Business use of VNC

Michael F. March march "at" indirect.com
Fri, 15 Jun 2001 00:07:06 +0000


What if you modified the VNCserver but kept the 
client software intact.. Meaning the VNCserver
ran on your servers, modified, but the clients
are unmodified. 

Is the GLP being violated?

What is the scoop there?

Thanks.

<march>

----- Original Message ----- 
From: "Jonathan Morton" <chromi "at" cyberspace.org>
To: <vnc-list "at" uk.research.att.com>
Sent: Thursday, June 14, 2001 3:02 PM
Subject: Re: Business use of VNC


> > Say that someone wanted to make a business that used VNC as a tool to 
> > help determine what was wrong with a customers PC and fix the problem 
> > through VNC.  Say also that they charged a fee for this service.  For 
> > every customer that was brought aboard for this service, the customer 
> > would be given an executable of VNC and they were also given a link to 
> > download the source files of VNC from the businesses servers.  Would 
> > this business be violating the GNU license in any way, shape, or form?
> 
> Simple answer: no.
> 
> The text of the GPL states that you may redistribute GPL'ed software in 
> any form, provided you also provide an undertaking to also supply the 
> sourcecode for all GPL'ed software you distribute in other forms.  If 
> the source is not actually bundled with the executable, you must provide 
> an undertaking valid for 3 years to supply that sourcecode.  If you 
> believe your business FTP servers will be stable for that long, go for 
> it.
> 
> Charging for GPL'ed software is allowed, provided you don't restrict the 
> recipient from distributing the software in any way they see fit.  
> Charging for services rendered using or in respect of the software is 
> also allowed - Tridia support VNC packages which they build, enhance and 
> certify themselves, and Red Hat et al charge for "supported" versions of 
> their Linux distributions.
> 
> HTH,
> --------------------------------------------------------------
> from:     Jonathan "Chromatix" Morton
> mail:     chromi "at" cyberspace.org  (not for attachments)
> website:  http://www.chromatix.uklinux.net/vnc/
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