linux-kernel - Re: kernel.org status: establishing a PGP web of trust

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Message-ID: <4E8D1D0A.6020003@canonical.com>
Date:	Wed, 05 Oct 2011 20:14:18 -0700
From:	John Johansen <john.johansen@...onical.com>
To:	"H. Peter Anvin" <hpa@...or.com>
CC:	Ted Ts'o <tytso@....edu>, Josh Triplett <josh@...htriplett.org>,
	linux-kernel@...r.kernel.org, Jiri Kosina <jkosina@...e.cz>
Subject: Re: kernel.org status: establishing a PGP web of trust

On 10/03/2011 09:52 PM, H. Peter Anvin wrote:
> On 10/03/2011 09:49 PM, Ted Ts'o wrote:
>>
>> Note that if your laptop allows incoming ssh connections, and you
>> logged into master.kernel.org with ssh forwarding enabled, your laptop
>> may not be safe.  So be very, very careful before you assume that your
>> laptop is safe.  At least one kernel developer, after he got past the
>> belief, "surely I could have never had my machine be compromised",
>> looked carefully and found rootkits on his machines.
>>
>>        		     	   	       - Ted
> 
> By the way, I'm now pretty convinced that allowing inbound ssh on
> laptops (which is the default on all the mainline Linux distros as far
> as I know) is seriously broken... laptops get connected to *extremely*
> insecure networks on just way too regular a basis.
> 
I can't speak for the other distros but Ubuntu does not enable sshd by
default.  The openssh-server package or ssh meta package must be
installed before sshd will be run.
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