Can a firewall block attacks using server scrips, such as the attack in which the user...
Can a firewall block attacks using server scrips, such as the attack in which the user could change a price in an item offered by an e-commerce site? Explain why or why not.
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Can a firewall block attacks using server scrips, such
as the attack in which the user...
Figure 1 LAN Subnet: 192.168.40.0124 LAN Switch Internet External Firewall Internal Firewall DMZ Subnet: 192.168.10.0/24 LAN devices Web Server running on port 80 IDS (Snort VM) Remote Access S...
Figure 1 LAN Subnet: 192.168.40.0124 LAN Switch Internet External Firewall Internal Firewall DMZ Subnet: 192.168.10.0/24 LAN devices Web Server running on port 80 IDS (Snort VM) Remote Access Server (Nginx VM) (OpenVPN) Overview Medium to large organisations typically consist of services that are accessed/consumed from external parties for various purposes. As such, a DMZ is a suitable solution to segregate such services from internal networkis). The network diagram provided (Figure 1) illustrates the IT environment of a medium organisation, which...
You are given the following "informal firewall policy" details to be implemented using the firewall topology...
You are given the following "informal firewall policy" details to be implemented using the firewall topology illustrated in slide # 22 (Chapter 9) Present the rules for the external and internal firewalll in a table format. a) Email may be sent using SMTP in both directions through the firewall, but it must be relayed via the DMZ mail gateway. External email must be destined for the DMZ mail server. b) Users inside may retrieve their e-mail from the DMZ mail...
For the following questions I would like you to discuss the particulars of each attack scenario...
For the following questions I would like you to discuss the particulars of each attack scenario and how Kerberos defends against it. You will need to consider various elements of the attack scenarios. Some attacks can be implemented between multiple Kerberos components. For example, a MITM attack could occur between various components at various times. State your assumptions about how the attack is occurring, then describe how Kerberos defends against it. Good answers will describe both the particulars of the...
Question 1 Which of the following statements about DoS attacks is correct? Select all that apply...
Question 1 Which of the following statements about DoS attacks is correct? Select all that apply only 2 answers are correct. 1. Source address spoofing is commonly used in DoS attacks to hide attacker's identity. 2. Ingress filtering on routers near the target system could be used as countermeasure against source address spoofing. 3. SYN spoofing attack aims at overloading the network capacity on the link to a server by generating a large number of SYN connection requests with forged...
Explain why knowing in which language the user is typing helps perform an eavesdropping attack based...
Explain why knowing in which language the user is typing helps perform an eavesdropping attack based on analyzing acoustic keyboard emissions.
Question 1 Which of the following statements about DDoS, reflector, and amplifier attacks is correct? Select...
Question 1 Which of the following statements about DDoS, reflector, and amplifier attacks is correct? Select all that apply only 3 answers are correct. 1. DDoS attacks often include a network of compromised systems to form a botnet. 2. In reflector attacks, intermediary systems are often chosen to be high-capacity servers to generate high volume of response packets. 3. Both reflector and amplifier attacks require intermediaries with a spoofed source address of the attacker's machine. 4. Common services used in...
When I want to create a website or application for e-commerce, the site for printing books...
When I want to create a website or application for e-commerce, the site for printing books or printing on clothes with the sale of printing tools. What is the appropriate software and hardware? Choosing Software The development of e-commerce required a great deal more interactive functionality, such as the ability to respond to user input (name and address forms), take customer orders for goods and services, clear credit card transactions on the fly, consult price and product databases, and even...
1.Identify what two benefit objectives you will measure for your electronic commerce site? Explain why you...
1.Identify what two benefit objectives you will measure for your electronic commerce site? Explain why you picked those two? Describe how will you measure them? 2. List and describe all the ways that payments can be made for electronic commerce. Include at least one advantage and disadvantage for each payment system. Use your textbook as a reference and also research this topic on the internet and find one option that your textbook doesn't cover. Your posting should be in your...
You are to create and apply a firewall rule set on your Ubuntu server and each...
You are to create and apply a firewall rule set on your Ubuntu server and each rule should be commented. Make sure to use variables for the IP addresses in your firewall. It's good practice and if I have to test one or more of your rules, I can replace the address in the variable. For any packets you REJECT or DENY, those should be logged. That means you'll need to modify the rule so that if the rule matches...
1. Let’s consider the network shown in Figure 1 where Snort is deployed. 1.1: In Figure...
1. Let’s consider the network shown in Figure 1 where Snort is
deployed.
1.1: In Figure 1, why is Snort deployed in the DMZ instead of
the Internal Network? (9 points)
1.2: In Figure 1, say True or False to the following statement:
“Snort can see both incoming packets from the left firewall and
outgoing packets from the right firewall”. (5 points)
1.3: In Figure 1, assume a packet P matches the following Snort
rule when the packet is analyzed...
Figure 1 LAN Subnet: 192.168.40.0124 LAN Switch Internet External Firewall Internal Firewall DMZ Subnet: 192.168.10.0/24 LAN devices Web Server running on port 80 IDS (Snort VM) Remote Access Server (Nginx VM) (OpenVPN) Overview Medium to large organisations typically consist of services that are accessed/consumed from external parties for various purposes. As such, a DMZ is a suitable solution to segregate such services from internal networkis). The network diagram provided (Figure 1) illustrates the IT environment of a medium organisation, which...
You are given the following "informal firewall policy" details to be implemented using the firewall topology illustrated in slide # 22 (Chapter 9) Present the rules for the external and internal firewalll in a table format. a) Email may be sent using SMTP in both directions through the firewall, but it must be relayed via the DMZ mail gateway. External email must be destined for the DMZ mail server. b) Users inside may retrieve their e-mail from the DMZ mail...
1. Let’s consider the network shown in Figure 1 where Snort is
deployed.
1.1: In Figure 1, why is Snort deployed in the DMZ instead of
the Internal Network? (9 points)
1.2: In Figure 1, say True or False to the following statement:
“Snort can see both incoming packets from the left firewall and
outgoing packets from the right firewall”. (5 points)
1.3: In Figure 1, assume a packet P matches the following Snort
rule when the packet is analyzed...
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