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.
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2. 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.
Step by step
Solved in 3 steps
- Shell Script # 5 - NetworkTest.sh Create a fifth script called (NetworkTest.sh). This script will have one subroutine. 1. The subroutine will check if the system is online (Connected to the internet). If the system is connected to the internet, then perform the following: Ping the loopback IP address. Ping the gateway with 8 packets each packet is 1KB. Query the Domain Name System to qu.edu.qa. Save the results in a file called /tmp/PINGRESULTS.TXT. ● ● Otherwise, perform the following: • Ping your local machine. ● Display IP configuration and Routing Table of your Machine. Store results in a file called /tmp/NETINFO.TXT Finally reboot the system automatically after 20 seconds.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…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
- The following program sets up a single client/server connection. When the client connects, the server reads any incoming data as text and prints it out one line at a time. If the server receives the string “shutdown”, then it closes the socket and exits. Download this program Download this program into GCC and run the code. Then update your code to allow for the server to manage concurrent connections on the same port. Use IP address 127.0.0.1. Page of 3 ZOOM /* Server code */ #define BUF_SIZE 1024 #define LISTEN_PORT 8080 int main(int argc, char *argv[]) { int sock_listen, sock_recv; int i, addr_size, bytes_received; int incoming_len; int recv_msg_size; struct sockaddr_in my_addr, recv_addr; int select_ret; fd_set readfds; struct timeval timeout={0,0}; struct sockaddr remote_addr; char buf[BUF_SIZE]; /* create socket for listening */ sock_listen = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP); if (sock_listen < 0) { printf("socket() failed\n"); exit(0); } /* make local address…When writing code that uses a "socket" library, to set up a TCP socket the value : must be used. To set up a UDP socket, the value • must be used. SOCK_DGRAM SOCK STREAM2- 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.
- I have a server code: import socket # Define the server address and port server_address = ('localhost', 12345) # Create a TCP socket server_sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) # Bind the socket to the server address server_sock.bind(server_address) # Listen for incoming connections server_sock.listen(1) while True: print('Waiting for a connection...') # Accept a client connection client_sock, client_address = server_sock.accept() print('Connected to:', client_address) try: # Receive data from the client data = client_sock.recv(1024) # Process the received data processed_data = data.swapcase() # Send the processed data back to the client client_sock.sendall(processed_data) finally: # Close the client socket client_sock.close() print('Connection closed.') break # Close the server socket server_sock.close() And the Client code: import…On a basic Linux server following services are required Assign a dynamic IP address to a client on interface eth0 Find out the path of the packet to the server on (172.16.10.19), put your system in promiscuous mode. Apply forsetgid and sticky permissions on /home/Ali/programming Rename file present on Desktop from “file.txt” to “newfile.txt” Find out the number of IP addresses used by google.com Display all user accounts and groups in a Ubuntu system Display all files in /opt/ starting with s and have a .txt extension.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”)
- Step 1: Write a script to find and print your local IP address Use the following code: import socket hostname = socket.gethostname() local_ip = socket.gethostbyname(hostname) print(local_ip) Step 2: Write a script to find and print your OS platform and release (for example, "Windows version 10") Use the following code: import platform print(platform.system ()) print(platform.release ()) Step 3: Write a script to find and print a "ping sweep"? Use the following code: import os my_ip="192.168.10.103" # sub your ip address os.system('ping -n 4 {}'.format(my_ip)) Step 4: Write a script to find and print current day and time import time now = time.localtime() print(time.strftime("%m/%d/%Y %I:%M:%S %p", now)) Extra Credit: Add code to Step#4 which prints a greeting, either "good morning", "good afternoon", "or good evening", depending on the current time.A company needs to address an issue with its external DNS servers that allows an attacker to perform a full zone transfer if the IP address of a server within the BIND servers ACL configuration is spoofed. A portion of the /ete/named.conf for a BIND server is as follows: */etc/named.conf # External DNS BIND Configuration, Company LLC acl slave-servers { 10.0.0.12; //na1.compa.ny 10.0.0.13; //ns2.compa.ny zone compa.ny { type master; tile "zonefiles/compa.ny"; allow-tranafer I slave-servers; In which of the following ways should the BIND server implementation be modified to BEST mitigate this insecurity? Change the ACL settings from IP to hostnames O B. Establish a persistent TLS VPN between the master and slave servers. OC. Place sensors to collect the DNS transaction logs and send them to the Enterprise SIEM OD. Implement transaction signatures.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