funsec mailing list archives

Re: How's this for fun?


From: John Payne <john () sackheads org>
Date: Thu, 27 Oct 2005 15:22:20 -0400


On Oct 27, 2005, at 3:10 PM, Larry Seltzer wrote:

One support call to whitelist against blocking means from at that point

onwards one more call and you're costing them money rather than making them
money.

Obviously that could be true for a while, but you do continue to pay them money and they will make up the difference before too long. You make it
sound like that one call is an ongoing obligation.

If the ISP churns through customers such that the expected lifetime of the account is on the order of a couple of years (I'm going from memory here), then the point is that you *don't* continue to pay them! ISP customer churn is higher than you might imagine for a number of reasons, the most obvious being incoming spam load too high: kill the account and move elsewhere.


And the cost issue could be greatly mitigated with an online configuration switch, secured with e-mail confirmations and stuff like that. (Obviously
you have to protect against a zombie operator setting the switch.)

Yes... but then you have to figure out what's most cost effective for the company at a whole. Remember that in the main, ISPs dealing with consumers have a TINY margin (if any at all - I suspect the cable operators are heavily subsidising the Internet access in return for being able to get TV, phone, etc $$$ out of their users)
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