DHCPv6
The DHCP version used to distribute parameters and optionally addresses on IPv6 networks.
View definitionIT Dictionary
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55matching definitions · 1,058 in the dictionary
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DID
A public number that can be directed directly to an extension or service.
View definitionDifferential Backup
A differential backup contains cumulative changes since its full-backup base and differs from an incremental backup.
View definitionDirect-to-Object Backup
Direct-to-object backup writes protected data directly to object storage without an intermediate disk repository.
View definitionDisk Encryption Policy Intune
An Intune disk encryption policy configures supported device encryption controls, including BitLocker settings.
View definitionDistribution List
A messaging group that redistributes a message to multiple recipients.
View definitionDKIM
A cryptographic signature added to the emails to verify their integrity and origin declared.
View definitionDKIM Selector
A selector DKIM identifies the public key DNS used to verify a signature DKIM.
View definitionDLP
A set of controls to prevent the leakage of sensitive data.
View definitionDMARC
A policy DNS which combines SPF and DKIM to combat the usurpation of email domains.
View definitionDMARC Alignment
Alignment DMARC checks that the domain visible in From corresponds to the domain authenticated by SPF or DKIM.
View definitionDNAT
A NAT translation that changes the destination address of an incoming packet.
View definitiondnf
A package manager used in particular on recent Fedora and RHEL.
View definitionDNS
Understand how DNS translates domain names into IP addresses, which records it uses, how caching works and the most common DNS issues.
View definitionDNS Filter FortiGate
A profile that filters requests DNS by category, reputation or domain.
View definitionDNS over HTTPS (DoH)
DNS over HTTPS (DoH) carries DNS queries between a client and its configured resolver over an encrypted HTTPS connection.
View definitionDNS over TLS (DoT)
DNS over TLS (DoT) encrypts DNS exchanges between a client and its resolver using a TLS connection, normally on TCP port 853.
View definitionDNS sinkhole
DNS sinkhole is a concept or mechanism used in cybersecurity to redirigate some malicious domains to a controlled target.
View definitionDNS SOA Record
SOA DNS is a concept or mechanism used in network & dns to describe the main parameters of an area DNS.
View definitionDNS64
A DNS service that synthesizes AAAA answers from A records for use with NAT64.
View definitionDNSSEC
A mechanism that allows the authenticity of certain answers to be verified cryptographically DNS.
View definitionDocker Compose
A tool that describes multiple containers, networks, and volumes in a declarative file.
View definitionDockerfile
A file containing instructions used to build a container image.
View definitionDomain Controller
The server that hosts Active Directory and authenticates users and computers of a Windows domain
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