netdev - Re: [PATCH]: Add Network Sysrq Support

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Message-ID: <m2k4cd3mwo.fsf@firstfloor.org>
Date:	Wed, 22 Jun 2011 08:29:11 -0700
From:	Andi Kleen <andi@...stfloor.org>
To:	Prarit Bhargava <prarit@...hat.com>
Cc:	netdev@...r.kernel.org, davem@...emloft.net, agospoda@...hat.com,
	nhorman@...hat.com, lwoodman@...hat.com
Subject: Re: [PATCH]: Add Network Sysrq Support

Prarit Bhargava <prarit@...hat.com> writes:
>
> Note that the network sysrq automatically disables after the receipt of
> the ping, ie) it is single-shot mode.  If you want to use this again, you
> must complete the above four steps again.
 
Good idea, but: why not add a single key (e.g. a hash digest with 
the key hashed in) and make it reasonably secure?  
That should not be that hard and would make it a lot more useful.

It would not defend against all attacks, but probably make it
"LAN grade" at least.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only
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