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 _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos
Re: Sendmail SMTP Brute-Force Attack
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
- To: CentOS mailing list <centos@xxxxxxxxxx>
- Subject: Re: Sendmail SMTP Brute-Force Attack
- From: Nataraj <incoming-centos@xxxxxxx>
- Date: Fri, 15 Jun 2012 10:24:33 -0700
- Delivered-to: centos@xxxxxxxxxx
- In-reply-to: <4FDB63C8.9060709@hogranch.com>
- User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:12.0) Gecko/20120430 Thunderbird/12.0.1
- References:
- Sendmail SMTP Brute-Force Attack
- From: Gustavo Lacoste
- Re: Sendmail SMTP Brute-Force Attack
- From: Shiv. Nath
- Re: Sendmail SMTP Brute-Force Attack
- From: John R Pierce
- Sendmail SMTP Brute-Force Attack
- Prev by Date: Strange su behavior after installing latest CentOS updates
- Next by Date: Re: Strange su behavior after installing latest CentOS updates
- Previous by thread: Re: Sendmail SMTP Brute-Force Attack
- Next by thread: Re: Sendmail SMTP Brute-Force Attack
- Index(es):
 |