IP address forgery, also known as IP address spoofing
, or a host file hijack, is a hijacking technique in which a cracker masquerades as a trusted host to conceal his identity, spoof a website, hijack browsers, or gain access to a network.
A reflection DDoS attack is when forged requests are sent to a very large number of Internet-connected devices that reply to the requests that use IP address spoofing
, where the 'source' address is set to the IP address of the actual target of the attack, where all replies are sent.
In the case of system-to-system communications, this provides security against such hacker tactics as IP address spoofing
Blocks IP address spoofing
- prevents spoofing attacks
IP Source Guard (IPSG) can prevent IP address spoofing
, validate incoming packets, and drop whose IP addresses that are spoofed.