[32124] in North American Network Operators' Group
RE: Defeating DoS Attacks Through Accountability
daemon@ATHENA.MIT.EDU (Barry Raveendran Greene)
Sat Nov 11 16:51:39 2000
From: "Barry Raveendran Greene" <bgreene@cisco.com>
To: "Mark Mentovai" <mark-list@mentovai.com>,
"Mark Prior" <mrp@connect.com.au>
Cc: "Simon Lyall" <simon.lyall@ihug.co.nz>, <nanog@merit.edu>
Date: Sat, 11 Nov 2000 13:46:45 -0800
Message-ID: <017501c04c28$e31aa170$4f01a8c0@bgreenent2.cisco.com>
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Errors-To: owner-nanog-outgoing@merit.edu
> 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?
Barry
