The purpose of an Internet Protocol (IP) spoofing attack is to convince a system that it is communicating with a known entity. IP spoofing is a technique that involves creating and sending IP packets with a forged source IP address, which is usually the IP address of a trusted or authorized host. IP spoofing can be used for various malicious purposes, such as:
Bypassing IP-based access control lists (ACLs) or firewalls that filter traffic based on the source IP address.
Launching denial-of-service (DoS) or distributed denial-of-service (DDoS) attacks by flooding a target system with spoofed packets, or by reflecting or amplifying the traffic from intermediate systems.
Hijacking or intercepting a TCP session by predicting or guessing the sequence numbers and sending spoofed packets to the legitimate parties.
Gaining unauthorized access to a system or network by impersonating a trusted or authorized host and exploiting its privileges or credentials.
The purpose of IP spoofing is to convince a system that it is communicating with a known entity, because it allows the attacker to evade detection, avoid responsibility, and exploit trust relationships.
The other options are not the main purposes of IP spoofing, but rather the possible consequences or methods of IP spoofing. To send excessive amounts of data to a process, making it unpredictable is a possible consequence of IP spoofing, as it can cause a DoS or DDoS attack. To intercept network traffic without authorization is a possible method of IP spoofing, as it can be used to hijack or intercept a TCP session. To disguise the destination address from a target’s IP filtering devices is not a valid option, as IP spoofing involves forging the source address, not the destination address.
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