Alter that MSSQLscanner script to prompt the user for a starting and ending IP address and the port to search for. Then filter out all the IP addres where those ports are closed and display only those that are open.
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- Write the Get-Response Message as a reply to the following Get-Request Message based on the following table, then explain the relation between Request-ID in both messages and the reason for it. Community Public sysUpTime 4,567,000 udplnDatagrams 70,000 datagrams udpNoPortS 8,000 datagrams udplnErrors 200 datagrams udpOutDatagrams 20,000 datagrams noc1 > noc3 Community = public GetRequest Request ID = 456 system.sysUpTime.0 udp.udpInDatagrams.0 udp.udpNoPorts.0 udp.udpInErrors.0 udp.udpOutDatagrams.0A person's e-mail address is his or her login name @ the name of a DNS domain with an MX record. Login names can be first names, last names, initials, and all kinds of other names. Suppose that a large company decided too much e-mail was getting lost because people did not know the login name of the recipient. Is there a way for them to fix this problem without changing DNS? If so, give a proposal and explain how it works. If not, explain why it is impossible.You are required to access any 5 HTTP objects (among them at least one should be an html, image, video and pdf objects). You are required to capture the HTTP request messages and their corresponding HTTP response messages through Wireshark or any other sniffing tool. With reference to corresponding HTTP RFCs, explain each header line of both the HTTP request and response messages.
- A host is doing a DNS resolution for itself (it is running its own recursive DNS resolver). The host's resolver has already contacted two DNS resolvers and has cached their DNS responses for a query to "www.ucsd.edu". Given those responses are cached, what is the minimum number of DNS servers it will have to reach out to to resolve the domain name "courses.ucsd.edu"? a) 1 b) 2 c) 3 d) 0CSM Tech has a sizable web presence, with multiple publicly accessible web and application servers. All of your publicly available resources are served through DNS servers. However, after performing some data analysis on your public DNS servers, you discover that your servers are handling recursive lookups for customers outside of your business. Your public DNS servers should only accept recursive requests from internal clients, but iterative (nonrecursive) inquiries from external sources. What do you think? What commands are required to put the solution into action?The marks for the final exam have been shared with specific people on a web server. The files are accessible only by providing a defined username and password. Which of the following methods was used to share these files? a. The files were hashed using SHA-1 hashing algorithm b. The files are protected using digest HTTP-authentication c. The files were compressed and uploaded to the server d. The files were kept hidden on the server
- Consider a SunRPC client sending a request to a server. (a) Under what circumstances can the client be sure its request has executed exactly once? (b) Suppose we wished to add at-most-once semantics to SunRPC. What changes would have to be made? Explain why adding one or more fields to the existing headers would not be sufficient.Can you help me here ! I get this wrong in my PHP code when I open it in localhost. Fatal error: Uncaught mysqli_sql_exception: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond in C:\xampp\htdocs\labb4\moment3.php:18 Stack trace: #0 C:\xampp\htdocs\labb4\moment3.php(18): mysqli->__construct('studentmysql.mi...', 'arkh2000', 'qc18cg6j', 'arkh2000') #1 {main} thrown in C:\xampp\htdocs\labb4\moment3.php on line 18 The code is : <?php $page_title = "Moment 3 - Linneas Gästbok"; ?> <?php include("includes/header.php"); ?> <?php include("includes/mainmenu.php"); ?> <article class="mainContent"> <?php echo "<h1>$page_title</h1><br/>"; ?> <article class="guestbook-container"> <div class="left-flexbox"> <?php $db = new mysqli(DBHOST, DBUSER, DBPASS,…What exactly is a fork on the blockchain? Explain the difference between the two types of forks.
- 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 Frame y K/93 BRACU Web Frame x Server BRACU G/51 Router ISP Router I/91 Port 25 H/52 F/25 Hub-PT Hubo A/20 Switc-PT Switho Swich-P Syitch1 Enail Server J/92 B/21 E/24 C/22 D/23 Senderts Question 4 MYSQL/PHP Assume you have an ORDERS database stored in MYSQL server that contains the following tables with unknown number of rows: Table: customer_orders Table: order_Items Name Type Name Туре 1 ld Int(11) Id int(11) 2 username varchar(100) orderld int(11) 3 datetime datetime productid int(11) 4 status varcha 100) qty int(11) Note: ordered is a foreign key to an id in customer_orders Sample Data Table: customer_orders Table: order_items id username datetime status id orderld productid qty 1 falqaed 2021-11-04 00:00:00 Order Placed 11 2 1 2 noor 2021-11-04 00:00:00 Order Placed 3 1 3 4 2 5 2 6 2 Use the following connection.php by including it in your scripts, which connects you to MYSQL server and the database. ... setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);}Answer the given question with a proper explanation and step-by-step solution. Question 4 of 5 After the secret_docs.docx file has been exported, extract it and find the flag inside one of the .xml files. What is the flag? Question 5 of 5 Export all HTTP objects, and then run md5sum on the file 'show_ads.js'. What are the last five characters of this hash?