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

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Date:	Thu, 12 Dec 2013 02:23:17 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Christian Grothoff <grothoff@...tum.de>
Cc:	Andi Kleen <andi@...stfloor.org>,
	Stephen Hemminger <stephen@...workplumber.org>,
	David Miller <davem@...emloft.net>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, knock@...net.org, jacob@...elbaum.net
Subject: Re: [PATCH] TCP: add option for silent port knocking with
 integrity protection

> ... and then do the same for the first TCP packet with payload? And you

That gets passed through by the firewall rule.

> seriously would consider that "safer" or "less error prone", starting

Yes the risk of adding exploitable holes to the kernel is signficantly
lower.

-Andi
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