VPN Tutorial

VPN stands for Virtual Private Network, a network that connects one or more computers to a large network, such as a business network, using the Internet. A VPN is encrypted and safe, so it’s widely adopted by many of businesses. VPN is a pretty complicate network protocol that we are not going to discuss more [...]

SSH, the Secure Shell, is a standard protocol that encrypts communications between your computer and a server. The encryption prevents these communications from being viewed or modified by network operators. SSH can be used for a wide variety of secure communications applications, where secure log-in to a server and secure file transfers (SCP or [...]

A VPN (or Virtual Private Network) is a technology that allows you to connect to a remote network from wherever you happen to be using the Internet. VPN is encrypted, so it’s safe, and once you are connected it’s exactly like physically being on the other network. Typical uses for a VPN are connecting multiple [...]

If you are using Mac OS X version 10.5, follow these steps:
1. First of all, open ‘System Preferences…’ then ‘Network’
2. Click on ‘+’
3. In the popup window, choose ‘VPN’ for Interface, and ‘PPTP’ for VPN Type.
4. Enter ‘My VPN Connect’ in ‘Service Name’ and click ‘Create’
5. Enter the Server Address : (get this from the [...]

1. Security for Hotspot Wireless Access Users
If you are using WiFi (802.11a,b.g) public hotspots then you are sending and receiving all of your traffic in “the clear”. It is penetrating walls, it is zooming across the street, and it is all readable plain text. Many hotels have sniffable wired networks. Go to a conference with [...]

PPTP
PPTP also known as Point-to-Point Tunneling Protocol. PPTP is a network protocol used in the implementation of Virtual Private Networks (VPN). RFC 2637 is the PPTP technical specification.
PPTP works on a client server model. PPTP clients are included by default in Microsoft Windows and also available for both Linux and Mac OS X. Newer VPN [...]