Fail2ban RHEL configuration

Author: serghey-rodin

install/rhel/fail2ban.action.conf

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+# Fail2Ban configuration file for vesta
+
+[Definition]
+
+actionstart = /usr/local/vesta/bin/v-add-firewall-chain <name>
+actionstop = /usr/local/vesta/bin/v-delete-firewall-chain <name>
+actioncheck = iptables -n -L INPUT | grep -q 'fail2ban-<name>[ \t]'
+actionban = /usr/local/vesta/bin/v-add-firewall-ban <ip> <name>
+actionunban = /usr/local/vesta/bin/v-delete-firewall-ban <ip> <name>
+

install/rhel/fail2ban.filter.conf

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+# Fail2Ban filter for unsuccesfull Vesta authentication attempts
+#
+
+[INCLUDES]
+before = common.conf
+
+[Definition]
+failregex =  .* <HOST> failed to login
+ignoreregex =
+

install/rhel/fail2ban.jail.conf

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+[ssh-iptables]
+enabled  = true
+filter   = sshd
+action   = vesta[name=SSH]
+logpath  = /var/log/secure
+maxretry = 5
+
+[vsftpd-iptables]
+enabled  = false
+filter   = vsftpd
+action   = vesta[name=FTP]
+logpath  = /var/log/vsftpd.log
+maxretry = 5
+
+[exim-iptables]
+enabled = true
+filter  = exim
+action  = vesta[name=MAIL]
+logpath = /var/log/exim/main.log
+
+[dovecot-iptables]
+enabled = true
+filter  = dovecot
+action  = vesta[name=MAIL]
+logpath = /var/log/dovecot.log
+
+[mysqld-iptables]
+enabled  = true
+filter   = mysqld-auth
+action   = vesta[name=DB]
+logpath  = /var/log/mysqld.log
+maxretry = 5
+
+[vesta-iptables]
+enabled = true
+filter  = vesta
+action  = vesta[name=VESTA]
+logpath = /var/log/vesta/auth.log
+maxretry = 5