- A type of hacker (Ddos) attack, which consists in using someone else's IP address in order to deceive the security system.
- A method used in some attacks. It consists in putting an incorrect address in the sender address (source address) field of an IP packet. It is used to hide the true address of the attacker, to send a response packet to the desired address, and for other purposes. The remote computer, having received a header with such an address, will send a response to this address, and not to the address of the cracker.
- ip, spoofing