replace uname -a informational string

O. Hartmann ohartman at zedat.fu-berlin.de
Sat Oct 24 08:22:33 UTC 2015


Am Sat, 24 Oct 2015 01:09:55 -0700
perryh at pluto.rain.com (Perry Hutchison) schrieb:

> [restored the OP's Cc as requested in the initial post]
> 
> Erich Dollansky <erichsfreebsdlist at alogt.com> wrote:
> 
> > As somebody else has mentioned, changing the copyright notice in
> > the kernel would have a legal impact.  
> 
> As the System 5 settlement of some years ago emphasized, concealing
> the origin of the code is one of the very few things that may *not*
> legally be done under the BSD license.
> 
> Not that this should be at all a problem:  security that depends
> on such obscurities is worth very little against any but the most
> casual attacker.

Well, well, this gets now out of hands and I do not want to be bothered by this law
gibberish. I understand the importance of Copyright notes and the world should definitely
know that I/we are using FreeBSD as our platform and not a commerical UNIX or even Linux,
but there are some minor aspects I wish not to float around the world.

I do not want to hide the copyright notes. I simply want to hide the machine on which the
kernel and world has been built since this machine is in most security appliances not the
machine the binaries are running on! So I guess this is definitely something worth to
hide, since "uname(8)" reveals informations someone wants to hide.

Second, it is, for the impact of skript kiddies, somehow of use to hide the OS'
revision/version.

And by the way, in some areas within the structure of companies or government hiding such
informations is a feature that is explicitely or part of a catalogue of aspects to meet.
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