Talk:Brute Force Dictionary Attack on Dovecot

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installation runlevels of fail2ban and iptables testing

Installation runlevels 

 chkconfig fail2ban on  - makes fail2ban start with the sytem runlevels in rc.d/rc3.d at startup
 chkconfig fail2ban off - disables fail2ban from starting automatically at system startup
 chkconfig --level 23 fail2ban on - you can specify the runlevel to set the order it loads in relation to the other services
 chkconfig fail2ban on && service fail2ban start - set it to start at boot and get it started immediately

Restart IPtables, Fail2ban and check the status of the Fail2ban install: 

 service iptables restart && service iptables status

Remove a ban from the Fail2ban SSH chain (change IP address): 

 su -c "iptables -D fail2ban-SSH -s 192.168.1.0 -j DROP"
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