|
gptkbp:instanceOf
|
gptkb:network_protocol
|
|
gptkbp:accuracy
|
microseconds on LAN
milliseconds over the Internet
|
|
gptkbp:category
|
gptkb:International_Standard
time protocol
|
|
gptkbp:defaultPort
|
123
|
|
gptkbp:developedBy
|
gptkb:David_L._Mills
|
|
gptkbp:features
|
gptkb:NTS_(Network_Time_Security)
authentication
|
|
gptkbp:firstReleased
|
1985
|
|
gptkbp:fullName
|
gptkb:Network_Time_Protocol
|
|
gptkbp:homeport
|
123
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
NTP
|
|
gptkbp:latestReleaseVersion
|
gptkb:NTPv4
|
|
gptkbp:license
|
various (depends on implementation)
|
|
gptkbp:openSource
|
gptkb:OpenNTPD
gptkb:chrony
gptkb:ntpd
|
|
gptkbp:operates
|
gptkb:Internet
private networks
|
|
gptkbp:operatingSystem
|
gptkb:Windows
gptkb:macOS
gptkb:Unix
gptkb:BSD
gptkb:Linux
|
|
gptkbp:purpose
|
clock synchronization
|
|
gptkbp:relatedStandard
|
gptkb:UTC
gptkb:Leap_seconds
gptkb:POSIX_time
|
|
gptkbp:RFC
|
gptkb:RFC_5905
|
|
gptkbp:securityExtension
|
gptkb:NTS
|
|
gptkbp:seeAlso
|
gptkb:PTP
gptkb:RFC_4330
gptkb:RFC_5905
gptkb:SNTP
|
|
gptkbp:supportsProtocol
|
gptkb:UDP
gptkb:SNTP
application layer
|
|
gptkbp:usedFor
|
synchronizing computer clocks
|
|
gptkbp:uses
|
client-server model
peer-to-peer model
round-trip delay calculation
stratum hierarchy
timestamps
|
|
gptkbp:vulnerableTo
|
man-in-the-middle attacks
amplification attacks
spoofing
|
|
gptkbp:website
|
https://www.ntp.org/
|
|
gptkbp:bfsParent
|
gptkb:IETF
gptkb:fire
|
|
gptkbp:bfsLayer
|
4
|