网络安全课业代写 AST20203代写 Internet Security代写

AST20203 Internet Security

Tutorial 2

网络安全课业代写 Instructions: Student should submit this exercise by uploading your completed work (in MS Word format) to the Moodle under the

Instructions: 网络安全课业代写

Student should submit this exercise by uploading your completed work (in MS Word format) to the Moodle under the “Tutorial 2 Submission” link in the course site. The submission deadline is shown in Moodle.

Objectives:

To get familiar with the basic concepts in information security, and the basics of security scanning.

Tasks: 网络安全课业代写

1. Download and run the setup file of “Nmap Security Scanner” to install the programme from this link (https://nmap.org/dist/nmap-7.92-setup.exe). Nmap Security Scanner is a tool for discovering vulnerabilities in the network. You should use it with caution and make sure in legal way.

2. Targeting the UOWCHK website, perform “Reserved TCP ports Scanning” function of Nmap by entering the following command “nmap -v www.uowchk.edu.hk”

3.Perform the “Host Scanning” function of Nmap by entering the following command “nmap -sP xxx.xxx.xxx.*” (note: xxx.xxx.xxx is replaced by the first 3 octet of UOW web server, e.g. if IP address is 1.2.3.4, you should type “nmap -sP 1.2.3.*”)

4.Determine the number of hosts found in the “Host Scanning” result and list them out

5.

Choose any one of IP address obtained in step 4, perform the “OS Identification” function of Nmap by entering the following command “nmap -O xxx.xxx.xx.xxx” (note: xxx.xxx.xxx.xxx is replaced by any one IP address obtained in step 4)

6.Choose another IP address from step 4, perform the “OS Identification” function of Nmap by entering the following command “nmap -O xxx.xxx.xx.xxx” (note: xxx.xxx.xxx.xxx is replaced by another IP address obtained in step 4)

7.Perform the “Port Scanning” function of Nmap by entering the following command “nmap -A xxx.xxx.xxx.xxx” (note: xxx.xxx.xxx.xxx is replaced IP address of UOW web server)

8. 网络安全课业代写

Perform the “Port Scanning” function of Nmap by entering the following command “nmap –p80 xxx.xxx.xxx.*” (note: xxx.xxx.xxx is replaced by the first 3 parts of IP address of UOW web server)

9.Determine the number of hosts found with port 80 opened in the result and list them out

10. Refer to the link by nmap (http://nmap.org/book/man-port-scanning-basics.html), determine whether “closed” port or “filtered” port is better in terms of security with explanation.

11. For the steps 8 mentioned above, determine which step from the “Five Step of Attack” that we learn from the lecture is.

12. Determine which of the defence method(s) mentioned in the lecture can be applied to stop the attack mentioned in question 11 with explanation.

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