Configure Manual IP address on your Linux Virtual Machine by modifying the network script file for the enp0s3 interface as follows: IPv4: 192.168.x.1 Netmask: 255.255.255.0 Gateway: 192.168.x.254 DNS: 192.168.x.1 X=the last 2 digits of your student ID. If the digits are 01 then use 101 or 02 use 102 etc. Capture the updated contents of the ifcfg-enp0s3 script file. Paste them in the following space: Display the history of commands in the terminal. Capture the screen and paste the output

Configure Manual IP address on your Linux Virtual Machine by modifying the network script file for the enp0s3 interface as follows: IPv4: 192.168.x.1 Netmask: 255.255.255.0 Gateway: 192.168.x.254 DNS: 192.168.x.1 X=the last 2 digits of your student ID. If the digits are 01 then use 101 or 02 use 102 etc. Capture the updated contents of the ifcfg-enp0s3 script file. Paste them in the following space: Display the history of commands in the terminal. Capture the screen and paste the output

LINUX+ AND LPIC-1 GDE.TO LINUX CERTIF.

5th Edition

ISBN:9781337569798

Author:ECKERT

Publisher:ECKERT

Chapter12: Network Configuration

Section: Chapter Questions

Problem 2DE

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IL PCAP Scanner alert udp any 61348 -> any any (content: "109 69 63 61 6e 68 61 7a 69 70 03 63 6f 6d 001; msg: "DNS Test"; Sid:1000001) Question Number 2 Scan The scan results for your snort rule will be displayed below. There is a problem with your rule. Check the alerts below to determine what went wrong and then try again. Something went wrong with your snort rule. Check the Syntax Syntax error please help! Create a rule to detect DNS requests to 'icanhazip', then test the rule with the scanner and submit the token. O X
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ents try You are planning trip to South America and and are worried about your devices with private keys being stolen. So you decide to store your bitcoins in an address that allows you to redeem them using only a password that you know. So, you send some bitcoins to the following ScriptPubKey: 33167ee681d8 is the SHA1 hash of your O
#find all IP addresses for invalid logins, then see which IPs are also used for scanning def compareInvalidIPs(): return True 3. The getinvalidLogins() method should find all IP addresses that are used for both invalid logins AND are blocked by the firewall. To get the invalid logins, you should use the log/auth.log file. For compareInvalidIPs, you should first extract all gzipped versions of auth.log* (meaning auth.log, auth.log.0, auth.log.1, etc.) using the extractLogFiles() method that you implement. Similarly, you will extract all gzipped versions of ufw.log* using the extractLogFiles() method for firewall logs. You will then compare the IPs found in each version. Here is the output for my solution code when executing the if __name__=="__main__" code branch. Your output should be similar.
You are managing an FTP server installed in Ubuntu Server. The server has created a very large log file, vsftpd.log. Which command is appropriate to search the log file for activity of the user charlie? sudo cat /var/log/vsftpd.log grep “charlie” /var/log/vsftpd.log sudo grep “charlie” /var/log/vsftpd.log cat /var/log/vsftpd.log
Linux Command Function ifconfig also: ifcfg, ifup, ifdown, ethtool, nm-tool /etc/init.d/networking restart ip link set down ip link set up The ifconfig command is a tool used to display and configure network interfaces. This command will display information about the network card, IP address, broadcast address, and network mask. It also shows how many packets were received and transmitted. There is also information about the loopback device (lo). ping The ping command allows the user to test whether or not a network connection is active, the speed of that connection, and how a network behaves given specific data loads. arpalso: arping The arp command by itself is used to view the information currently in the ARP table (Address Resolution Protocol). This table maps the IP address of machines on your network segment with their MAC address. hostnamealso: domainname, dnsdomainname The hostname command tells you what the hostname of your machine is set to. The…
Active sockets: Use the command netstat /? to explore the parameters that can be used with it. Then use netstat –n -a to display all current sockets (all connections and listening port). Choose one of the established connections and supply the following information: The server side normally has well-known port number, below 1024. What is the established protocol or service for the server port number you found above? (Search in Google for “port number list” or “well-known port numbers”)
2- Client is connecting a server via TCP to get an object from HTTP Server. Skitch the TCPwindow connection including (establishing connection, the request from client, the response byserver, sending data from server side and closing the connection).Knowing that:1- Get request from the HTTP 1.1 server is 259 bytes.2- Response from the server is 223 bytes.3- Data size requested is 900 bytes.
Q10: Complete the frames (x & y) given below with appropriate port, IP and MAC addresses. The sender Host E has two applications running; one for email with port number 49254 and the other for accessing the web server with port number 52167. The frame x is intended for the BRACU Web server and frame y is coming from the Email Server. (MAC addresses are alphabets and IP addresses are numbers) Port 80 BRACU Web Frame x Server A/20 B/21 Frame X D. Mac Frame Y D. Mac Switch-PT Switcho C/22 S. MAC S. MAC BRACU G/51, Router F/25 Frame y Switch-P Switch1 D/23 D. IP D. IP ISP Router 1/91 H/52 E/24 Sender S. IP S. IP Hub-PT Hubo D. Port D. Port K/93 Port 25 Email Server 3/92 S. Port S. Port Data Data Trailer Trailer
Penetration programming Modify the script so that it also works interactively. Specifically, if no hostname is given on the command line, the program should interactively ask for a hostname, starting port, and ending port with three separate prompts, and carry out its scan using those values. After scanning finishes, the program should loop to receive another set of values, stopping only when the user enters a blank host name. If this feature is implemented properly, it will also allow you to run the script in ’batch’ mode, by “piping in” a plain text file with the hostname on the first line, start port on the second, stop port on the third, and repeating for as many hosts as you wish to scan. For example, if a file named hosts_to_scan.txt contains a list of hosts and ports in the proper format, the program should now work as follows: cat hosts_to_scan.txt | ./portscanner.sh The timeout argument should still work in this case as well: cat hosts_to_scan.txt | ./portscanner.sh -t 3…
Datagram socket is the connectionless socket which uses FTP. Question 2 options: True False
Create a web server that Accepts and processes request messages submitted from browser, and Generates and sends response messages back to browser for display. Your web server must be able to handle URL with hostname and port Request message URL: 0.0.1:3000 Response message: “SUCCESS!” URL with hostname, port and path echo Request message URL: 0.0.1:3000/echo Response message: “SUCCESS! echo” URL with hostname, port, path foxtrot and route parameter value kilo Request message URL: 0.0.1:3000/foxtrot/kilo Response message: “SUCCESS! Received kilo via foxtrot” where the value kilo must be retrieved via the route parameter Invalid/unexpected URL Request message URL: 0.0.1:3000/<any other value> Response message: “FAILED! Fix your URL.” Hostname 127.0.0.1 can be replaced by localhost. Port number 3000 can be replaced by any other port number that is from 1024 (2^11) to 65535 (2^17 – 1) inclusive.