MT \

Discovery Protocol" disabled=yes

add chain=services protocol=tcp dst-port=53 action=accept comment="allow DNS \

request" disabled=yes

add chain=services protocol=udp dst-port=53 action=accept comment="Allow DNS \

request" disabled=yes

add chain=services protocol=udp dst-port=1701 action=accept comment="allow \

L2TP" disabled=yes

add chain=services protocol=tcp dst-port=1723 action=accept comment="allow \

PPTP" disabled=yes

add chain=services protocol=gre action=accept comment="allow PPTP and EoIP" \

disabled=yes

add chain=services protocol=ipencap action=accept comment="allow IPIP" \

disabled=yes

add chain=services protocol=udp dst-port=1900 action=accept comment="UPnP" \

disabled=yes

add chain=services protocol=tcp dst-port=2828 action=accept comment="UPnP" \

disabled=yes

add chain=services protocol=udp dst-port=67-68 action=accept comment="allow \

DHCP" disabled=yes

add chain=services protocol=tcp dst-port=8080 action=accept comment="allow Web \

Proxy" disabled=yes

add chain=services protocol=tcp dst-port=123 action=accept comment="allow NTP" \

disabled=yes

add chain=services protocol=tcp dst-port=161 action=accept comment="allow \

SNMP" disabled=yes

add chain=services protocol=tcp dst-port=443 action=accept comment="allow \

https for Hotspot" disabled=yes

add chain=services protocol=tcp dst-port=1080 action=accept comment="allow \

Socks for Hotspot" disabled=yes

add chain=services protocol=udp dst-port=500 action=accept comment="allow \

IPSec connections" disabled=yes

add chain=services protocol=ipsec-esp action=accept comment="allow IPSec" \

disabled=yes

add chain=services protocol=ipsec-ah action=accept comment="allow IPSec" \

disabled=yes

add chain=services protocol=tcp dst-port=179 action=accept comment="Allow BGP" \

disabled=yes

add chain=services protocol=udp dst-port=520-521 action=accept comment="allow \

RIP" disabled=yes

add chain=services protocol=ospf action=accept comment="allow OSPF" \

disabled=yes

add chain=services protocol=udp dst-port=5000-5100 action=accept \

comment="allow BGP" disabled=yes

add chain=services protocol=tcp dst-port=1720 action=accept comment="allow \

Telephony" disabled=yes

add chain=services protocol=udp dst-port=1719 action=accept comment="allow \

Telephony" disabled=yes

add chain=services protocol=vrrp action=accept comment="allow VRRP " \

disabled=yes

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, \

Gaobot" disabled=no

add chain=forward connection-state=established action=accept comment="accept \

established packets" disabled=no

add chain=forward connection-state=related action=accept comment="accept \

related packets" disabled=no

add chain=forward connection-state=invalid action=drop comment="drop invalid \

packets" disabled=no

add chain=forward src-address-type=!unicast action=drop comment="drop all that \

is not from unicast" disabled=no

add chain=forward in-interface=internet src-address-list=not_in_internet \

action=drop comment="drop data from bogon IP's" disabled=no

add chain=forward in-interface=!internet dst-address-list=not_in_internet \

action=drop comment="drop data to bogon IP's" disabled=no

add chain=forward protocol=icmp action=jump jump-target=ICMP comment="jump to \

chain ICMP" disabled=no

add chain=forward action=jump jump-target=virus comment="jump to virus chain" \

disabled=no

add chain=forward action=accept comment="Accept everything else" disabled=no

add chain=output connection-state=invalid action=drop comment="drop invalid \

packets" disabled=no

add chain=output connection-state=related action=accept comment="accept \

related packets" disabled=no

add chain=output connection-state=established action=accept comment="accept \

established packets" disabled=no

add chain=output action=drop comment="Drop all connections from this router" \

disabled=no

/ ip firewall address-list

add list=not_in_internet address=0.0.0.0/8 comment="" disabled=no

add list=not_in_internet address=172.16.0.0/12 comment="" disabled=no

add list=not_in_internet address=192.168.0.0/16 comment="" disabled=no

add list=not_in_internet address=10.0.0.0/8 comment="" disabled=no

add list=not_in_internet address=169.254.0.0/16 comment="" disabled=no

add list=not_in_internet address=127.0.0.0/8 comment="" disabled=no

add list=not_in_internet address=224.0.0.0/3 comment="" disabled=no

/ ip firewall service-port

set ftp ports=21 disabled=no

set tftp ports=69 disabled=no

set irc ports=6667 disabled=no

set h323 disabled=yes

set quake3 disabled=no

set mms disabled=no

set gre disabled=yes

set pptp disabled=yes

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