APIPA (Automatic Private IP Addressing) automatically assigns an IP address in the range 169.254.x.x when a computer fails to receive one from a DHCP server. This allows limited local-network communication but no Internet access. IT professionals use APIPA detection to diagnose DHCP or connectivity issues quickly. Learn more: https://en.wikipedia.org/wiki/Link-local_address#Automatic_private_IP_addressing
Read MoreAPI
An API (Application Programming Interface) is a set of rules and protocols that allows different software applications to communicate with each other. It defines how requests and responses should be structured, enabling seamless interaction between systems, services, or devices. APIs can be web-based (REST, SOAP, GraphQL), operating system-level, or library-based, serving functions like data retrieval, […]
Read MoreActive Directory
Active Directory (AD) is Microsoft’s directory service used for managing and authenticating users, computers, and resources in a Windows network. It provides centralized authentication, authorization, and policy enforcement, allowing administrators to control access to files, applications, and network resources. AD is built on Lightweight Directory Access Protocol (LDAP) and integrates with Kerberos for secure authentication. […]
Read MoreAcronyms:
Definition Learn more: https://en.wikipedia.org/wiki/Acronyms_
Read MoreAAAA Record
An AAAA record (Quad-A record) is a DNS (Domain Name System) record that maps a domain name to an IPv6 address. It functions like an A record, but instead of an IPv4 address, it resolves the domain to an IPv6 address (128-bit address). Learn more: https://en.wikipedia.org/wiki/AAAA_Record
Read MoreAAA
AAA (Authentication, Authorization, and Accounting) defines how users are identified, granted permissions, and monitored across IT systems. Authentication verifies identity, authorization enforces access rights, and accounting records activities for auditing. MSPs apply AAA principles in firewalls, VPNs, and Active Directory environments to enhance security and compliance. Learn more: https://en.wikipedia.org/wiki/AAA_(computer_security)
Read MoreA record
An A record (Address Record) is a DNS (Domain Name System) record that maps a domain name to an IPv4 address. It allows users to access websites using easy-to-remember domain names instead of numerical IP addresses. Learn more: https://en.wikipedia.org/wiki/A_record
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