[OpenIndiana-discuss] NTP trouble and 123 port

[Brogyányi József]

Gary and Bob

Thank you your configuration file. I'll have to modify my old OI or 
upgrade to the latest.

standard NTP query program - Ver. 4.2.5p200

> On Fri, Apr 25, 2014 at 11:15:31AM +0200, Jozsef Brogyanyi wrote:
>> I have trouble with 123 port. I wanted to set a NTP client not a server.
>> I received an e-mail my ISP with a complain. Someone use my server 123 port.
> I'll bounce you the message I sent to this mailing list in February.
> It explains how to avoid the NTP amplification exploit that your ISP
> complained about.
>
>> My NTP settings is the next:
>>
>> cp /etc/inet/ntp.client /etc/inet/ntp.conf
>> nano /etc/inet/ntp.conf
>>
>> Insert these lines. May be the these are not good.
>>
>> server 0.hu.pool.ntp.org iburst
>> server 1.hu.pool.ntp.org iburst
>> server 2.hu.pool.ntp.org iburst
>> server 3.hu.pool.ntp.org iburst
> I don't know what `iburst' means, but `man ntpd' describes it
> partially.  I don't use it.
>
>> svcadm enable ntp
>> svcs ntp
>> svcs -x ntp
>> ntpq -p
>> How can I solve this problem if I need the NTP client?
> Here are the non-comment lines from my ntp.conf:
>
>   $ egrep -v '^#|^$' /etc/inet/ntp.conf
>   restrict default kod nomodify notrap nopeer noquery
>   restrict 192.168.0.0 mask 255.255.255.0 nomodify notrap nopeer
>   restrict 127.0.0.1
>   restrict -6 ::1
>   server 0.pool.ntp.org
>   server 1.pool.ntp.org
>   server 2.pool.ntp.org
>   server 3.pool.ntp.org
>   driftfile /var/ntp/ntp.drift
>   statsdir /var/ntp/ntpstats/
>   filegen peerstats file peerstats type day enable
>   filegen loopstats file loopstats type day enable
>
> You likely won't need the `192.168.0.0' line.  That's for my private
> network.
>
> It works:
>
>   $ ntpq -p
>        remote           refid      st t when poll reach   delay   offset  jitter
>   ==============================================================================
>   +time.netspectru 208.90.144.52    3 u  489  512  377   34.130    0.809   0.739
>   *penguin.hopcoun 209.51.161.238   2 u  140  512  377   31.145    0.683   1.324
>   -mongrel.ahem.ca 208.81.2.13      2 u  144  512  377   24.124   -9.238   4.130
>   +mirror.mountain 200.98.196.212   2 u  508  512  377   31.867    1.559   2.638
>