Dec 02, 2016
Configure Internet Time (NTP) options in Windows 10 Internet Time (NTP) is a very useful way to keep your PC's time accurate automatically. Once configured, Windows will request time data periodically from time servers, so you can be sure that time and date on your device are set properly. Here is how it can be done. … How to Install and Configuring NTP on CentOS and Ubuntu Mar 16, 2020
What Is NTP? A Beginner's Guide to Network Time Protocol
The Simple Network Time Protocol (SNTP) port According to recommendations, the UDP port number assigned to both NTP and SNTP protocols is 123, which should be used in both the Source Port and Destination Port fields in the UDP datagram header. This parameter has got only informative value and cannot be modified. It activates/deactivates the SNTP Server functionality above mentioned. Port 123 (tcp/udp) - Online TCP UDP port finder - adminsub.net
Windows Time service tools and settings | Microsoft Docs
NTP and ACL issues - Cisco Community