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Re: blocking dialups

  • From: torben fjerdingstad < >
  • Date: Sun, 11 Oct 1998 23:02:35 +0200
  • Notice-requested-upon-delivery-to: unitfj@localhost

On Sun, Oct 11, 1998 at 01:07:49PM +0100, Mark Lowes wrote:
> The entity claiming to be torben fjerdingstad wrote...
> > At this moment I see most UBE coming directly from dialup
> > accounts.
> 
> Agreed, though I'm in the middle of playing whack-a-mole with Stanford
> and Boston Uni's and open relays on their sites (they are acting but
> they've got a lot of machines to cover.)

I wonder how many years it will take for them to expire from all
blocking lists in the world.
  
> > First, I think the ISP's should filter their dialups so they have
> > to relay through the local mail relay.
> 
> Not so sure about this, why is it up to the ISP to dictate how their
> customers send email?  Personally I really dislike the idea, what ISPs
> should be doing is landing more heavily on spammers and charging them
> for after spam clean up.

I don't consider it dictate. Any ordinary dialup customers must be
interested in getting rid of his outgoing mail as fast as
possible, which is done by delivering it to the ISP's mail host
and let it do the hard work with slow and deferred transfers.
That way the customers save phone costs and time.

As a side effect it may be easier for the ISP to track it's spammers.

If the customers are concerned about privacy, they should use
encryption anyway.

> > Until then, I would like to block all dialup/ppp ip's.
> > They are easy to find.
> > The problem: How can I know when those ip's get allocated
> > for something else?
> 
> http://www.erols.com/aburner/dialups.html

Nice, but not very complete. Thanks. It does not solve the
problem that I have to remember at regular intervals to check
that those ip's still are used for dialups.

-- 
Med venlig hilsen / Regards 
Netdriftgruppen / Network Management Group
UNI-C          

Tlf./Phone   +45 35 87 89 41        Mail:  UNI-C                                
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E-mail: torben.fjerdingstad@localhost       DK-2800 Lyngby





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