http://wiki.mikrotik.com/wiki/Bruteforce_login_prevention
/ip firewall filter- add chain=input protocol=tcp dst-port=21 src-address-list=ftp_blacklist action=drop \
- comment="drop ftp brute forcers"
- add chain=output action=accept protocol=tcp content="530 Login incorrect" dst-limit=1/1m,9,dst-address/1m
- add chain=output action=add-dst-to-address-list protocol=tcp content="530 Login incorrect" \
- address-list=ftp_blacklist address-list-timeout=24h
複製代碼- add chain=input protocol=tcp dst-port=22 src-address-list=ssh_blacklist action=drop \
- comment="drop ssh brute forcers" disabled=no
- add chain=input protocol=tcp dst-port=22 connection-state=new \
- src-address-list=ssh_stage3 action=add-src-to-address-list address-list=ssh_blacklist \
- address-list-timeout=10d comment="" disabled=no
- add chain=input protocol=tcp dst-port=22 connection-state=new \
- src-address-list=ssh_stage2 action=add-src-to-address-list address-list=ssh_stage3 \
- address-list-timeout=1m comment="" disabled=no
- add chain=input protocol=tcp dst-port=22 connection-state=new src-address-list=ssh_stage1 \
- action=add-src-to-address-list address-list=ssh_stage2 address-list-timeout=1m comment="" disabled=no
- add chain=input protocol=tcp dst-port=22 connection-state=new action=add-src-to-address-list \
- address-list=ssh_stage1 address-list-timeout=1m comment="" disabled=no
複製代碼 |