UDP
NTP
What port 123 is used for
Time synchronization with NTP servers.
Security considerations
Open NTP services are used for amplification attacks — disable monlist.
Check if port 123 is open on any host:
Open Port Scanner →Time synchronization with NTP servers.
Open NTP services are used for amplification attacks — disable monlist.
Check if port 123 is open on any host:
Open Port Scanner →