On 21/05/07, Jacob (=Jouk) Jansen <joukj@xxxxxxxxxxxxxxxxxxxx> wrote:
This problem seems testing with ip lookup. I got ip addresses of 0.pool.ntp.org from another cable network (dig 0.pool.ntp.org). After add one of ip addresses of 0.pool.ntp.org to /etc/hosts. the ntpd server was contacted and time sync -ed. I guess this has something to do with ISP.
hope this help.
Manuel Arostegui Ramirez wrote on 20-MAY-2007 09:09:41.88
>El Domingo, 20 de Mayo de 2007 03:01, Lux Zhang escribió:
>> Hi
>> I tried to used ntpd to sync time, but always got a failure error:
>>
>> [root@home]# /sbin/service ntpd restart
>> Shutting down ntpd: [ OK ]
>> ntpd: Synchronizing with time server: [FAILED]
>> Starting ntpd: [ OK ]
>>
>> how to fix this?
>>
>>
>> the conf file reads as
>>
>> # Permit time synchronization with our time source, but do not
>> # permit the source to query or modify the service on this system.
>> restrict default kod nomodify notrap nopeer noquery
>>
>> # Permit all access over the loopback interface. This could
>> # be tightened as well, but to do so would effect some of
>> # the administrative functions.
>> restrict 127.0.0.1
>>
>> # Hosts on local network are less restricted.
>> #restrict 192.168.1.0 mask 255.255.255.0 nomodify notrap
>>
>> # Use public servers from the pool.ntp.org project.
>> # Please consider joining the pool (http://www.pool.ntp.org/join.html).
>> server 0.pool.ntp.org
>> server 1.pool.ntp.org
>> server 2.pool.ntp.org
>> server asia.pool.ntp.org
>> server 0.fedora.pool.ntp.org
>> server 1.fedora.pool.ntp.org
>> server 2.fedora.pool.ntp.org
>>
>> #broadcast 192.168.1.255 key 42 # broadcast server
>> #broadcastclient # broadcast client
>> #broadcast 224.0.1.1 key 42 # multicast server
>> #multicastclient 224.0.1.1 # multicast client
>> #manycastserver 239.255.254.254 # manycast server
>> #manycastclient 239.255.254.254 key 42 # manycast client
>>
>> # Undisciplined Local Clock. This is a fake driver intended for backup
>> # and when no outside source of synchronized time is available.
>> fudge 127.127.1.0 stratum 10
>>
>> # Drift file. Put this in a directory which the daemon can write to.
>> # No symbolic links allowed, either, since the daemon updates the file
>> # by creating a temporary in the same directory and then rename()'ing
>> # it to the file.
>> driftfile /var/lib/ntp/drift
>>
>> # Key file containing the keys and key identifiers used when operating
>> # with symmetric key cryptography.
>> keys /etc/ntp/keys
>>
>> # Specify the key identifiers which are trusted.
>> #trustedkey 4 8 42
>>
>> # Specify the key identifier to use with the ntpdc utility.
>> #requestkey 8
>>
>> # Specify the key identifier to use with the ntpq utility.
>> #controlkey 8
>> server 127.127.1.0
>> restrict 0.pool.ntp.org mask 255.255.255.255 nomodify notrap noquery
>> restrict 1.pool.ntp.org mask 255.255.255.255 nomodify notrap noquery
>> restrict 2.pool.ntp.org mask 255.255.255.255 nomodify notrap noquery
>> restrict asia.pool.ntp.org mask 255.255.255.255 nomodify notrap noquery
>>
>
>Some kind of firewall blocking that connection?
Got the same on some (NOTE: not all, although ntp is configured in exactly
the same way) of my machines. The problem started probably after some update
(which??). I already tested switching off the firewall on the machine, but
it did not help.
This problem seems testing with ip lookup. I got ip addresses of 0.pool.ntp.org from another cable network (dig 0.pool.ntp.org). After add one of ip addresses of 0.pool.ntp.org to /etc/hosts. the ntpd server was contacted and time sync -ed. I guess this has something to do with ISP.
hope this help.
Jouk
Bush : All votes are equal but some votes are more equal than others.
>------------------------------------------------------------------------------<
Jouk Jansen
joukj@xxxxxxxxxxxxxxxxxxxx
Technische Universiteit Delft tttttttttt uu uu ddddddd
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tel. 31-15-2782272 tt uuuuuuu ddddddd
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