MendozaGuerrero_L_3.3.2.7
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Greenville Technical College *
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Course
110
Subject
Information Systems
Date
Feb 20, 2024
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GTC IST-110 PT Lab: Wireless Encryption
Addressing Table
Device
Private IP
Address
Public IP Address
Subnet Mask
Site
NTP / AAA server
10.44.1.252
209.165.201.5
255.255.255.0
Metropolis Bank HQ
Objectives
Configure WEP for Healthcare at Home
Configure WPA2 PSK for Gotham Healthcare Branch
Configure WPA2 RADIUS for Metropolis Bank HQ
Background / Scenario
In this activity, you will configure Wi-Fi networks for all three geographic sites. This activity will utilize WEP, WPA2 PSK, and WPA2 RADIUS to demonstrate the varying configuration of Wi-Fi networks and their security considerations. Healthcare at Home will be setup using WEP. Gotham Healthcare Branch will be configured with WPA2 PSK and Metropolis Bank HQ will be using WPA2 Radius. The IP addressing, network configuration, and service configurations are already complete. You will use the wireless routers and client devices in the differing geographic regions to setup multiple secure wireless networks.
Screenshots (Output)
For screenshots (snips) make sure to include enough to determine proper source and/or target devices. This could be via including the name of the PC/Device, the hostname of the networking device (Router or switch) or ipconfig output
Refer to the PDF in Blackboard Menu: Labs > “Screenshot Capture for Labs and Assignments” > “Labs – Screenshots” > IST_110_Lab_PT_Screen_Outputs.pdf
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GTC IST-110 PT Lab: Wireless Encryption
Part 1:
Configure WEP for Healthcare at Home
Step 1:
Setup the Wireless SSID.
a.
Click the Healthcare at Home site and click PC0
.
b.
Select Desktop tab. Click Command Prompt. At the prompt, enter ipconfig.
Note: If the gateway = 0.0.0.0 give the simulator 30 second and enter the command a second time.
c.
Navigate to the Web Browser and enter the IP address for the default gateway. Enter admin
as the username and password when prompted. Click OK.
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GTC IST-110 PT Lab: Wireless Encryption
Screenshot (below): Wireless Router login (post username/password)
d.
The Wireless Router is the default gateway for this network. Click Wireless tab.
e.
Change the SSID from DefaultWIFI
to Home
.
f.
Set the SSID to Broadcast.
g.
Click Save Settings (you may need to scroll down) GTC - CPT Dept
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GTC IST-110 PT Lab: Wireless Encryption
Screenshot (below): Saved Settings (Wireless Tab) Note: show pertinent rows settings (not the “Save button”)
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GTC IST-110 PT Lab: Wireless Encryption
Step 2:
Setup Wireless Security.
a.
Within the Wireless Router, click Wireless > Wireless Security.
b.
Click the drop-down menu and set the Security Mode to WEP.
c.
Keep the encryption option set to 40/64-bits and enter the key 0123456789
as Key 1.
d.
Click Save Settings.
Screenshot (below): Saved Settings (Wireless > Wireless Security Tab) Note: show pertinent rows settings (not the “Save button”)
e.
WEP and the key 0123456789 are not secure. Why is WEP not recommended for use in securing wireless networks? (2-3 sentences minimally)
WEP is not a good way to protect WiFi networks because it doesn't have key
management and uses weak encryption keys. This leaves it open to a number of security holes that make it easy for attackers to get into. Also, GTC - CPT Dept
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GTC IST-110 PT Lab: Wireless Encryption
technological progress has made WEP useless, and safer options like WPA2
and WPA3 are now easily accessible.
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GTC IST-110 PT Lab: Wireless Encryption
Step 3:
Connect the Clients.
a.
Within the Healthcare at Home site, click Dave’s Laptop.
b.
Click the Desktop tab and click PC Wireless.
c.
Click the Connect tab and click Refresh.
d.
Select the Wireless Network Name of Home and click Connect.
e.
Enter the key 0123456789
as WEP Key 1 and click Connect.
f.
Click on the “Link Information” tab
Screenshot (below): Dave’s Laptop – “Link Information” tab (showing connection)
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GTC IST-110 PT Lab: Wireless Encryption
g.
Repeat steps a - f for Mary’s Laptop.
Screenshot (below): Mary’s Laptop – “Link Information” tab (showing connection)
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GTC IST-110 PT Lab: Wireless Encryption
Part 2:
Configure WPA2 PSK for Gotham Healthcare Branch
Step 1:
Setup the Wireless SSID.
a.
Click the Gotham Healthcare Branch site and click PC1
.
b.
Select Desktop tab. Click Command Prompt. At the prompt, enter ipconfig.
c.
Record the IP address for the default gateway:
10.44.2.1
d.
Navigate to the Web Browser and enter the IP address for the default gateway. Enter
admin
as the username and password when prompted. Click OK.
Screenshot (below): Wireless Router login (post username/password)
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GTC IST-110 PT Lab: Wireless Encryption
e.
Click Wireless tab.
f.
Change the SSID from DefaultWIFI
to BranchSite
.
g.
