Posted inMikrotik
Filter: Auto Blacklist SSH/Telnet Spammer
/ip firewall filter add action=drop chain=input comment="drop brute forcers" dst-port=22,23 protocol=tcp src-address-list=ssh_blacklist add action=add-src-to-address-list address-list=ssh_blacklist address-list-timeout=4w2d chain=input connection-state=new dst-port=22,23 protocol=tcp…