trouble setting timezone for ukraine
Alexander Kapshuk
alexander.kapshuk at gmail.com
Sat Nov 5 08:10:51 UTC 2011
On 11/05/11 10:06, Matthew Seaman wrote:
> On 05/11/2011 07:48, Alexander Kapshuk wrote:
>> i'm not sure i clearly understand what has to be done to make the ntp
>> server on my system to be inaccessible to anyone but me.
>>
>> a sample /etc/ntp.conf would be appreciated.
>>
> You need the 'restrict' keyword to control access to ntpd -- add a block
> something like this to the beginning of ntp.conf:
>
> restrict default nomodify nopeer noquery notrap # everyone can go away...
> restrict -6 default nomodify nopeer noquery notrap
> restrict 127.0.0.1 # except me ...
> restrict -6 ::1
> restrict 81.187.76.160 mask 255.255.255.248 nomodify notrap nopeer # or
> the local net
> restrict -6 2001:8b0:151:1:: mask ffff:ffff:ffff:ffff:: nomodify notrap
> nopeer
>
> Except, obviously, replace the network addresses and netmasks in the
> last two lines with appropriate settings for your environment. See
> ntp.conf(5). Note these restrictions apply to outgoing as well as
> incoming queries, so you can block your own access to NTP servers on the
> net if not careful.
>
> Cheers,
>
> Matthew
>
understood. thanks.
sasha
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