6to4 A tunneling protocol that enables two nodes running both IPv4 and IPv6 across an IPv4 routing infrastructure to use a special address obtained by combining the prefix 2002::/16 with the 32-bit public IPv4 address to form a 48-bit prefix of the form 2002:wwxx:yyzz::/48 in the case of a public IPv4 address w.x.y.z. These nodes use this address type when communicating with each other.

Access control list (ACL) A list of users and groups that can access an object such as a file, folder, or printer and the type of access granted.

Account lockout A series of policy settings that locks a user out of an account after a predetermined number of incorrect attempts at entering a password has occurred. This increases security by foiling random ...

Get MCSA 70-410 Cert Guide: Installing and Configuring Windows Server 2012 R2 now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.