Difference between revisions of "Bruteforce login prevention"

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m (Protected "Bruteforce login prevention": will be in manual [edit=sysop:move=sysop])
(No difference)

Revision as of 18:06, 18 February 2008

Stops people trying to bruteforce SSH login


/ ip firewall filter
add chain=input protocol=tcp dst-port=22 src-address-list=black_list 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=black_list address-list-timeout=1d \
    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


by omega-00 (forum user)