[Mimedefang] dictionary attacks looking for a valid user

Ben Kamen bkamen at benjammin.net
Fri Dec 16 13:06:56 EST 2005


Steffen Kaiser wrote:

> Actually, there was a patch for sendmail posted to comp.mail.sendmail 
> for a feature "drop connection if number of bad recipients exceeds n". 
> http://groups.google.com/group/comp.mail.sendmail/browse_thread/thread/5203bd02a5d9f8f3 

Problem is, I've seen a lot of attacks that don't use multiple recipients in one 
transaction... they figured that one out... so they do one per connection...

That's why I added it to the "null route" program instead.

  -Ben

-- 
Ben Kamen - O.D.T., S.P.
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Email: bkamen AT benjammin DOT net       Web: http://www.benjammin.net
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