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Posted: Feb 15 2012, 05:15 AM
Member No.: 224
Joined: 28-May 11
OpenNTPD is a free, easy to use implementation of the Network Time Protocol. It provides the ability to sync the local clock to remote NTP servers and can act as NTP server itself, redistributing the local clock.
OpenNTPD is primarily developed as part of the OpenBSD Project. Its design goals include being secure (non-exploitable), easy to configure, accurate enough for most purposes and with source code that can be distributed under a BSD license.
I packaged this one up as alternative to the NTPD included with SL6/RHEL6, since I much prefer OpenNTPD, it is much easier to configure, allows binding to specific IP addresses (rather than all interfaces, as NTPD does), is known to be very secure (OpenBSD is well renowned for it's focus on security) and has always worked reliably on all PCs where I have used it.
As part of it's security measures OpenNTPD runs chrooted as unpriviledged 'ntp' user by default.
In its default configuration OpenNTPD purely acts as a NTP client (without listening on any network port), while with a simple config change in /etc/ntpd.conf it can work as a local NTP time server for other PCs too.
If you decide to use it, I also suggest you change the NTP servers used in /etc/ntpd.conf to a pool local to your country (for example 'us.pool.ntp.org' if you live in the USA, see: http://www.pool.ntp.org/zone/@ )
To install the OpenNTPD package you need to uninstall the 'ntp' and 'ntpdate' packages first!
The package is available in my repo (see link below) for both 32 bit and 64 bit platforms.
OpenNTPD home page: http://www.openntpd.org/
Please report any issues, problems, bugs or comments with regards to this package preferably here in this thread or alternatively you can email me directly at the address you find in the package header.