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cannot send proxy data to server at "0.0.0.0": empty string received

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  • salai
    Junior Member
    • Nov 2020
    • 27

    #1

    cannot send proxy data to server at "0.0.0.0": empty string received

    Hi People,
    ------------------------------------------------------
    Version
    zabbix_server (Zabbix) 5.0.0 - This is on our internal network

    zabbix_proxy (Zabbix) 5.0.0 - Proxy is on the customer network and it is connecting via
    ------------------------------------------------------

    Telnet from Proxy to Zabbix Server works fine

    [[email protected] ~]# telnet Zabbix_server 10051
    Trying X.X.X.X...
    Connected to zmonitor.fusion5.com.au.
    Escape character is '^]'.
    ------------------------------------------------------
    But the telnet from Server to Proxy not working due to restriction at the customer network, However, I expect the proxy send data to Server
    ------------------------------------------------------


    I am getting this error in Zabbix Proxy

    29868:20210106:164720.915 received configuration data from server at "X.X.X.X", datalen 641335
    29876:20210106:170651.288 cannot send proxy data to server at "X.X.X.X": ZBX_TCP_READ() timed out
    29876:20210106:170654.253 cannot send proxy data to server at "X.X.X.X": empty string received
    29876:20210106:170656.416 cannot send proxy data to server at "X.X.X.X": empty string received
    29876:20210106:170658.584 cannot send proxy data to server at "X.X.X.X": "


    And on the Server,


    7836:20210107:102750.071 Message from X.X.X.X is shorter than expected 199193 bytes. Message ignored.
    27834:20210107:102752.232 Message from X.X.X.X is shorter than expected 199195 bytes. Message ignored.
    27833:20210107:102754.378 Message from X.X.X.X is shorter than expected 199201 bytes. Message ignored.
    27832:20210107:102756.541 Message from X.X.X.X is shorter than expected 199204 bytes. Message ignored.
    27836:20210107:102758.709 Message from X.X.X.X is shorter than expected 199206 bytes. Message ignored.

    Is there any advice on further troubleshooting?

    Cheers
    Salai
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