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Subject: 
Re: E-mail authentication during posting
Newsgroups: 
lugnet.admin.nntp
Date: 
Wed, 20 Jun 2001 21:28:49 GMT
Viewed: 
2839 times
  
I think policy makes sense.

- Marc Cook

In lugnet.announce, Todd Lehman writes:
> The Quick Summary
> =================
> 
> Effectively immediately, all LUGNET News posts now require e-mail
> authentication after posting, in order to prevent the continuance of forged
> messages.  An exception to this rule is if you are a member and signed-in
> through the web interface, in which case the system has already authenticated
> you and simply logs your Member-ID in the message headers.
> 
> 
> The Explanation
> ===============
> 
> The message transport system which LUGNET uses is based on trust and honesty.
> It is an open system called NNTP (Network News Transport Protocol) in which
> it is actually relatively easy for someone to dishonestly forge messages --
> to cause them to appear as though they were written by someone other than you.
> 
> We've been lucky as a community that we were able to get this far (more than
> two years -- almost three) without a dire need for authentication of messages.
> Recently, however, there has been a spate of message forgeries.  These
> forgeries have to stop.
> 
> The simplest way around this is for the server to accept a message, then send
> a quick confirmation e-mail to the poster listed in the From: header.  This
> e-mail contains a special URL which will authenticate or "release" the message
> into the pool of active messages.  Click that URL, then click "Post It" and
> you're all set.
> 
> I'm sorry that this extra step had to be imposed, but in retrospect, it seems
> foolish that it wasn't there all along.
> 
> BTW, if you are a LUGNET Member and you are signed in and post messages via
> the web interface, the system already knows who you are, and it won't send
> you an e-mail asking you to authenticate your messages.  There is (currently)
> a slight loophole here in that a member could (if they jumped through enough
> hoops) actually still provide a false e-mail address, but the Member-ID number
> is logged in the article headers, so if someone does this, it will be possible
> to know whom to give the boot.  I'll be doing some more work later to close up
> this loophole.
> 
> --
> Todd S. Lehman | LUGNET Admin <todd@lugnet.com>
> 
> p.s.  My apologies if this message reaches you twice at different e-mail
> addresses...the address list I used was the entire database of everyone who
> has registered for posting privileges at LUGNET, and I didn't want to risk
> guessing wrong about which addresses are people's primary ones.



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