At 9:17 PM -0500 8/13/07, Lewis Butler wrote:
On Aug 13, 2007, at 9:03 AM, Charles Mangin wrote:
since i took over hosting, all of these dictionary-style spams have
been going nowhere, being rejected out of hand with "<<< 550
Unrouteable address". i know i can't do anything more than ignore
them and hope they will move on to some other target but... sheesh.
six months? with nothing to show for it? you'd think there'd be
some sort of list purging in all that time.
Well, you can do something about it, you can blacklist IP addresses
that send too many bad messages where too many is a number you chose.
I wish that were true. Recently the dictionary attacks are coming
from completely unrelated IPs - you can sit there and watch the logs
roll by and know that it's a dictionary attack, but none of the IPs
match any other. It's obviously a botnet or an IP spoofing scheme.
Blacklists likely won't help much there.
--
Bill Christensen
<http://greenbuilder.com/contact/>
Green Building Professionals Directory: <http://directory.greenbuilder.com>
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