Subject: Re: ICMP attacks against TCP
To: Fernando Gont <email@example.com>
From: Mipam <firstname.lastname@example.org>
Date: 12/10/2004 12:42:36
> >NetBSD implements PMTUD, and a version of Dave Borman's syn-cache
> >code. Not sure what other TCP sequence-number checks you're refer to;
> >the Cisco-patented window-checks designed for attacks against BGP, or
> >something else?
> Not sure what you mean by "Cisco-patented window-checks". If you mean that
> of checking the TCP sequence number in the ICMP payload, then that's not
> patented by Cisco. I had received a notification from Cisco's lawyer when I
> published the first version of my draft, saying that they had a pending
> patent on it.
I guess he means this:
(statement by Robert Barr from Cisco about the license)
The draft itself is here:
Though, the page cannot be found now anymore ...???
I guess the ietf moved the page somewhere else, i can't find it now.