3.3.2.7

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Greenville Technical College *

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110

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Information Systems

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Feb 20, 2024

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27

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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 GTC - CPT Dept Page 1 of 27 IST 110 Lab
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. GTC - CPT Dept Page 2 of 27 IST 110 Lab
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 Page 3 of 27 IST 110 Lab
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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”) GTC - CPT Dept Page 4 of 27 IST 110 Lab
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) GTC - CPT Dept Page 5 of 27 IST 110 Lab
GTC IST-110 PT Lab: Wireless Encryption WEP is limited to only the use of hexadecimal characters GTC - CPT Dept Page 6 of 27 IST 110 Lab
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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 GTC - CPT Dept Page 7 of 27 IST 110 Lab
GTC IST-110 PT Lab: Wireless Encryption Screenshot (below): Dave’s Laptop – “Link Information” tab (showing connection) GTC - CPT Dept Page 8 of 27 IST 110 Lab
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) GTC - CPT Dept Page 9 of 27 IST 110 Lab
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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. GTC - CPT Dept Page 10 of 27 IST 110 Lab
GTC IST-110 PT Lab: Wireless Encryption Screenshot (below): Wireless Router login (post username/password) GTC - CPT Dept Page 11 of 27 IST 110 Lab
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”) GTC - CPT Dept Page 12 of 27 IST 110 Lab
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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”) GTC - CPT Dept Page 13 of 27 IST 110 Lab
GTC IST-110 PT Lab: Wireless Encryption 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 GTC - CPT Dept Page 14 of 27 IST 110 Lab
GTC IST-110 PT Lab: Wireless Encryption Screenshot (below): Tim’s Laptop – “Link Information” tab (showing connection) GTC - CPT Dept Page 15 of 27 IST 110 Lab
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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) GTC - CPT Dept Page 16 of 27 IST 110 Lab
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. GTC - CPT Dept Page 17 of 27 IST 110 Lab
GTC IST-110 PT Lab: Wireless Encryption Screenshot (below): Wireless Router login (post username/password) GTC - CPT Dept Page 18 of 27 IST 110 Lab
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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”) GTC - CPT Dept Page 19 of 27 IST 110 Lab
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”) GTC - CPT Dept Page 20 of 27 IST 110 Lab
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 GTC - CPT Dept Page 21 of 27 IST 110 Lab
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GTC IST-110 PT Lab: Wireless Encryption GTC - CPT Dept Page 22 of 27 IST 110 Lab
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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 GTC - CPT Dept Page 23 of 27 IST 110 Lab
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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) GTC - CPT Dept Page 24 of 27 IST 110 Lab
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GTC IST-110 PT Lab: Wireless Encryption Screenshot (below): Bob’s PC – “Link Information” tab (showing connection) GTC - CPT Dept Page 25 of 27 IST 110 Lab
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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) GTC - CPT Dept Page 26 of 27 IST 110 Lab
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GTC IST-110 PT Lab: Wireless Encryption Each user may access the wireless network with their own unique credentials with WPA2 RADIUS GTC - CPT Dept Page 27 of 27 IST 110 Lab
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