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Re: Spoofing and Internet Filtering

  • From: Robert Beverly
  • Date: Mon Mar 28 17:52:48 2005

On Thu, Feb 24, 2005 at 03:36:44PM -0500, Robert Beverly wrote:
> I'm working on a project designed to determine the extent of ingress and
> egress filtering on the Internet.  

For those that expressed interest, in the month since this original
email, I collected results from around 300 unique hosts on ~200 
netblocks and ~100 ASes.  Statistics on spoofing coverage, operating 
system blockage of raw sockets, NAT rewriting of spoofed headers, 
inconsistent filtering policies and more are summarized here:
  http://momo.lcs.mit.edu/spoofer/summary.php

Thanks to all for their help!

rob




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