[CentOS] Sendmail SMTP Brute-Force Attack

John R Pierce wrote:
> On 06/15/12 9:25 AM, Shiv. Nath wrote:
>> 1.) install&  configure fail2ban
>
> each of the connections shown in the log fragment was from a different
> IP.  how would fail2ban help?
>
Interesting - I hadn't looked that closely. You're right - if it's one
attack, it's a distributed one.

       mark