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Firewall untuk Router Mikrotik

28-06-2009 06:32 PM	#1 Firewall untuk Router Mikrotik
andi Jounin Posts: 160 Joined: 05.03.09 Location: blacknet Age: 36	Untuk mengamankan router mikrotik dari traffic virus dan excess ping dapat digunakan skrip firewall berikut Pertama buat address-list "ournetwork" yang berisi alamat IP radio, IP LAN dan IP WAN atau IP lainnya yang dapat dipercaya Dalam contoh berikut alamat IP radio adalah = 10.0.0.0/16, IP LAN = 192.168.2.0/24 dan IP WAN = 203.89.24.0/21 dan IP lainnya yang dapat dipercaya = 202.67.33.7 Untuk membuat address-list dapat menggunakan contoh skrip seperti berikut ini tinggal disesuaikan dengan konfigurasi jaringan Anda. Buat skrtip berikut menggunakan notepad kemudian copy-paste ke console mikrotik / ip firewall address-list add list=ournetwork address=203.89.24.0/21 comment="Datautama Network" disabled=no add list=ournetwork address=10.0.0.0/16 comment="IP Radio" disabled=no add list=ournetwork address=192.168.2.0/24 comment="LAN Network" disabled=no Selanjutnya copy-paste skrip berikut pada console mikrotik / 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 src-address-list=ournetwork action=accept comment="From Datautama network" 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 Efek dari skrip diatas adalah: 1. Router mikrotik hanya dapat diakses FTP, SSH, Web dan Winbox dari IP yang didefinisikan dalam address-list "ournetwork" sehingga tidak bisa diakses dari sembarang tempat. 2. Port-port yang sering dimanfaatkan virus di blok sehingga traffic virus tidak dapat dilewatkan, tetapi perlu diperhatikan jika ada user yang kesulitan mengakses service tertentu harus dicek pada chain="virus" apakah port yang dibutuhkan user tersebut terblok oleh firewall. 3. Packet ping dibatasi untuk menghindari excess ping. Selain itu yang perlu diperhatikan adalah: sebaiknya buat user baru dan password dengan group full kemudian disable user admin, hal ini untuk meminimasi resiko mikrotik Anda di hack orang. Selamat mencoba.


29-06-2009 03:45 PM	#2 RE: Firewall untuk Router Mikrotik
EVA-00 HackAge Posts: 2768 Joined: 21.05.08 Location: Wallahu a'lam Age: 39	Nice share, btw kl posting liat-liat dulu ya, jangan sampe salah kamar kaya gini, threadnya gw pindah ke Room Open Source. Nabi Muhammad SAW bersabda :â€ Barangsiapa Yang Mengamalkan Ilmu Yang Ia Ketahui Maka Allah Akan Memberikan Kepadanya Ilmu Yang Belum Ia Ketahuiâ€ (HR. Imam Ahmad). ..::shn6 u!vJq Jnoh 3Joldx3 d33>I::..


30-06-2009 04:35 PM	#3 RE: Firewall untuk Router Mikrotik
andi Jounin Posts: 160 Joined: 05.03.09 Location: blacknet Age: 36	maksih kakak...

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