SYN spoofing

Greg A. Woods woods at
Wed Jul 28 17:31:51 UTC 1999

[ On Wednesday, July 28, 1999 at 11:21:35 (-0400), Daniel Senie wrote: ]
> Subject: Re: SYN spoofing
> I suspect most deployed routers do at least some filtering of packets on
> most or all interefaces. In the past, some routers couldn't do these
> lookups efficiently on source addresses, but that's really an
> implementation issue. It's *possible* to design hardware that can handle
> it, if there's a business case for doing so. ISPs should be interested
> in doing such filtering.

In fact it's easy to buy off-the-shelf hardware today that can do
wire-speed filtering, assuming one has worked such costs into the budget
of building a network backbone....

							Greg A. Woods

+1 416 218-0098      VE3TCP      <gwoods at>      <robohack!woods>
Planix, Inc. <woods at>; Secrets of the Weird <woods at>

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