Presented by

Or Sereiparinha

Phan Chhunlong

VPN

Introduction

What is VPN?

∞ Virtual Private Network is a type of private network that uses public telecommunication, such as the Internet, instead of leased lines to communicate.

VPN & Non-VPN

Virtual Private Network

∞ Advantages of private and global internet

∞ Privatization is done by leased line

∞ Cost inefficient

Non - Private Network

∞ Completely isolated network from world

∞ Unsecured connection

∞ Costlier

How VPN Works ?

Tunneling

What is Tunnel?∞ VPN technology

∞ Maintaining a logical network connection

∞ The process of placing an entire packet

VPN Tunneling Protocol

∞ Point-to-Point Tunneling Protocol (PPTP)∞ Widely support among Window users

∞ PPTP is faster

∞ Layer Two Tunneling Protocol (L2TP)∞ Data integrity

∞ Developed by Microsoft and Cisco

∞ Internet Protocol Security (IPSec)∞ Multiple related protocols

∞ Complete VPN protocol solution

L2TP – PPTP - IPSec

Types of VPNs

∞ Remote access VPN∞ To establish secure connection

∞ Client software

∞ Intranet VPN∞ Link corporate headquarters remote offices

∞ Reduces WAN bandwidth & Connect new sites easily

∞ Extranet VPN∞ Link customer, suppliers, partner of interest to corporate intranet

Over a shared using dedicated connection

How it work ?

Firewall

∞ Firewall ?∞ Provides network security∞ Prevents attacks and secures your data

∞ Two approaches to using firewall with VPN server∞ VPN server in front of the firewall

∞ VPN server behind the firewall

Server in front

& behind firewall

Server in front

& behind firewall

mVPN

∞ What is mVPN?

∞ Mobile device with access to network resources and software application on their home network

Advantages & Disadvantages

Advantages

∞ Security

∞ Reliability

∞ Cost Saving

∞ Scalability

Disadvantages

∞ Security issues

∞ Solution relies on an ISP

∞ Product & Solution from different vendor, compatible due to issues with VPN technology standard

5mn Before Demo ?