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- In which of these attack scenarios is the attacker most powerful? Ciphertext only attacks Known plaintext attacks Chosen plaintext attack The attacker always has the same powerIL 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 XWhich encryption benchmark ensuresdata is not modified after it’s transmittedand before it’s received?
- Your colleague sent to you a message which is encrypted using a Playfair cipher, with key “ABABRDRCD” and the encrypted message which you received is “EC AK CK HD IA CV” what is your colleague message?DNS poisoning attacks need to use spoofed source IP addresses for the forged DNS responses sent to the victim recursive DNS server. True FalseWhich of the following provides the best (strongest form of) authentication? a. What a person has b. What a person knows O c. What a person is O d. What a person has and knows
- In Zigbee networks, which data fields are encrypted to ensure both the confidentiality and the integrity of the messages? Is/are there authentication performed on a particular data field or fields? Either before or after the actual encoding of the message, the message integrity code is created.MCQ: Which of the following is an example for user to host authentication? a. Encryption keys b. Digital certificate c. Username & Password d. Hash algorithmWhen web clients want access to protected resources on a web server, native authentication and authorization services must be shown. Do you have any more?
- Which of the following statements about Message Authentication Codes (MACs) is not correct? Choose all incorrect answers. MACs (on their own) provide confidentiality, integrity and authenticity OMACS can be constructed from block ciphers OMACS only work for fixed-length messages One has to be careful about replay attacks when using MACs as not all MAC constructions protect against themQ3 true or false The command that PPP uses to enable CHAP authentication is: ppp chap authentication#find all IP addresses for invalid logins, then see which IPs are also used for scanning def compareInvalidIPs(): return True 3. The getinvalidLogins() method should find all IP addresses that are used for both invalid logins AND are blocked by the firewall. To get the invalid logins, you should use the log/auth.log file. For compareInvalidIPs, you should first extract all gzipped versions of auth.log* (meaning auth.log, auth.log.0, auth.log.1, etc.) using the extractLogFiles() method that you implement. Similarly, you will extract all gzipped versions of ufw.log* using the extractLogFiles() method for firewall logs. You will then compare the IPs found in each version. Here is the output for my solution code when executing the if __name__=="__main__" code branch. Your output should be similar.
