nanog mailing list archives

Re: Defeating DoS Attacks Through Accountability


From: Mark Prior <mrp () connect com au>
Date: Sun, 12 Nov 2000 15:49:50 +1030


     > I'll put it this way: filtering should be done against blocks that a
     > customer can announce, not against blocks that a customer is actively
     > announcing.  If you're filtering purely against current advertisements,
     > you're bound to break something sooner or later.

     Good theory. But what one public source do all the ISP agree to validate the
     authority to announce?

I can't ever see this problem being solved while legacy (swamp) space
exists and the organisations using it can just appear anywhere.

Mark.



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