On 2015-03-01, catherine.wei1...@gmail.com <catherine.wei1...@gmail.com> wrote: > On Saturday, February 28, 2015 at 4:25:02 PM UTC+8, Jan Ceuleers wrote: >> On 28/02/15 08:48, catherine.wei1...@gmail.com wrote: >> > I still have a doubt: the key file is generated on my PC (as the first ntp >> > server) , when I copied it to the box(client), and I changed the box's ntp >> > server to a second server "3.cn.pool.ntp.org" or some other ntp servers. >> > The authentication still passes. Why is that? >> >> ntpq talks directly to the ntpd process over the network. If you run >> ntpq without specifying where the server is located it talks to ntpd on >> localhost. Which time sources ntpd uses is immaterial. > > > Hi, Jan > I specified the ntp server "3.cn.pool.ntp.org" in the /etc/ntp.conf file. In > this case, I run ntpq :config ... , does it still talk to ntpd on localhost > ? and time sources is still "3.cn.pool.ntp.org" ?
3.cn.pool.npt.org is not an ntp time source. It is a dummy name, which is filled in by pool.ntp.org. For example every time you ping that a different address comes up ping -c 1 3.cn.pool.ntp.org PING 3.cn.pool.ntp.org (202.112.10.36) 56(84) bytes of data. ping -c 1 3.cn.pool.ntp.org PING 3.cn.pool.ntp.org (202.112.31.197) 56(84) bytes of data. ping -c 1 3.cn.pool.ntp.org PING 3.cn.pool.ntp.org (202.118.1.81) 56(84) bytes of data. Thus there is no time source "3.cn.pool.ntp.org" ( or to be exact, there are many) _______________________________________________ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions
