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NTP

Master NTP operations

Build tiered stratum servers and verify accuracy across the fleet.

Default port
123
Protocol
UDP
Primary use
Network time synchronization

Why NTP matters

Accurate time underpins auth, logging, and distributed systems.

  • Immediate actions

    Peer with trusted sources and distribute time via internal stratum 1/2 hosts.

  • Operational guardrails

    Rate-limit responses and block monlist-style amplification attempts.

NTP port guide