[CentOS] Sendmail SMTP Brute-Force Attack
Nataraj
incoming-centos at rjl.com
Fri Jun 15 17:24:33 UTC 2012
On 06/15/2012 09:33 AM, 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?
>
>
>
If you were to switch to postfix, I believe that postscreen may be able
to handle this type of spambot attack.
http://www.postfix.org/postscreen.8.html
Unless you happen to already be a sendmail guru, my sense is that
postfix is easier to configure to deal with these complex situations.
Nataraj
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