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no active checks on server [172.16.7.244:10051]: host [RSWS001] not found

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  • rspl
    Junior Member
    • Jun 2020
    • 2
    #1

    no active checks on server [172.16.7.244:10051]: host [RSWS001] not found

    Hello

    I am using centos 8 for Zabbix server.
    My server configuration is as below.

    server IP : 172.16.7.244
    Hostname : RSMT001.rishabh.com

    /etc/zabbix/zabbix/zabbix_server.conf
    ListenPort=10051
    DBHost=localhost
    DBName=zabbix
    DBUser=zabbix
    DBPassword=******

    Server Side agent configuration (RSMT001)

    /etc/zabbix/zabbix_agentd.conf

    ListenPort=10050
    Server=172.16.7.244
    ServerActive=172.16.7.244
    Hostname=RSMT001.rishabh.com

    Client side configuration : (RSWS001)

    /etc/zabbix/zabbix_agentd.conf

    ListenPort=10050
    Server=172.16.7.244
    ServerActive=172.16.7.244
    Hostname=RSMT001.rishabh.com

    10050 AND 10051 PORTS ARE OPENED UP AT FIREWALL END ON BOTH SERVER AND CLIENT.

    However, hosts are adding at server side but server getting no information.Then, checked logs so I have found below messages.

    SERVER SIDE

    /var/log/zabbix/zabbix_server.log

    46314:20200627:201343.455 cannot send list of active checks to "172.16.7.36": host [rsmt001.rishabh.com] not found
    46314:20200627:201352.433 cannot send list of active checks to "172.16.7.244": host [RSMT001.rishabh.com] not found
    46314:20200627:201355.792 cannot send list of active checks to "172.16.7.242": host [RSWS001] not found
    46314:20200627:201543.483 cannot send list of active checks to "172.16.7.36": host [rsmt001.rishabh.com] not found
    46314:20200627:201552.450 cannot send list of active checks to "172.16.7.244": host [RSMT001.rishabh.com] not found
    46314:20200627:201555.826 cannot send list of active checks to "172.16.7.242": host [RSWS001] not found
    46314:20200627:201743.519 cannot send list of active checks to "172.16.7.36": host [rsmt001.rishabh.com] not found
    46314:20200627:201752.474 cannot send list of active checks to "172.16.7.244": host [RSMT001.rishabh.com] not found
    46314:20200627:201755.852 cannot send list of active checks to "172.16.7.242": host [RSWS001] not found


    /var/log/zabbix/zabbix_agentd.log

    46678:20200627:201446.789 failed to accept an incoming connection: connection from "127.0.0.1" rejected, allowed hosts: "172.16.7.244"
    46678:20200627:201546.799 failed to accept an incoming connection: connection from "127.0.0.1" rejected, allowed hosts: "172.16.7.244"
    46681:20200627:201552.450 no active checks on server [172.16.7.244:10051]: host [RSMT001.rishabh.com] not found

    CLIENT SIDE

    4511:20200627:195252.643 no active checks on server [172.16.7.244:10051]: host [RSWS001] not found
    4511:20200627:195452.670 no active checks on server [172.16.7.244:10051]: host [RSWS001] not found
    4511:20200627:195652.698 no active checks on server [172.16.7.244:10051]: host [RSWS001] not found
    4511:20200627:195852.726 no active checks on server [172.16.7.244:10051]: host [RSWS001] not found

    Ping Status :

    client side :

    [root@RSWS001 zabbix]# ping rsmt001.rishabh.com
    PING RSMT001.rishabh.com (172.16.7.244) 56(84) bytes of data.
    64 bytes from RSMT001.rishabh.com (172.16.7.244): icmp_seq=1 ttl=64 time=1.17 ms
    64 bytes from RSMT001.rishabh.com (172.16.7.244): icmp_seq=2 ttl=64 time=1.89 ms
    64 bytes from RSMT001.rishabh.com (172.16.7.244): icmp_seq=3 ttl=64 time=1.28 ms
    64 bytes from RSMT001.rishabh.com (172.16.7.244): icmp_seq=4 ttl=64 time=2.84 ms
    ^C
    --- RSMT001.rishabh.com ping statistics ---
    4 packets transmitted, 4 received, 0% packet loss, time 3004ms
    rtt min/avg/max/mdev = 1.179/1.800/2.843/0.660 ms

    Server Side :

    [root@RSMT001 ~]# ping rsws001.rishabh.com
    PING RSWS001.rishabh.com (172.16.7.242) 56(84) bytes of data.
    64 bytes from RSWS001.rishabh.com (172.16.7.242): icmp_seq=1 ttl=64 time=1.57 ms
    64 bytes from RSWS001.rishabh.com (172.16.7.242): icmp_seq=2 ttl=64 time=1.49 ms
    64 bytes from RSWS001.rishabh.com (172.16.7.242): icmp_seq=3 ttl=64 time=2.12 ms
    64 bytes from RSWS001.rishabh.com (172.16.7.242): icmp_seq=4 ttl=64 time=1.05 ms
    64 bytes from RSWS001.rishabh.com (172.16.7.242): icmp_seq=5 ttl=64 time=2.03 ms
    ^C
    --- RSWS001.rishabh.com ping statistics ---
    5 packets transmitted, 5 received, 0% packet loss, time 4005ms
    rtt min/avg/max/mdev = 1.059/1.657/2.121/0.386 ms
    [root@RSMT001 ~]#


    STILL GETTING ERROR PLEASE HELP ME ON THIS.
    Tags: None
    • rspl
      Junior Member
      • Jun 2020
      • 2
      #2
      Thanks for the comment "splitek"

      Now let me know what should I modify in the configuration setting. ?

        Comment

        • Atsushi
          Senior Member
          • Aug 2013
          • 2028
          #3
          Match the host information registered with Zabbix frontend and the settings of zabbix_agentd.conf on the monitoring target. First, is the name of the host registered on the frontend and the value of Hostname in zabbix_agentd.conf the same? Does the case match and whether the domain name exists?

          The following error may be output because 127.0.0.1 is specified as the IP address of the host registered in the front end.
          46678:20200627:201446.789 failed to accept an incoming connection: connection from "127.0.0.1" rejected, allowed hosts: "172.16.7.244"

            Comment

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