North American Network Operators Group

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Spoofing and Internet Filtering

  • From: Robert Beverly
  • Date: Thu Feb 24 15:46:00 2005

Hi all,

I'm working on a project designed to determine the extent of ingress and
egress filtering on the Internet.  Specifically interested in the ability
to forge headers and source spoofed packets.  The project relies on
clients running an active measurement program from as wide a distribution
of netblocks as possible.  If you're curious about your connection,
your upstream or how prevalent filtering is on other's networks,
try out the source or one of the binaries from:

Many more details of the program, methodology and current results are 
on the web site as well.  Thanks!