A list of the Simple Network Time Protocol (SNTP) time

udp port 123, which is used by the network time protocol and the simple network time protocol. The NIST client software can be configured to use this port, but does not use it by default. tcp port 13, which is used by the NIST client software by default and by other programs that use the "daytime" protocol. pool.ntp.org: How do I setup NTP to use the pool? net time /setsntp:"0.pool.ntp.org 1.pool.ntp.org 2.pool.ntp.org" The same can be achieved by, as administrator, right-clicking the clock in the taskbar, selecting 'Adjust Date/Time' and entering the server name in the 'Internet Time' tab. Meinberg made a port of the ntp daemon for windows. How to configure NTP and DST - Hikvision

sudo ufw allow 123/udp sudo ufw allow out 123/udp sudo ufw allow out 53 I've allowed UDP port 123 for both incoming and outgoing traffic to NTP work. Additionally I also needed to open TCP port 53 (DNS) for outgoing traffic since /etc/ntp.conf contains domain names of NTP servers. .

Windows Time service tools and settings | Microsoft Docs Windows Time follows the NTP specification, which requires the use of UDP port 123 for all time synchronization communication. This port is reserved by Windows Time and remains reserved at all times. Whenever the computer synchronizes its clock or provides time to another computer, that communication is performed on UDP port 123. TroubleshootingNTP < Support < NTP

NTP server package is provided by default from official CentOS /RHEL 7 repositories and can be …

However, you can filter on the well known NTP UDP port 123. Capture only the NTP based traffic: udp port 123; On many systems, you can say "udp port ntp" rather than "udp port 123". External links. Current RFC: RFC 5905 Network Time Protocol Version 4: Protocol and Algorithms Specification. Obsoleted RFCs: RFC 958 Network Time Protocol. RFC How to enable and configure NTP on a SonicWall UTM