Re: Spoofing and Internet Filtering

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