OT: Blocking persistent spammers using IPTables?

[Alex Broens]

On 2010-04-29 17:03, Steve Campbell wrote:
> 
> 
> Philip Parsons wrote:
>>
>> If you are using MailScanner you should look into a program called 
>> Vispan.  IT scans the maillog and compiles lists of ips to 
>> automatically block according to whatever criteria you put in place.  
>> The good thing is that it releases the ip after 5 days as most 
>> spammers are using DHCP, but if the same machines starts to spam again 
>> it then blocks it for 10 days and so for and so long.  Also has a nice 
>> little web based stats page.
>>
>>
> Phillip,
> 
> Since this is labeled OT, hope you don't mind answering a few questions 
> about Vispan, and that the list doesn't mind the out-of-range stuff.
> 
> I don't really see how or where Vispan creates a list of IP for me. I 
> don't understand what the UseHeuristics parm is supposed to do. And I 
> haven't really found how to set up rbldnsd anywhere. All google searches 
> end in insufficient explanations, although most touch on some of this. 
> At this point in time, I have both UseAccess and UseIPTables set to 0 
> but have try setting UseHeuristics to both 0 and 1 without any 
> difference I could see.


http://www.google.com/search?q=rbldnsd+&btnG=Google+Search

<sigh>