When running the command “sudo netdiscover -r 10.15.144.0/24” which of the results might be returned? Open ports on the systems Services running on the network Name and IP address on the network Vulnerabilities on the network
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When running the command “sudo netdiscover -r 10.15.144.0/24” which of the results might be returned?
Open ports on the systems
Services running on the network
Name and IP address on the network
Vulnerabilities on the network
Step by step
Solved in 1 steps
- When a client wishes to establish a connection to an object that is reachable only via a firewall, it must open a TCP connection to the appropriate SOCKS port on the SOCKS server system. Even if the client wishes to send UDP segments, first a TCP connection is opened. Moreover, UDP segments can be forwarded only as long as the TCP connection remains opened. Why?Which of these statements about firewalls is true? Malicious files can be kept out by a packet filter fence. Packet filter firewalls only let data packets in or out, but they never send input to the source. message filter blocker will look at every message that goes through it. The application layer can be checked by a packet filter blocker.Assume a web server can only receive TCP connections on port 80 (HTTP) and 22 (SSH), but not on any other ports. The web server can only establish connection to a database server hosted on private IP 192.168.100.100 on port 3000, but to no other machines inside or outside the network. Imagine this web server is running Linux, and we’re using iptables to define host-based firewall rules for it. Show the set of iptables commands to install necessary rules for this security policy.
- If you look at the docker-compose.yml file, you will find the following entries for the malicious router container. What are the purposes of these entries? Please change their value to 1, and launch the attack again. Please describe and explain your observation.There are events from different web server logs (see below). What can you tell about each row? What is happening in each row? What might be interesting in case of incident investigation? timestamp="09/Mar/2016:11:14:34 +0300" client_ip="73.9.84.166" user_agent="Debian APT-HTTP/1.3 (0.8.16~exp12ubuntu10.26)" url="/precise-security/stable/amd64/Packages.bz2"[09/Mar/2016:11:14:35 +0300] wiki-api.company-realm.ru 25.255.240.122 "GET /_api/frontend/.is_readonly?=&__uid=1120000000006167 HTTP/1.1" 200 "-" "-" "ivanovaa" "companyuid=5986251411438764783" - 717 0.022 0.022[09/Mar/2016:11:14:35 +0300] fml.company-realm.ru 202a:6b8:b010:2048:0:d0c0:5:12 "GET /rest/v2/call/collectPoolFromQueriesRatings/32b86116-e409-11e5-bdc7-0025909427cc?ticket=3201127 HTTP/1.1" 414 "-" "Apache CXF 3.0.4" "-"[09/Mar/2016:11:14:35 +0300] 127.0.0.1:443 127.0.0.1 "GET /ping HTTP/1.0" 200 "-" "KeepAliveClient" "-" "companyuid=-" - 273 0.146 0.146[09/Mar/2016:11:14:34 +0300] st.company-realm.ru 127.0.0.1 "GET…Write the command that would display IP address information for just the ens0p3 interface.
- Router5 is in rom mode, and there is an enable password on it which we don't know. Bring it back to boot in normally, set new enable password of 'cisco' and restore its configuration. IF the original configuration is restored, the router should be able to ping the others without any further configuration. If the interface (on Router5) are down (it will be red) after you restore, bring the interface up with 'no shutdown command' Wait until you see the messege "from loading to FULL, LOADING done" BEFORE TRYING TO TEST PING 0x2102 (boot normally) (default)0x2120 (rom mode)0x2142 (ignore nvram content) This is all ONE question, please answer full question.An attacker tries to do banner grabbing on a remote web server and executes the following command:$ nmap -sV hackme.com -p 80 He gets the following output:Starting Nmap 7.90 ( http://nmap.org ) at 2020-09-26 22:47 ESTNmap scan report for hackme.com (108.58.137.114)Host is up (0.048s latency).PORT STATE SERVICE VERSION80/tcp open http Apache httpdService detection performed. Please report any incorrect results at http://nmap.org/submit/.Nmap done: 1 IP address (1 host up) scanned in 7.36 seconds What did the hacker accomplish? nmap can’t retrieve the version number of any running remote service. The hacker successfully completed the banner grabbing. The hacker should have used nmap -O host.domain.com. The hacker failed to do banner grabbing as he didn’t get the version of the Apache web server.A new application will be deployed on EC2 instances in private subnets. The application will copy/write some sensitive data from/to an S3 bucket. Company compliance policy requires that the data must not traverse the public internet. Which solution meets the compliance requirement? A.Access the S3 bucket through an VPC end point for S3 B.Access the S3 bucket through a proxy server C.Access the S3 bucket through a NAT Gateway D.Access the S3 bucket through the SSL protected S3 internet endpoint
- QUESTION 21 It is possible for two UDP segments to be sent from the same socket with source port 5723 at a server to two different clients. True False QUESTION 22 The acronym API in this textbook stands for “Application programming interface”. True FalseHow would someone go about doing the following? A RedHat9 VM machine is hosted in a structure with the IP address: 10.11.19.12. There is an nweb service on port 7684. You will write an exploit to theintended target. Your exploit will be sent to the target machine and must return a shell to a controller machine at the IP address 10.11.19.11. You will be using a Kali Machines metasploit to do this.In a Linux System sudo tcpdump -vX -I lo port 514 echo “hello” | nc -4u -q1 127.0.0.1 514 Complete the following: (ix) In Wireshark what was the sender and destination IP? (x) What is the hash of the packet? (xi) What is the hash of the content (xii) Did the destination reply?