linux-kernel - Re: [PATCH] TCP: add option for silent port knocking with integrity protection

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Message-ID: <CAPh34mc8eGqLyGrq1AH6AP5yBGnJgePkK03Ys-Zhw9cz9h3Y2g@mail.gmail.com>
Date:	Wed, 20 Aug 2014 11:28:21 +0200
From:	Hagen Paul Pfeifer <hagen@...u.net>
To:	Alexander Holler <holler@...oftware.de>
Cc:	Eric Dumazet <eric.dumazet@...il.com>,
	Christian Grothoff <grothoff@...tum.de>,
	Jacob Appelbaum <jacob@...elbaum.net>,
	Andi Kleen <andi@...stfloor.org>,
	Stephen Hemminger <stephen@...workplumber.org>,
	David Miller <davem@...emloft.net>,
	netdev <netdev@...r.kernel.org>, linux-kernel@...r.kernel.org,
	knock@...net.org
Subject: Re: [PATCH] TCP: add option for silent port knocking with integrity protection

On 20 August 2014 11:07, Alexander Holler <holler@...oftware.de> wrote:

> For sure it could be better, but I'm already happy with the current
> imperfect solution which I can use now and not some perfect solution which
> might be available in some years.

Alexander, to make it clear: we cannot include mechanisms which
probably open other (security) issues. This is not how things work
out. TCP had so many issues in the past - regarding security,
implementation f*ups, etc. pp. It is utterly important that there is
no problem with an extension. Please join the discussion ob tcpm if
you will drive things forward. That's all what I can say - sorry!
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