Understanding Firewall and IDS Evasion Techniques

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In the context of firewall evasion, what is "tunneling over DNS"? a) Blocking DNS traffic b) Creating a secure tunnel for DNS requests and responses c) Disguising network traffic as DNS traffic d) Enhancing DNS resolution speed

c) Disguising network traffic as DNS traffic

What is "fragmentation" in the context of firewall evasion? a) Breaking network traffic into smaller pieces to bypass firewall rules b) Encrypting all network traffic c) Reducing network bandwidth to avoid detection d) Blocking network traffic at the firewall

a) Breaking network traffic into smaller pieces to bypass firewall rules

What does "evasion through fragmentation overlap" involve in firewall evasion? a) Combining network fragments to create a complete message b) Breaking network traffic into smaller pieces with overlapping content c) Encrypting all network traffic d) Increasing network bandwidth to avoid detection

b) Breaking network traffic into smaller pieces with overlapping content

What is "unicode encoding" commonly used for in firewall evasion? a) Enhancing network performance b) Bypassing firewall rules by encoding content in Unicode characters c) Encrypting network traffic d) Detecting intrusion attempts

b) Bypassing firewall rules by encoding content in Unicode characters

What is "URL encoding" used for in firewall evasion? a) Enhancing firewall performance b) Bypassing firewall rules by encoding special characters in URLs c) Blocking specific websites d) Increasing network bandwidth

b) Bypassing firewall rules by encoding special characters in URLs

In the context of firewall evasion, what is "protocol tunneling"? a) Encrypting network traffic b) Bypassing firewalls by encapsulating one protocol within another c) Blocking network traffic d) Conducting network reconnaissance

b) Bypassing firewalls by encapsulating one protocol within another

n firewall evasion, what does "evasion through encoding" involve? a) Encoding firewall rules to make them more effective b) Encoding network traffic to hide its true nature c) Blocking specific encoding algorithms d) Enhancing network performance

b) Encoding network traffic to hide its true nature

In the context of firewall evasion, what is "obfuscation"? a) Clear representation of network traffic b) Encoding network traffic to make it less clear or harder to analyze c) Blocking network traffic d) Encrypting network traffic

b) Encoding network traffic to make it less clear or harder to analyze

Which of the following is an example of a port-based firewall evasion technique? a) SQL injection b) HTTP tunneling c) MAC address filtering d) Cross-site scripting (XSS)

b) HTTP tunneling

Which evasion technique involves encoding malicious content to disguise it as harmless data? a) Port scanning b) Payload obfuscation c) Stateful inspection d) Intrusion detection

b) Payload obfuscation

What is the primary purpose of a firewall evasion technique? a) To make network traffic faster b) To bypass or circumvent firewall security measures c) To block legitimate network traffic d) To enhance intrusion detection capabilities

b) To bypass or circumvent firewall security measures

What is the primary purpose of "IP address spoofing" in firewall evasion? a) To block specific IP addresses b) To disguise the source of network traffic by using a fake IP address c) To improve network latency d) To increase network bandwidth

b) To disguise the source of network traffic by using a fake IP address

What is the purpose of "DNS tunneling" in firewall evasion? a) To speed up DNS resolution b) To disguise unauthorized network traffic within DNS requests and responses c) To block DNS traffic d) To encrypt DNS queries

b) To disguise unauthorized network traffic within DNS requests and responses

What is the primary purpose of "application layer evasion" in firewall evasion techniques? a) To block specific applications b) To hide malicious activities within legitimate application traffic c) To improve application performance d) To increase network latency

b) To hide malicious activities within legitimate application traffic

What is the primary goal of "HTTP parameter pollution" as a firewall evasion technique? a) To improve web application security b) To manipulate HTTP parameters to evade security checks c) To block HTTP traffic d) To encrypt all HTTP traffic

b) To manipulate HTTP parameters to evade security checks

What is the primary goal of "evasion through timing attacks" in firewall evasion? a) To improve network speed b) To manipulate network traffic timing to evade detection c) To block network traffic d) To perform DDoS attacks

b) To manipulate network traffic timing to evade detection

In the context of firewall evasion, what is "application layer tunneling"? a) Encrypting application data b) Creating a secure tunnel for application traffic c) Bypassing firewalls by encapsulating one application within another d) Blocking specific applications

c) Bypassing firewalls by encapsulating one application within another

What is the primary goal of "session splicing" as a firewall evasion technique? a) To terminate all network sessions b) To establish secure connections c) To combine multiple sessions into a single session to bypass firewall rules d) To block legitimate network traffic

c) To combine multiple sessions into a single session to bypass firewall rules

What is the primary objective of "protocol-level evasion" in firewall evasion techniques? a) To block specific network protocols b) To enhance network protocol performance c) To hide malicious activities by manipulating network protocol headers d) To improve network encryption

c) To hide malicious activities by manipulating network protocol headers

What is the primary purpose of "hex encoding" in firewall evasion? a) To encrypt network traffic b) To block specific hex values in network traffic c) To represent data as hexadecimal values to evade detection d) To improve network latency

c) To represent data as hexadecimal values to evade detection


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