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 ?
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