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March 25, 2012

Block Spam dan Ddos Melalui mikrotik

ini pengalaman di warnet,

sempat bingung koneksi kok lambat dan sering error dan kalo dilihat trafic tinggi padahal pengguna hanya sedikit.

saya berpikir bagimana caranya mengatasinya sendiri, buka wiki.mikrotik.com ternyata banyak wiki nya, berikut tutorialnya:

/ip firewall filter


add chain=forward protocol=tcp dst-port=25 src-address-list=spammer
action=drop comment="BLOCK SPAMMERS OR INFECTED USERS"


add chain=forward protocol=tcp dst-port=25 connection-limit=30,32 limit=50,5 action=add-src-to-address-list
address-list=spammer address-list-timeout=1d comment="Detect and add-list SMTP virus or spammers"

hasilnya lumayan, browsing jadi tidak lama loadingnya :D

Referensi:
http://wiki.mikrotik.com/wiki/How_to_autodetect_infected_or_spammer_users_and_temporary_block_the_SMTP_output

http://wiki.mikrotik.com/wiki/DDoS

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