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Now days, several software companies provide their employees with the flexibility of working from home as and when there is a need. This way, employees can maintain a better balance between their work life and personal life. However, while working from home, employees are needed to use a VPN (virtual private network) client for connecting with their company’s VPN servers. VPNs are useful for preventing company’s confidential communication from outsiders. “vpnc” is a software, that can be used to accomplish this, and can be downloaded from http://www.unix-ag.uni-kl.de/~massar/vpnc/. I am assuming that your company uses Cisco VPN servers, because “vpnc” is primary developed as a client for them. “vpnc” software implements IPsec (IP Security) based technology for providing VPN connections. The instructions, I am going to describe below, have been tested on Linux (Ubuntu and Fedora) machines. On Fedora, you can do “yum install vpnc”, and on Ubuntu, you can do “apt-get install vpnc” for installing “vpnc” on your machine, if you do not want to compile from “vpnc” source code. You must be logged in as a “root” user for installing software on your Linux machine. If you are not logged in as a root user, then you must have “sudo” permission to install “vpnc” software, and then commands will be “sudo yum install vpnc” on Fedora, and “sudo apt-get install vpnc” on Ubuntu.

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