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7/28/2019 Intro Ducci on VPN
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VPN:
Virtual Private Network
Presented By:
Gregg Dowdy
Liz FarrickerWhitney Mayoras
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Outline
Introductions
What is it?
Overview
Security/Tunneling
Advantages and Disadvantages Demonstration
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Introductions
Gregg BSG Student Developer
Unified Western Grocers Retail Technology
Specialist Liz
BSG Business Analyst
ResNet Network Technician
COB CRC: Tier 2/3 Support Technician Whitney
BSG Student Tester/Analyst
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VPN: What is it?
Virtual Private Network
Remote network communication through
Internet Used by companies/organizations who want
to communicate confidentially
Two parts: Protected or inside network
Outside network or segment (less trustworthy)
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VPN: Types
Secure VPNs use cryptographic
tunneling protocols.
IPsec, SSL/TLS, OpenVPN, PPTP, L2TP,L2TPv3, VPN-Q and MPVPN
Trusted VPNs rely on the security of a
single providers network to protect thetraffic.
MPLS and L2F
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VPN: Security
Encryption
IPSec
Authentication
User/System and Data
AAA Servers
(Authentication, Authorization, and Accounting)
Firewalls
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VPN: Tunneling
Requires 3 protocols
Carrier
Default network protocol
Passenger
Original data
Encapsulation GRE, IPSec, L2F, PPTP, L2TP
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VPN: Encapsulation
Figure 1
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VPN: Tunneling (cont.)
Two Basic types of tunneling
Site-to-Site
Typically uses GRE
Remote-Access
Typically uses PPP
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VPN: Advantages
Cost Effective
Greater scalability
Easy to add/remove users
Mobility
Security
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VPN: Disadvantages
Understanding of security issues
Unpredictable Internet traffic
Difficult to accommodate products
from different vendors
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VPN Demonstration
Click on Start
select Network
Connections
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VPN Demonstration
In Network
Connections on
the left hand side
there is a link to
Create NewConnection
click on this and a
wizard will pop up
assisting the user
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VPN Demonstration
Select
Connect to the
Network at my
Workplace
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VPN Demonstration
Select Virtual
Private
Network
Connection
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VPN Demonstration
Make a name for
this connection that
you are
establishing to
distinguish thisconnection from
other VPN
connections that
might already be
established
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VPN Demonstration
For this demonstration I
am trying to connect to
my wireless router off
campus therefore the IP
address that I insert isthe IP address for my
router which I can find
out by running an
ipconfig and it is the IP
address for your default
gateway
NOTE: Not all routers
will allow users to VPN
into it
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VPN Demonstration
Personal
preference as to
whether or not you
want other users to
be able to use this
VPN connection
on this computer
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VPN Demonstration
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VPN Demonstration
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VPN Demonstration
This is a profile
(username and
password) that has
already been created on
your router which can
be created by typing in
the IP address of your
router in a web browser
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VPN Demonstration
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VPN Demonstration
In Start Run insert the IPaddress of the computer that
you want to access that is
connected to the router
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VPN Demonstration
Using the same
username and password
already established for
the router you canconnect to this specific
computer
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VPN Demonstration
These are only the files that are shared on this computer
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How to Connect to OSU:
How to connect to OSU:
Dave Sullivan made a helpful Tutorial
First on the Engineering Website you have to downloadthe Cisco VPN Client
One must acquire authorization information prior tousing the VPN service
Once registration is complete you download theappropriate client depending on your operating system;and follow the steps to complete the connection
http://faculty.bus.oregonstate.edu/sullivan/it-support/remote-access.htmhttp://oregonstate.edu/net/security/vpn/http://oregonstate.edu/net/security/vpn/vpn_secure/reg-step1.phphttp://oregonstate.edu/net/security/vpn/vpn_secure/reg-step1.phphttp://oregonstate.edu/net/security/vpn/http://faculty.bus.oregonstate.edu/sullivan/it-support/remote-access.htm7/28/2019 Intro Ducci on VPN
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References
[Figure 1]
Mitchell, Bradley. "VPN Tutorial." About.Com. 2007. 8 Mar.
2007.
Tyson, Jeff. "How Virtual Private Networks Work." How StuffWorks. 6 Mar. 2007.
"Virtual Private Network." Wikipedia: the Free Encyclopedia. 6Mar. 2007. 9 Mar. 2007 .