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Date: Thu, 08 May 2008 15:06:56 -0400
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From: gnn@freebsd.org
To: kevin <hlwhyw@81890.net>
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Cc: freebsd-net@freebsd.org
Subject: Re: Change from BSDL to GPL
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At Mon, 05 May 2008 06:31:25 +0800,
kevin wrote:
> 
> Hi, all
> I want to port 4.4BSD-Lite's TCP/IP source code to my own OS kernel.
> My OS kernel is GPL licenced.
> Is it possible for me to modify 4.4BSD-Lite's source code and change its licence from 4.4BSD-Lite licence to GPL licence?
> 

Alas, the short answer is "Consult an IP lawyer."

Best,
George