To take advantage of new features, security updates and bug fixes, TimeTools recommends that customers regularly check that their T-Series network time servers firmware is up to date. New firmware updates are announced on Twitter at https://twitter.com/timetoolsuk Related Documents T1310-02 T-Series NTP Network Time Server Firmware Update Procedure T1320-02 T-Series Firmware Releases Binary Firmware Update […]
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GPS Week Number Rollover
On 6 April 2019 there will be a Global Positioning System (GPS) week number (WN) rollover on Coordinated Universal Time derived from GPS receivers and devices. The GPS system stores the current week number as a 10-bit number. Therefore, every 1024 weeks, the week number rolls over to zero. The start date for the week […]
Simple Steps to Improve NTP Server Security
There are a number of simple steps that can be carried out to improve the security of a NTP server. 1. Change Default Password The NTP appliance is provided with a default password. This should be changed as soon as possible to a complex string of characters. Passwords should be kept secret and only […]
Generating Your Own SSL Certificates
SR and SC Series NTP Servers Help and Support: Generating Your Own SSL Certificates Models that this article applies to: SR Series: SR9210, SR9750, SR9850, SR9860D SC Series: SC9205, SC9705 Summary How to generate and create a self-signed Secure Sockets Layer (SSL) certificate for the SR and SC series NTP servers. Tips There are a […]
Initial Configuration without a DHCP Server
SR and SC Series NTP Servers Help and Support: Initial Configuration without a DHCP Server Models that this article applies to: SR Series: SR7110, SR9210, SR9750, SR9850, SR9860D SC Series: SC7105, SC9205, SC9705 Summary How to initially configure the SR and SC series NTP servers when no DHCP server is present on the network. Tips […]
Adding a Static Route
SR and SC Series NTP Servers Help and Support: Adding a Static Route Models that this article applies to: SR Series: SR7110, SR9210, SR9750, SR9850, SR9860D SC Series: SC7105, SC9205, SC9705 Summary On occasions, your network configuration may require you to add static routes to the NTP time servers routing table. This can be easily […]
Incorrect or ‘Bad’ Time on Power-Up
SR and SC Series NTP Servers Help and Support: Incorrect or ‘Bad’ Time on Power-Up Models that this article applies to: SR Series: SR7110, SR9210, SR9750, SR9850, SR9860D SC Series: SC7105, SC9205, SC9705 Summary When the time server is powered up, an incorrect time is displayed on the LCD display. GPS or LF ‘Bad’ is […]
Network Time Clients Will Not Sync To The NTP Server
SR and SC Series NTP Servers Help and Support: Network Time Clients Will Not Sync To The NTP Server Models that this article applies to: SR Series: SR7110, SR9210, SR9750, SR9850, SR9860D SC Series: SC7105, SC9205, SC9705 Summary There are a number of reasons why a network time client may not synchronize to a NTP […]
Lost or Forgotten Password
SR and SC Series NTP Servers Help and Support: Lost or Forgotten Password Models that this article applies to: SR Series: SR7110, SR9210, SR9750, SR9850, SR9860D SC Series: SC7105, SC9205, SC9705 Summary Lost or forgotten the administrative password ? It can be easily recovered with physical access to the device using the serial console lead. […]
Local Time Is Not Displayed
SR and SC Series NTP Servers Help and Support: Local Time Is Not Displayed Models that this article applies to: SR Series: SR7110, SR9210, SR9750, SR9850, SR9860D SC Series: SC7105, SC9205, SC9705 Summary The SR and SC series NTP servers operate using UTC time rather than local time – here’s why. Tips NTP always operates […]
Adding External NTP Server Reference Clocks
SR and SC Series NTP Servers Help and Support: Adding External NTP Server Reference Clocks Models that this article applies to: SR Series: SR9210, SR9750, SR9850, SR9860D SC Series: SC9205, SC9705 The SR and SC series of GPS-referenced NTP servers can utilise external NTP servers as additional reference clocks. External NTP servers can be added as either […]
Security Update: NTP Vulnerabilities – 5 January 2015
The NTP project (ntp.org) recently reported that current versions of the NTP distribution contain a number of security related issues. It reports that all NTP 4.x.x versions are affected. The vulnerabilities are specified by the following CVE-IDs: CVE-2014-9293 CVE-2014-9294 CVE-2014-9295 CVE-2014-9296. The specified vulnerabilities relate to the use of mode 6 and mode 7 packets […]
