on 12-9-2008 12:17 PM James Pifer spake the following: > I was looking at my maillog and it looks like someone is trying to get > into my pop3 server. > > Dec 9 15:28:54 mailserver dovecot: pop3-login: Aborted login: user=<alexis>, method=PLAIN, rip=::ffff:66.167.184.203, lip=::ffff:192.168.1.2 > Dec 9 15:29:08 mailserver dovecot: pop3-login: Aborted login: user=<alfonso>, method=PLAIN, rip=::ffff:66.167.184.203, lip=::ffff:192.168.1.2 > Dec 9 15:29:14 mailserver dovecot: pop3-login: Aborted login: user=<alexis>, method=PLAIN, rip=::ffff:66.167.184.203, lip=::ffff:192.168.1.2 > Dec 9 15:29:18 mailserver dovecot: pop3-login: Aborted login: user=<alfonso>, method=PLAIN, rip=::ffff:66.167.184.203, lip=::ffff:192.168.1.2 > Dec 9 15:29:36 mailserver dovecot: pop3-login: Aborted login: user=<alfred>, method=PLAIN, rip=::ffff:66.167.184.203, lip=::ffff:192.168.1.2 > > How worried should I bee about this? Any suggestions for dealing with > it? > > Thanks, > James You can run something like fail2ban and write a rule to catch this. That way a couple of failures gets the ip address dropped into a firewall rule. -- MailScanner is like deodorant... You hope everybody uses it, and you notice quickly if they don't!!!!
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