[CentOS] [WTA] Automatically blocking on failed login

> Hello All,
> I had problems with the security server, the server is frequently
> attacked using bruteforce attacks. Is there an application that can
> perform automatic blocking when there are failed login to the ports
> smtp, pop3 port, and others?
>
> I am currently using CentOS 5.5 in some servers
> Thanks in advanced.......

fail2ban will at least do some. And it works well, right out of the box,
er, package. <g>

          mark