whitelistingblacklisting
Whitelisting and blacklisting are terms used in computing and network security to describe methods of access control based on approved or prohibited lists. Whitelisting, also known as allowlisting, involves granting access only to entities that are explicitly permitted. This means that any program, email address, IP address, or user attempting to access a system or resource is denied by default unless it appears on a pre-approved list. The advantage of whitelisting is its high level of security, as it only allows known and trusted entities. However, it can be cumbersome to manage, requiring constant updates to the approved list as new legitimate entities need access.
Blacklisting, also known as denylisting, operates on the opposite principle. It involves prohibiting access to entities