From owner-freebsd-net@FreeBSD.ORG Sun May 4 13:56:51 2008 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 0493F1065676 for ; Sun, 4 May 2008 13:56:51 +0000 (UTC) (envelope-from hlwhyw@shtel.net.cn) Received: from mx1.81890.net (mx1.81890.net [210.74.224.39]) by mx1.freebsd.org (Postfix) with ESMTP id 5314C8FC0A for ; Sun, 4 May 2008 13:56:50 +0000 (UTC) (envelope-from hlwhyw@shtel.net.cn) Received: from [210.74.224.42] by [210.74.224.39] with StormMail ESMTP id 56504.1567993108; Sun, 4 May 2008 22:08:29 +0800 (CST) Received: from shtel.net.cn ([127.0.0.1]) by ims.shtel.net.cn (iPlanet Messaging Server 5.2 HotFix 1.21 (built Sep 8 2003)) with ESMTP id <0K0C0005NIYMRH@ims.shtel.net.cn> for freebsd-net@freebsd.org; Sun, 04 May 2008 21:32:46 +0800 (CST) Received: from [58.24.131.65] by ims.shtel.net.cn (mshttpd); Sun, 04 May 2008 21:32:46 +0800 Date: Sun, 04 May 2008 21:32:46 +0800 From: hlwhyw@shtel.net.cn To: freebsd-net@freebsd.org Message-id: <424543f9f5.3f9f542454@shtel.net.cn> MIME-version: 1.0 X-Mailer: iPlanet Messenger Express 5.2 HotFix 1.21 (built Sep 8 2003) Content-type: text/plain; charset=us-ascii Content-language: zh-CN Content-transfer-encoding: 7BIT Content-disposition: inline X-Accept-Language: zh-CN Priority: normal X-Mailman-Approved-At: Mon, 05 May 2008 16:23:13 +0000 Subject: Can I port 4.4BSD-Lite's TCP/IP protocol stack soure code to my own OS kernel which is GPL Licenced? X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 04 May 2008 13:56:51 -0000 Hi, all Can I port 4.4BSD-Lite's TCP/IP protocol stack soure code to my own OS kernel which is GPL Licence? I know that 4.4BSD-Lite is BSD Licenced. Is it legal to port BSD Licenced code and change it to GPL licence? Kevin Wu