CYB 230 Module Four Lab Worksheet finished
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Southern New Hampshire University *
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230
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Information Systems
Date
Feb 20, 2024
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docx
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Uploaded by ProfessorOxideSnake114
CYB 230 Module Four Lab Worksheet
Sabrina Wyman
Complete this worksheet by replacing the bracketed phrases in the Response column with the relevant information.
Lab: Working With Files
Prompt
Response
In the lab section “Using Chmod to Change Permissions,” Step 3
, insert your name at the command line below the output and include it in your
screenshot.
Prompt
Response
In the lab section “Setting Special Permissions,” Step 13
, insert your name at the command line below the output and include it in your screenshot.
Implementing the sticky bit on the directory can stop people from accidentally deleting files that they don’t own. How can this technique be used to implement the concept of least privilege, and how can it be used to assure file availability?
This technique can be used in many ways but one of the main ways is by keeping files safe from unauthorized users so they can not delete any files. Another thing is that it will also allow people to gain access to certain sensitive documents based on access that was granted to that user. Lab: Permissions, Users, and Groups in Linux
Prompt
Response
After completing the lab section “Adding Groups, Users, and Passwords,” repeat Steps 9 through 15
and add another user using your first name. Provide a screenshot of the cat
etc/passwd
command when you are done. After completing the lab section “Absolute Permission,” repeat the process using your first name as the text file. Provide a screenshot after Step 18
.
Note:
By default, some computer systems use the key sequence Ctrl+Alt+F1
to access a shortcut for other programs such as the Intel Graphics Control Panel. If this is the case, you will need to change the key sequence from the default to complete this step.
To exit the tty1 or tty2 window, use the key sequence Ctrl+Alt+F7
.
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Prompt
Response
Using the chmod
command, which commands would you use to set the
following permissions to a file called Answers.txt
? (Please provide the one line used at the command line for each bulleted item.)
User (read and write), group (execute) other (execute)
User (read, write, execute), group (read and execute) other (write and execute)
User (write), group (read) other (none)
Chmod 611 answers.txt
Chmod 753 answers.txt
chmod 240 answers.txt
Lab: Log Analysis
Prompt
Response
In the lab section “Examining Windows Event Logs, IIs Logs, and Scheduled Tasks,” Step 23
, add your name as the top line of the file and
then take a screenshot.
Prompt
Response
In the lab section “Examining Linux Log Files,” Step 38
, insert your name
at the command line below the output and include it in your screenshot.
What is the importance of maintaining clean log files that are well formatted?
The most important thing in maintaining clean log files is to always remember that you may have to review them at a later date so having clean logfiles can help troubleshoot various issues as well as identify security breaches.