[postfix-es] OT: Honeypot for spam harvesters
José Luis Tallón
jltallon en adv-solutions.net
Lun Jun 23 14:17:28 CEST 2003
I recently read ( guess it was at /. ) this article:
http://www.kungfugrippe.com/previously/002462.php
- A number of webs generating "call home"-like fake usernames to be used as
honeypots
- Some custom scripts to process the UCE received and add it to a DB from
where it could be fetched.
Maybe (we) could create an DNSBL for harvester's IPs/UAs, something like:
reversed.ip.address.harvesters.my.dnsbl.org A 127.0.0.1
-or-
reverserd.ip.address.harvesters.my.dnsbl.org CNAME damned-spammer-bot
damned-spammer-bot.harvesters.my.dnsbl.org A 127.0.0.1
TXT "MailHarvester/1.0"
this would need a custom libapache_auth_dnsbl or some php scripts / cgis in
order to prevent the harvester's IP/UA access [ maybe IPs alone would
suffice ] to "sensitive" content ( e-mail addresses ) afterwards. This
approach would at least reduce the rate at which spammers can collect new,
valid, email addresses.
As usual, any comments/sugggestions/ whatever are greatly appreciated.
Kind regards,
J.L.
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