That is the ticket..
 My turn contribute :)
I have a secondary/backup server I will install your script on and allow some production traffic to pass through and
I will get started on a time out script for this.
 Maybe Eric can include this as a whole on the QMT WIKI site.
 When I can, I will submit a follow up with results.
Thanks
Dave

On 4/9/2013 9:15 AM, Sam Clippinger wrote:
It came from pure desperation. IP filtering wasn't doing the trick for me, so I started paying attention to the rDNS names and checking out their websites. When I saw the same site again and again, I knew I had a way to stop them. Then I also noticed that a lot of identical sites were hosted on IPs in the same subnets, so I extended the script to search out neighboring IPs. It works pretty well.

The script generates entries in a blacklist directory structure, not a file, so the number of blacklist entries shouldn't be a problem. Because each entry is a separate file, you could write a very simple script to automatically delete any files older than X days. That would make them automatically expire.

-- Sam Clippinger




On Apr 9, 2013, at 7:08 AM, David Milholen wrote:

Very Clever,
 Where did this idea come from?
Also, is there tick timer per IP so as not to load up the blacklist file?
I like using the timers in router OS when performing firewall rule sets.
Basically lists the bad ip or name for a time limit then drops it but it will get
added again if it is still bad.

Dave

On 1/27/2013 4:00 PM, Sam Clippinger wrote:
I've been asked for these scripts a few times and I've finally made the time to package them up. They can be downloaded here:
http://www.spamdyke.org/releases/hunter_seeker/
http://www.spamdyke.org/releases/spamtrap/
Of the two, the hunter_seeker script is the most effective. My rDNS blacklist is up to 92500 entries and stops a significant number of incoming messages every day.

-- Sam Clippinger




On Jan 18, 2013, at 4:44 PM, Denny W. Jones wrote:

Mr Clippinger,

In this message:

http://www.mail-archive.com/[email protected]/msg01162.html

you refer to a script you wrote for scanning for IP's to blacklist. I was wondering if you were able to make this available for download. I'd be very interested in experimenting with it on my server.

Thanks for your time.

Denny




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David Milholen
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David Milholen
Project Engineer
P:501-318-1300
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