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Does anyone have DeVry SEC 450 iLab solu...
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Does anyone have DeVry SEC 450 iLab solutions?
SEC450_W2_iLab_Worksheet.docx

Student Name

Date

SEC450 Security Testing Lab Document
NOTE: Use Carriage Returns and Page Breaks as needed to prevent table contents
from extending across page boundaries.

Task 1 Verify Connectivity between Router and Hosts


In the CLI window for the ISP router, execute the commands to verify the settings on the
interfaces and display the routing table. Note: Use show ip interface brief to check the
interfaces.

Paste the Virtual CLI show ip interface brief and show ip route commands Here

Complete the table below based on the dynamic routes displayed in the routing table:
Routing protocol




Destination Network

Metric

Outbound Interface

Verify Connectivity between the ISP Router and the Dallas and Chicago Host and Server PCs
by pinging their IP addresses from the Virtual CLI.
Select the Task 1 commands in the Virtual CLI using the mouse. Click on the Copy
button. Use <Ctrl>V to paste the commands into your Lab Document.

Paste Virtual CLI Ping Commands Here

Task 2 - Flow Analysis Security Port Scans


Open the Permitted services links Public_Server->Dallas_Host and Public_Server>Dallas_Server. Note the TCP and UDP port numbers that are open. Use <Alt><PrtSc> to
capture the Public_Server->Dallas_Host and the Public_Server->Dallas_Server windows
and use <Ctrl>V to paste the two captured windows into the table cells below:

Paste the Public_Server->Dallas_Host Port Scan window Here

Paste the Public_Server->Dallas_Server Port Scan window Here

What are the UDP and TCP ports that are permitted in traffic from the Public_Server to the
Dallas_Host? What are the UDP and TCP ports that are permitted in traffic from the Public_Server
to the Dallas_Server?

Destination

UDP Ports Permitted

TCP Ports Permitted

Dallas_Host
Dallas_Server
Task 3 - Deny Upper TCP ports Public_Server->Dallas Server
Use the Dallas router Virtual CLI (as we did in Task 1) to define an extended ACL that will deny
all TCP services with port numbers above 255 from the Public Server to the Dallas Server while
allowing all other traffic. Apply the ACL to the outside (S0/1) interface of the Dallas router for all
inbound traffic. Execute a show running-config command to verify your configuration. Copy these
Virtual CLI commands and the command output into the table cell below:

Paste the Virtual CLI ACL Commands Here

Open the Permitted services links Public_Server->Dallas_Host and Public_Server>Dallas_Server. Note the TCP and UDP port numbers that are now open. Use <Alt><PrtSc> to
capture the Public_Server->Dallas_Host and the Public_Server->Dallas_Server windows
and use <Ctrl>V to paste the two captured windows into the table cells below:

Paste the Public_Server->Dallas_Host Port Scan window Here

Paste the Public_Server->Dallas_Server Port Scan window Here

What are the UDP and TCP ports that are now permitted in traffic from the Public_Server to the
Dallas_Host? What are the UDP and TCP ports that are permitted in traffic from the
Public_Server to the Dallas_Server?

Destination

UDP Ports Permitted

TCP Ports Permitted

Dallas_Host
Dallas_Server

Explain the differences between the UDP/TCP Ports tables before and after the ACL has been
applied. Explain what affect this ACL has on Security for the Dallas Server?

1
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