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Verdich [7]
1 year ago
5

attackers typically use ack scans to get past a firewall or other filtering device. how does the process of an ack scan work to

determine whether or not a filtering device is in place?
Computers and Technology
1 answer:
bogdanovich [222]1 year ago
3 0

Attackers frequently use ACK scans to circumvent a firewall or other filtering tools. During a NULL scan, all packet flags are enabled. The most recent versions of Nessus Server and Client are compatible with Windows, Mac OS X, FreeBSD, and the vast majority of Linux variants.

<h3>What is ack scan ?</h3>
  • ACK scans are used to identify hosts or ports that have been blocked or are resistant to other types of scanning. An attacker uses TCP ACK segments to learn about firewall or ACL configuration.
  • Attackers probe our router or send unsolicited SYN, ACK, and FIN requests to specific UDP/TCP ports.
  • TCP ACK Scan sends an ACK message to the target port to determine whether or not it is filtered.
  • On unfiltered ports, a RST reply packet will be sent for both open and closed ports. Filtered ports will either generate no response or generate an ICMP reply packet with an unreachable destination.
  • The TCP ACK scanning technique attempts to determine whether a port is filtered by using packets with the ACK flag set.

To learn more about ask scan refer to:

brainly.com/question/13055134

#SPJ4

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3241004551 [841]

Answer: a. intrapersonal and short-term goals

Explanation:

Intrapersonal goals are those that we set for ourselves in our minds to accomplish. The students that are finishing their homework after school most probably set that goal in their minds and so meeting it would mean meeting their intrapersonal goals.

Homework is not a long term project but rather a short one that is usually meant to be completed within days. Completing it is therefore a short term goal.

The students who finish their homework after school are therefore accomplishing both their intrapersonal and short-term goals.

6 0
3 years ago
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How do you find the exterior angle measure of any regular polygon? (The degree in which to turn the turtle to draw a shape)
Diano4ka-milaya [45]

Answer:

360/number of sides

Explanation:

all the exterior angles add up to 360°

so to find each angle mesure, divide the 360 by the number of sides the figure has.

7 0
3 years ago
Thabo has a small barber shop and he uses Microsoft applications to keep track of his stock and to create posters for advertisin
kirza4 [7]

An information system is crucial to the success of a business. Itemized below are five benefits of operating an information system in a business.

<h3>What are the benefits of an Information System?</h3>

Information systems are important because:

  1. They help to increase and enhance operational efficiencies such as accounting, sales, inventory, and HR operations.
  2. They help to minimize costs. As the business makes more and more informed decisions, its costs will drop.
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  5. Information systems help to ensure business continuity.

<h3>What are the requirements for creating an information system?
</h3>

An information system requires the following:

  • Hardware for the computer workstation and addendums
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For the barber's shop, for example, some of the components of the information system he must put in place are:

A workstation that collects information about:

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Learn more about Information Systems at:

brainly.com/question/25226643

4 0
2 years ago
How to get fast frontend development online job as a beginner?​
mezya [45]

Answer:

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3 0
3 years ago
circular_prime A number is called a circular prime if all rotations of its digits form a prime. For example, the number 197 is a
Lilit [14]

Answer:

function out=circular_primes(no)

prim=primes(no);% find the all prime number till the given number

pr=0;

nos=[];

po=[];

for p=1:length(prim)

   n=prim(p); % picking up each prime no one by one

   n=num2str(n);% change into string for rotation of no

   d=length(n); % length of string

   if d>1          % take nos greater than 10 beacuase below 10 no need for rotation

       for h=1:d

           a=n(1);

           for r=1:d % for rotation right to left

               if r==d  5 % for the last element of string

                   n(d)=a;

               else

               n(r)=n(r+1); %shifting

               end

           end

           

       s=str2num(n); % string to number

       nos=[nos,s]; % store rotated elements in array

       end

       if nos(end)==no   %if given no is also a circular prime we need smaller

           break;

       end

       for gr=1:length(nos) % checking rotated nos are prime or not

           p1=isprime(nos(gr));

           po=[po,p1];    %storing logical result in array

       end

           if sum(po(:))==length(nos) %if all are prime the length and sum are must be equal

               

               pr=pr+1;

               out=pr;

           else

               out=pr;

           end

       po=[];

       nos=[];

   else  

       s=str2num(n); %numbers less than 10

       f=isprime(s);

       if f==1

           pr=pr+1;

           out=pr;

       else

           out=pr;

       end

   end

       

      end

end

Explanation:

3 0
3 years ago
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