Hello,my friend I have setup fail2ban
/etc/fail2ban/jail.conf [sasl-iptables] enabled = true filter = sasl backend = polling action = iptables[name=sasl, port=smtp, protocol=tcp] sendmail-whois[name=sasl, dest=t...@yi-enter.com] logpath = /var/log/mail.log maxretry = 3 when I use command fail2ban-client status Status |- Number of jail: 4 `- Jail list: postfix-tcpwrapper, ssh-ipfw, ssh-iptables, ssh-tcpwrapper there is no sasl, Does it working? Thanks for your time TOM 2012/9/26 Scott Lambert <lamb...@lambertfam.org> > On Tue, Sep 25, 2012 at 11:57:02PM +0800, Feel Zhou wrote: > > Hi,My friend > > Thank you for Benny Pedersen and Noel Jones answer > > I will try to install fail2ban to stop them next time > > By the way The IP 5.39.219.175 is too bad > > I just put it into hosts.deny > > Thanks a lot > > TOM > > My fail2ban setup on my mail server is banning close to 2000 hosts > per day the past week. I think there is a renewed attempt to use > the bot-nets to bruteforce a lot of e-mail accounts. > > -- > Scott Lambert KC5MLE Unix SysAdmin > lamb...@lambertfam.org >