dnf
A package manager used in particular on recent Fedora and RHEL.
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IT Dictionary
Clear, technical definitions to understand IT terminology.
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DNS
The directory service that translates domain and host names into IP addresses.
View →DNS Filter FortiGate
A profile that filters requests DNS by category, reputation or domain.
View →DNS over HTTPS (DoH)
A method that encrypts requests DNS in a connection HTTPS.
View →DNS over TLS (DoT)
A method that calculates trade DNS using TLS.
View →DNS sinkhole
DNS sinkhole is a concept or mechanism used in cybersecurity to redirigate some malicious domains to a controlled target.
View →DNS SOA Record
SOA DNS is a concept or mechanism used in network & dns to describe the main parameters of an area DNS.
View →DNS64
A DNS service that synthesizes AAAA answers from A records for use with NAT64.
View →DNSSEC
A mechanism that allows the authenticity of certain answers to be verified cryptographically DNS.
View →Docker Compose
A tool that describes multiple containers, networks, and volumes in a declarative file.
View →Dockerfile
A file containing instructions used to build a container image.
View →Domain Controller
The server that hosts Active Directory and authenticates users and computers of a Windows domain.
View →Domain Functional Level
The Active Directory domain functional level, which defines available AD DS features and the minimum domain-controller version.
View →Domain Naming Master
The forest-wide FSMO role that controls adding and removing domains and directory partitions in the forest.
View →DoS Policy FortiGate
A rule of protection against certain abnormal network volumes or behaviors.
View →Double Extortion
A cybersecurity concept used to describe a threat, technique, control, or defensive process.
View →DRS
DRS automatically distributes or recommends the distribution of virtual machines among hosts.
View →DRS VMware
A VMware function that distributes VMs between hosts according to load and rules.
View →Dynamic ARP Inspection
Dynamic ARP Inspection is a concept or mechanism used in network & security to control responses ARP information DHCP Snooping.
View →Eager Zeroed Thick
A VMware disk format with all space allocated and initialized to zero at creation.
View →EAP-TLS
An 802.1X method using client and server certificates for mutual authentication.
View →eBPF
A Linux kernel technology that runs verified programs to observe or control selected system events.
View →ECC Memory
A hardware concept related to CPU, memory, or endpoint/server architecture.
View →ECMP
ECMP is a concept or mechanism used in network & routing to use multiple paths of equivalent cost.
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