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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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malfutka [58]

Answer:

// A optimized school method based C++ program to check  

// if a number is composite.  

#include <bits/stdc++.h>  

using namespace std;  

bool isComposite(int n)  

{  

// Corner cases  

if (n <= 1) return false;  

if (n <= 3) return false;  

// This is checked so that we can skip  

// middle five numbers in below loop  

if (n%2 == 0 || n%3 == 0) return true;  

for (int i=5; i*i<=n; i=i+6)  

 if (n%i == 0 || n%(i+2) == 0)  

 return true;  

return false;  

}  

// Driver Program to test above function  

int main()  

{  

isComposite(11)? cout << " true\n": cout << " false\n";  

isComposite(15)? cout << " true\n": cout << " false\n";  

return 0;  

}

Explanation:

3 0
3 years ago
Write code to assign the number of characters in the string rv to a variable num_chars.
kramer

Answer:

rv = "hello"

num_chars = len(rv)

print(num_chars)

Explanation:

*The code is in Python.

Initialize the string rv, in this example I set it to "hello"

Use the len() method to get the number of characters in the rv and set it to the num_chars

Print the num_chars

Note that the result will be 5 in this case, because <em>hello</em> consists of five characters

6 0
4 years ago
Which of the following is not a valid FICO Credit score?
kumpel [21]

Answer: C 475

Explanation:  These choices are A. 375, B. 276, and D. 575. so that wolde mean it would be C 475.

8 0
3 years ago
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What type of security solution provides a hardware platform for the storage and management of encryption keys?
shutvik [7]

The type of security solution provides a hardware platform for the storage and management of encryption keys exists hardware security modules .

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<h3>What are Hardware security modules?</h3>

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Hardware Security Modules (HSMs) exist in hardened, tamper-resistant hardware appliances that strengthen encryption techniques by developing keys, encrypting and decrypting data, and designing and demonstrating digital signatures.

A Hardware Security Module (HSM) exists as a hardware-based protection appliance that develops, stores, and protects cryptographic keys. Sterling Secure Proxy utilizes keys and certificates stored in its store or on an HSM.

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brainly.com/question/24118720

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7 0
2 years ago
Does You tube have a You tube channel? and does Netflix have to pay for their own account???
defon

I don't understand the You  tube part, but uh yeah???

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3 years ago
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