Change the Standard Channel to 6 – 2.437GHz
.
h.
Set the SSID to Broadcast.
i.
Click Save Settings. Screenshot (below): Saved Settings (Wireless Tab) Note: show pertinent rows settings (not the “Save button”)
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GTC IST-110 PT Lab: Wireless Encryption
Step 2:
Setup Wireless Security.
a.
Within the wireless router, click on Wireless > Wireless Security.
b.
Click the drop-down menu and set the Security Mode to WPA2 Personal
.
c.
Keep the encryption option set to AES
and enter the passphrase ciscosecure
d.
Click Save Settings. Screenshot (below): Saved Settings (Wireless > Wireless Security Tab) Note: show pertinent rows settings (not the “Save button”)
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Step 3:
Connect the Clients.
a.
Within the Gotham Healthcare Branch site, click Tim’s computer.
b.
Click the Desktop tab and click on PC Wireless.
c.
Click the Connect tab and click Refresh.
d.
Select the Wireless Network Name of BranchSite
and click the Connect.
e.
Enter the Pre-shared Key ciscosecure
and click Connect.
f.
Click on the “Link Information” tab
Screenshot (below): Tim’s Laptop – “Link Information” tab (showing connection)
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GTC IST-110 PT Lab: Wireless Encryption
g.
Repeat steps a - f for Mike’s computer.
Screenshot (below): Mike’s Laptop – “Link Information” tab (showing connection)
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GTC IST-110 PT Lab: Wireless Encryption
Part 3:
Configure WPA2 RADIUS for Metropolis Bank HQ
Step 1:
Setup the Wireless SSID.
a.
Click the Metropolis Bank HQ site and click Sally
.
b.
Navigate to the Web Browser and enter the IP address for the wireless router (
10.44.1.251
). Enter admin
as the username and password when prompted. Click OK.
Screenshot (below): Wireless Router login (post username/password)
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GTC IST-110 PT Lab: Wireless Encryption
c.
Click the Wireless tab. d.
Change the SSID from DefaultWIFI to HQ.
e.
Change the Standard Channel to 11 – 2.462GHz
.
f.
Set the SSID to Broadcast.
g.
Click Save Settings.
Screenshot (below): Saved Settings (Wireless Tab) Note: show pertinent rows settings (not the “Save button”)
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GTC IST-110 PT Lab: Wireless Encryption
Step 2:
Setup Wireless Security.
a.
Within the Wireless Router, click on Wireless > Wireless Security.
b.
Click the drop-down menu and set the Security Mode to WPA2-Enterprise
.
c.
Keep the encryption option set to AES
and enter the following RADIUS server credentials:
RADIUS SERVER IP: 10.44.1.252
Shared Secret: ciscosecure
d.
Click Save Settings.
Screenshot (below): Saved Settings (Wireless > Wireless Security Tab) Note: show pertinent rows settings (not the “Save button”)
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GTC IST-110 PT Lab: Wireless Encryption
Step 3:
Configure the RADIUS server.
a.
Within the Metropolis Bank HQ site, click the NTP/AAA
server.
b.
Click the Services tab and click on AAA
.
c.
Enter the following information in Network Configuration:
Client Name: ....
HQ
Client IP: ..........
10.44.1.251
Secret: .............
ciscosecure
ServerType: .....
Radius
d.
Click Add.
Screenshot (below): AAA Services Tab with Network Configuration setup complete
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GTC IST-110 PT Lab: Wireless Encryption
e.
Enter the following information in User Setup and click Add to add the new username:
Username: bob
Password: secretninjabob
Username: phil
Password: philwashere
Screenshot (below): AAA Services Tab with additional user setup complete
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GTC IST-110 PT Lab: Wireless Encryption
Step 4:
Connect the Clients.
a.
Within the Metropolis Bank HQ site, click Bob’s computer.
b.
Click the Desktop tab and click on PC Wireless.
c.
Click the Profiles tab and click New.
d.
Name the Profile RADIUS and click OK.
e.
Click Advanced Setup
.
f.
Enter the Wireless Network Name HQ
and click Next.
g.
Do not modify the Network Settings and click Next.
h.
Change the Wireless Security drop down menu to WPA2-Enterprise and click Next.
i.
Enter the login name of bob
and the password of secretninjabob
and click Next.
j.
Click Save and then Connect to Network. Return to the Profiles Screen
k.
Bob’s computer will connect automatically. (Note: this may take a few seconds)
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Screenshot (below): Bob’s PC – “Link Information” tab (showing connection)
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GTC IST-110 PT Lab: Wireless Encryption
l.
Repeat steps a-j for Phil’s
laptop using the authentication information from Step 3e.
Screenshot (below): Phil’s Laptop – “Link Information” tab (showing connection)
m.
When considering a large organization, why is WPA2 RADIUS more beneficial than WPA2 PSK? (2-3 sentences minimally)
WPA2 RADIUS is better for large businesses because it allows for controlled
authentication and access control, gives each user their own unique credentials, makes security and accountability management better, and is scalable, which makes it easy to manage access for many users on many devices and in many places.
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