encryption/encoding
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Consider the idea that cryptography is used to keep secrets: We expect a cipher to win each and every contest brought by anyone who wishes to expose secrets. We call those people opponents , but who are they really, and what can they do? In practice, we cannot know. Opponents operate in secret: We do not know their names, nor how many they are, nor where they work.
Ritter's Crypto Glossary and Dictionary of Technical Cryptography
For some reason, good cryptography is just much harder than it looks. This field seems to have a continuous flow of experts from other fields who offer cryptographic variations of ideas which are common in their other field. Now, there is nothing wrong with new ideas. But there are in fact many extremely intelligent and extremely well-educated people with wide-ranging scientific interests who are active in this field. It is very common to find that so-called "new" ideas have been previously addressed under another name or as a general concept.
Learning About Cryptography
Traditionally, data transferring methods involved workers to go to offices or branch offices to access the network resources. This was a limitation since it resulted in rise in cost as the distance between offices increased.
VPN remote access server, connection and software set up
How to setup a PPTP VPN server in your home or corporate office
(2) PPTP VPN uses TCP port 1723 (plus some nasty called GRE 47 protocol). Port 1723 is a standard well-know port used by Microsoft PPTP VPN clients/servers, hence it is unlikely that this port is blocked by wire-line ISPs. (However, wireless operators block VPN traffic unless you pay them an extra monthly ransom fee to have the VPN traffic unblocked).
If you work on the go fairly often, you've probably hopped on a public wireless network at least once or twice. You should have also figured out how to keep your data safe when you're on such a network, by taking precautions such as using your company's virtual private network, if available, or an encrypted web tunnel such as Hotspot Shield. If you don't have a company VPN and you don't want to deal with Hotspot Shield's banner ads, however, you can still secure your wireless traffic without breaking the bank by setting up your own VPN and gaining a private, encrypted Internet connection free from eavesdroppers.
How to set up a VPN - How-to - Techworld.com
This guide provides detailed information about how you can use five computers to create a test lab with which to configure and test virtual private network (VPN) remote access with the Microsoft® Windows® XP Professional operating system with Service Pack 2 (SP2) and the 32-bit versions of the Microsoft Windows Server™ 2003 operating system with Service Pack 1 (SP1). These instructions are designed to take you step-by-step through the configuration required for a Point-to-Point Tunneling Protocol (PPTP) connection, a Layer Two Tunneling Protocol (L2TP) with Internet Protocol security (L2TP/IPsec) connection, and a VPN connection that uses certificate-based Extensible Authentication Protocol-Transport Level Security (EAP-TLS) authentication. Note The following instructions are for configuring a test lab using a minimum number of computers. Individual computers are needed to separate the services provided on the network and to show the desired functionality clearly.
Step-by-Step Guide for Setting Up VPN-based Remote Access in a Test Lab
VPN Router tutorial with IPSec Client software
Technical Summary: This article will show how to setup a Broadband Router that has IPSec VPN capabilities for secure remote access to your home network from anywhere on the Internet.VPN Setup - How to Set Up a VPN
Virtual Private Networks (VPNs) are a more advanced form of computer networking, but setting up a VPN is not necessarily difficult. A VPN setup involves both server and client configuration.
NAT Firewall is not a VPN protocol, but a packet filter that blocks unrequested inbound traffic from reaching your device when using VyprVPN.
VyprVPN for Giganews Diamond Customers
Virtual Networking with LogMeIn Hamachi²
Quickly and easily dispatch virtual network client software to new computers remotely.