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Date: Tue, 16 Sep 2014 15:10:31 +0100
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Subject: Re: FreeBSD Security Advisory FreeBSD-SA-14:19.tcp
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On 16/09/14 15:00, Xin Li wrote:
> By default RST has to be within the window if the connection is in
> ESTABLISHED state.  So in order to do that the attacker still need to
> guess or know the sequence number.

Thanks, I didn't know that;  that must be how a router or MITM attacker
is able to do that so easily.

Whereas, the attack described in this advisory could work blindly
against two remote endpoints.  I believe I understand now.

Regards,
-- 
Steven Chamberlain
steven@pyro.eu.org