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#configuration files: ./fail2ban#regex filters: ./fail2ban/filter.d#action file (do/block): ./fail2ban/action.dFirst edit the dovecot.conf filter file. vi ./fail2ban/[[sample-filter.d|filter.d]]===== jail.conf / jail.local =====Next edit the postfix-sasl.conf and iptables-multiport-tcp.conf action files. vi ./fail2ban/filter.d/[[sample-postfix-sasl.conf|postfix-sasl.conf]] vi ./fail2ban/action.d/[[sample-iptables-multiport-tcp.conf|iptables-multiport-tcp.conf]]Comments in jail.conf clearly warn against modifications in jail.conf. Put your customizations in a jail.local file or a jail.d/customisation.local Do not directly edit jail.conf. Comments in jail.conf clearly warn against modifications in jail.conf. Put your customizations in a jail.local file or a jail.d/customisation.local cp /etc/fail2ban/jail.conf /etc/fail2ban/jail.local cp ./fail2ban/jail.conf ./fail2ban/jail.local vi /etc/fail2ban/jail.local vi ./fail2ban/[[sample-jail.local|jail.local]]*filter: Refers to the appropriate filter file in "/etc/fail2ban/filter.d".*filter: Refers to the appropriate filter file in "./fail2ban/filter.d".The configure section is incomplete! We need a tested and proven configuration to post here.{{:Sparse Entry}}