North American Network Operators Group

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Re: Extreme spam testing

  • From: Niels Bakker
  • Date: Mon Dec 22 15:23:37 2003

* [email protected] (Chris Brenton) [Mon 22 Dec 2003, 21:07 CET]:
> Humm. This is something I have not run into before. Can you supply a URL
> that explains how to relay mail though a Telnet or RADIUS server?

Older versions of WinGate used to run a listener service on port 23
that would take a hostname and a port as input and connect to that.

Real easy to abuse, and also to DoS itself - let it connect to
localhost:23 a bunch of times and eventually Windows would run out
of clean winsocks, thus solving the problem for a little while.

	-- Niels.