EC-Council
EC0-350 · Question #177
An attacker is attempting to telnet into a corporation's system in the DMZ. The attacker doesn't want to get caught and is spoofing his IP address. After numerous tries he remains unsuccessful in…
The correct answer is C. He cannot spoof his IP and successfully use TCP. See the full explanation below for the reasoning.
Question
An attacker is attempting to telnet into a corporation's system in the DMZ. The attacker doesn't want to get caught and is spoofing his IP address. After numerous tries he remains unsuccessful in connecting to the system. The attacker rechecks that the target system is actually listening on Port 23 and he verifies it with both nmap and hping2. He is still unable to connect to the target system. What could be the reason?
Options
- AThe firewall is blocking port 23 to that system
- BHe needs to use an automated tool to telnet in
- CHe cannot spoof his IP and successfully use TCP
- DHe is attacking an operating system that does not reply to telnet even when open
How the community answered
(21 responses)- A5% (1)
- B10% (2)
- C81% (17)
- D5% (1)
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