NTP No Server Suitable For Synchronization Foundntpdate - no server suitable for synchronization...

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NTP No Server Suitable For Synchronization Found


ntpdate - no server suitable for synchronization foundSecuring NTP: which method to use?ntpdate: no server suitable for synchronization foundWhen should NTPd broadcast/broadcastclient be used instead of client/server or peer modes?CentOS VM, NTP synchronization problemsNTP synchronization stays with no reachNTP client on CentOS 5 fails behind Cisco ASA firewallCentOS 7 ntpd not synchronize with AD domain controllerNTP Autokey IFF not working as expectedntpdate: no server suitable for synchronization found [NO FIREWALL]













0















I'm trying to set up an ntp server, and I can't query it. Whenever I try, I get this message:



 6 Mar 18:57:01 ntpdate[27050]: no server suitable for synchronization found


Here is my ntpd.conf file



# For more information about this file, see the man pages
# ntp.conf(5), ntp_acc(5), ntp_auth(5), ntp_clock(5), ntp_misc(5), ntp_mon(5).

driftfile /var/lib/ntp/drift

# Permit time synchronization with our time source, but do not
# permit the source to query or modify the service on this system.
restrict default 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
restrict ::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 1.time.nist.gov
server 3.pool.ntp.org

#broadcast 192.168.1.255 autokey # broadcast server
#broadcastclient # broadcast client
#broadcast 224.0.1.1 autokey # multicast server
#multicastclient 224.0.1.1 # multicast client
#manycastserver 239.255.254.254 # manycast server
#manycastclient 239.255.254.254 autokey # manycast client

# Enable public key cryptography.
#crypto

includefile /etc/ntp/crypto/pw

# 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

# Enable writing of statistics records.
#statistics clockstats cryptostats loopstats peerstats

# Disable the monitoring facility to prevent amplification attacks using ntpdc
# monlist command when default restrict does not include the noquery flag. See
# CVE-2013-5211 for more details.
# Note: Monitoring will not be disabled with the limited restriction flag.
disable monitor








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    I'm trying to set up an ntp server, and I can't query it. Whenever I try, I get this message:



     6 Mar 18:57:01 ntpdate[27050]: no server suitable for synchronization found


    Here is my ntpd.conf file



    # For more information about this file, see the man pages
    # ntp.conf(5), ntp_acc(5), ntp_auth(5), ntp_clock(5), ntp_misc(5), ntp_mon(5).

    driftfile /var/lib/ntp/drift

    # Permit time synchronization with our time source, but do not
    # permit the source to query or modify the service on this system.
    restrict default 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
    restrict ::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 1.time.nist.gov
    server 3.pool.ntp.org

    #broadcast 192.168.1.255 autokey # broadcast server
    #broadcastclient # broadcast client
    #broadcast 224.0.1.1 autokey # multicast server
    #multicastclient 224.0.1.1 # multicast client
    #manycastserver 239.255.254.254 # manycast server
    #manycastclient 239.255.254.254 autokey # manycast client

    # Enable public key cryptography.
    #crypto

    includefile /etc/ntp/crypto/pw

    # 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

    # Enable writing of statistics records.
    #statistics clockstats cryptostats loopstats peerstats

    # Disable the monitoring facility to prevent amplification attacks using ntpdc
    # monlist command when default restrict does not include the noquery flag. See
    # CVE-2013-5211 for more details.
    # Note: Monitoring will not be disabled with the limited restriction flag.
    disable monitor








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      I'm trying to set up an ntp server, and I can't query it. Whenever I try, I get this message:



       6 Mar 18:57:01 ntpdate[27050]: no server suitable for synchronization found


      Here is my ntpd.conf file



      # For more information about this file, see the man pages
      # ntp.conf(5), ntp_acc(5), ntp_auth(5), ntp_clock(5), ntp_misc(5), ntp_mon(5).

      driftfile /var/lib/ntp/drift

      # Permit time synchronization with our time source, but do not
      # permit the source to query or modify the service on this system.
      restrict default 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
      restrict ::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 1.time.nist.gov
      server 3.pool.ntp.org

      #broadcast 192.168.1.255 autokey # broadcast server
      #broadcastclient # broadcast client
      #broadcast 224.0.1.1 autokey # multicast server
      #multicastclient 224.0.1.1 # multicast client
      #manycastserver 239.255.254.254 # manycast server
      #manycastclient 239.255.254.254 autokey # manycast client

      # Enable public key cryptography.
      #crypto

      includefile /etc/ntp/crypto/pw

      # 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

      # Enable writing of statistics records.
      #statistics clockstats cryptostats loopstats peerstats

      # Disable the monitoring facility to prevent amplification attacks using ntpdc
      # monlist command when default restrict does not include the noquery flag. See
      # CVE-2013-5211 for more details.
      # Note: Monitoring will not be disabled with the limited restriction flag.
      disable monitor








      share







      New contributor




      Nate Powe is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.












      I'm trying to set up an ntp server, and I can't query it. Whenever I try, I get this message:



       6 Mar 18:57:01 ntpdate[27050]: no server suitable for synchronization found


      Here is my ntpd.conf file



      # For more information about this file, see the man pages
      # ntp.conf(5), ntp_acc(5), ntp_auth(5), ntp_clock(5), ntp_misc(5), ntp_mon(5).

      driftfile /var/lib/ntp/drift

      # Permit time synchronization with our time source, but do not
      # permit the source to query or modify the service on this system.
      restrict default 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
      restrict ::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 1.time.nist.gov
      server 3.pool.ntp.org

      #broadcast 192.168.1.255 autokey # broadcast server
      #broadcastclient # broadcast client
      #broadcast 224.0.1.1 autokey # multicast server
      #multicastclient 224.0.1.1 # multicast client
      #manycastserver 239.255.254.254 # manycast server
      #manycastclient 239.255.254.254 autokey # manycast client

      # Enable public key cryptography.
      #crypto

      includefile /etc/ntp/crypto/pw

      # 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

      # Enable writing of statistics records.
      #statistics clockstats cryptostats loopstats peerstats

      # Disable the monitoring facility to prevent amplification attacks using ntpdc
      # monlist command when default restrict does not include the noquery flag. See
      # CVE-2013-5211 for more details.
      # Note: Monitoring will not be disabled with the limited restriction flag.
      disable monitor






      centos ntp ntpd





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      Check out our Code of Conduct.








      share



      share






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      Check out our Code of Conduct.









      asked 8 mins ago









      Nate PoweNate Powe

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      New contributor




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      New contributor





      Nate Powe is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






      Nate Powe is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






















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