白名单是一种机制和许可列表,纳入白名单的实体被赋予一定的特权、服务许可和权限。白名单以外的实体则不拥有权限。许多信息技术领域(例如电子邮件筛检等)都会用到白名单机制[1]。
- ^ e.g. Kindle users control the whitelist for email access. Besides Amazon itself, only e-mail addresses whitelisted by the device's registered owner can send content ("personal documents") to that device.