NFS over CIPE-VPN tunnels    Monday, May 23 2005 @ 04:41 PM EDT Contributed by: glosser This tutorial explains how to use NFS over a VPN to share files securely between two Linux computers remotely. The Network File System (NFS) is a standard protocol for sharing file services with Linux and Unix computers. It is a distributed file system that enables local access to remote disks and file systems and is based on the clientserver architecture. Although easy to configure, it is typically used only to transfer data over an intranet or LAN because of its transparency and security potholes when exposed to the risks of the Internet. However, it still can be employed -- without compromising security -- to share files over the Internet by configuring it to run on a Virtual Private Network (VPN) connection. This article will show you how to set up NFS to run over a CIPE-VPN connection between two Linux systems. A VPN provides a way to set up a secure communication over an otherwise insecure network -- the Internet, for instance. A VPN usually offers authentication and encryption of the data being transferred. Crypto IP Encapsulation (CIPE) is one such VPN, which runs on the UDP protocol. CIPE uses a link key to authenticate the connection and provides a low-level encrypted tunnel from one machine to another, much like an IPSEC VPN. Let's assume that both of the Linux systems have an Internet connection. Each also have the CIPE and the nfs-utils packages installed on them, which are required for the connection to work. The latest CIPE package can be obtained easily in tarball form from: this site. The nfs-utils package comes bundled with almost all distros and can be installed from the installation CDs. From here on, we will refer the two Linux boxes as source and destination, where source machine will function as a NFS server and destination machine will act as a client. Full tutorial from NewsForge   [ Views: 1643 ]

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