In the context of computer security and networking, a whitelist is a list of approved or trusted items that are granted access to a particular system or network. It is essentially the opposite of a blacklist, which is a list of banned or untrusted items that are denied access. A whitelist can be used in various ways, depending on the particular security requirements of a system or network. For example, a website might use a whitelist to allow access only to certain IP addresses or to only spe...
