Firewalking is a technique that can be used to gather information about a remote network protected by a firewall. This technique can be used effectively to perform information gathering attacks. In this technique, an attacker sends a crafted packet with a TTL value that is set to expire one hop past the firewall. Which of the following are pre-requisites for an attacker to conduct firewalking?
Each correct answer represents a complete solution. Choose all that apply.
Answer : A,B,D
Each correct answer represents a complete solution. Choose all that apply.
Answer : B,C
Which of the following OSI layers is responsible for protocol conversion, data encryption/decryption, and data compression?
Answer : B
You are responsible for security at a company that uses a lot of Web applications. You are most concerned about flaws in those applications allowing some attacker to get into your network. What method would be best for finding such flaws?
Answer : A