Port 123NTP

Network Time Protocol

Search port:123

About Port 123

NTP synchronizes clocks between computer systems over packet-switched networks. Accurate time synchronization is critical for logging, authentication, and distributed systems.

Security NotesNTP servers can be exploited for amplification DDoS attacks. Restrict NTP service to known clients and disable the monlist command.

Total Hosts

68.6K

TLS Encrypted

12.6%

Vulnerable Hosts

1.9K

Countries

10+