NTP 123

Configuration files

ntp.conf

Tools

ntptrace

Query to determine from where the NTP server updates its time and traces the chain of NTP servers from a source

ntpdc

Query the ntp Deamon about its current state and to request changes in the state

ntpdc -c monlist IP_ADDRESS
ntpdc -c sysinfo IP_ADDRESS

ntpq

Monitors NTP daemon ntpd operations and determine performance

Defend

• NTPSec
• IPTables
• logging