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  1. ZABBIX BUGS AND ISSUES
  2. ZBX-20575

failed to accept an incoming connection: from xx.xx.xx.xx: reading first byte from connection failed: [0x00002746]

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Details

    • Incident report
    • Status: Need info
    • Trivial
    • Resolution: Unresolved
    • 5.4.10
    • None
    • Agent2 plugin (N)
    • None

    Description

      Steps to reproduce:

      Our Windows support team installed the zabbix agent using the msi, i do not know what options were used during the MSI, but a post configuration was done and the below was set

      1. Zabbix agent2 installed as 5.4.3 configured with below options
        1. Server=${ZABBIX_SERVER}
        2. ServerActive=${ZABBIX_SERVER}
        3. Hostname=$(hostname -s)
      2. Still no luck so added
        1. TLSConnect=unencrypted
        2. TLSConnect=unencrypted

      Now i had the team uninstall the zabbix agent and reboot the server, once done i performed the install and didnt select PSK, it is possible that was selected previously but i cannot get confirmation on that.

      Active monitoring is working 100%, but passive is not, the 10050 port is open as per the nmap from the server/proxy. So i am confused as to why. This is happening on 2 of the machines out of 10 that i am testing against.

       

      Host is up (0.14s latency).

      PORT      STATE SERVICE
      10050/tcp open  zabbix-agent

       

      Issue:

      zabbix_get command from server/proxy

      zabbix_get [97653]: Get value error: ZBX_TCP_READ() failed: [104] Connection reset by peer
      zabbix_get [97653]: Check access restrictions in Zabbix agent configuration

       

      Zabbix Agent logs

      failed to accept an incoming connection: from xx.xx.xx.xx: reading first byte from connection failed: [0x00002746] An existing connection was forcibly closed by the remote host.

      Expected:
      Response

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            zalex_ua Oleksii Zagorskyi
            colum.flannigan@omegasrvshn.com Colum Flannigan
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            Dates

              Created:
              Updated: