Problem
A. What was the issue with port 22 and why did nmap display "ssh?" in the version field?
B. What was the NSE script that displayed strings on ports 22 and 60000 in the detailed nmap scan? 0 Firefox browser warned us not proceed to Visiting the Cockpit Web Application https : U10 .O.2.4:909D/ and displayed the following error message: Warning: Potential Security Risk Answer questions 3 through 5 about this issue.
C. Why is this website was not trusted by Firefox?
D. What was the Error Code? And what does it mean?
E. Other than the digital signature. What else was suspicious about this certi?cate?
F. Why enum4 linux did not yield any useful information on victim #4?
G. What is Cgi-bin folder? What is used for and why it is not recommended to be used today?
H. Why did we choose to use command injection against http: H10 . O . 2 . 4 /Cgi-bin/traceroute . cgi and not for example: SQL injection or Cross site scripting?
I. How can we defend against command injection on http : H 10 . O . 2 . 4 /cgi-bin/traceroute . cgi?
J. Why did the cat command display a cat picture? What command can be used to change the function of a well-known Linux command? How can you restore that command functionality back?