Ubuntu – fail2ban – SSH – Dovecot – Postfix
Genervt von den Bruteforce Login Versuchen?
# aptitude install fail2ban iptables
# cp /etc/fail2ban/jail.conf /etc/fail2ban/jail.local
# vi /etc/fail2ban/jail.local
destemail = Webmaster@ ignoreip = 127.0.0.1/8 aaa.bbb.ccc.ddd/32 eee.fff.ggg.hhh/24 [dovecot] enabled = true [postfix] enabled = true [postfix-sasl] enabled = true [proftpd] enabled = true
# /etc/init.d/fail2ban restart