4. What’s VPN
Technology that creates a direct link
between remote computers in
private network over a public one.
carrier protocol
encapsulation protocol
passenger protocol
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5. Nour frikha & Becem Adid
Logical solution for remote access.
Secure communications.
Trylored to individuals.
Enhancing productivity.
Increase flexibility (anytime and anywhere
give employers to access).
Reduce costs of communications.
Thanks to VPN technology employers can
take their office and make flexible work
schedule.
What’s VPN
5
6. VPN function
Security
connect in
same private
network
access to the
information in
secure way
(remote
computers)
from any plce
in the word
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8. • Private traffic and safe
from hacker and sniffer
and other danger in
internet (virus or
pirates).
• Crypted and secure
communication
become anonymous
online.
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9. VPN
Because of geolocation block
connect ( video , news , search )
non available data
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11. VPN uses :
PPTP
PPTP (Point-to-Point
Tunneling Protocol) tunnel
protocol point-to-point is a
PPP encapsulation over IP
developed by Microsoft.
L2TP
Layer 2 Tunnelling Protocol is a
tunnelling protocol used to support
virtual private networks (VPNs) It
does not provide any encryption or
confidentiality by itself.
IPSEC
Internet Protocol Security (IPsec) allows
two or more hosts to communicate in a
secure manner by authenticating and
encrypting each IP packet of a
communication session
SSL(TLS)
Secure Sockets Layer (SSL) VPN is an
emerging technology that provides
remote-access VPN capability and allows
users from any Internet-enabled location
to launch a web browser to establish
remote-access VPN connections
VPNto provide security of data transfer from danger of internet
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private secure method where we can share bussiness communication but also have limations bcs this can be expensive and often
when the distance increase and employers were required to go the office to access to resources
