netdev - Re: [bisected] Re: [bug] networking broke, ssh: connect to port 22: Protocol error

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Message-ID: <20080207114444.GA387@elte.hu>
Date:	Thu, 7 Feb 2008 12:44:44 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Casey Schaufler <casey@...aufler-ca.com>
Cc:	David Miller <davem@...emloft.net>, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [bisected] Re: [bug] networking broke, ssh: connect to port
	22: Protocol error


* Casey Schaufler <casey@...aufler-ca.com> wrote:

> > So unlike some other security modules like SELINUX, enabling SMACK 
> > breaks un-aware userspace and breaks TCP networking?
> > 
> > I dont think that's expected behavior - and i'd definitely like to 
> > enable SMACK in automated tests to check for regressions, etc.
> 
> As Stephen mentions later, Smack uses CIPSO. sshd does not like any IP 
> options because of traceroute, and must be built with that check 
> disabled with the current Smack version. I have been looking at using 
> unlabeled packets for the "ambient" label, it appears that doing so 
> would make life simpler. I will get right on it.

ok - feel free to send me any patches to test.

	Ingo
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