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Problema con DNS

Discussion in 'Discusión en Español' started by migarcia, Sep 11, 2014.

  1. migarcia

    migarcia Well-Known Member

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    Hola:
    Tiempo atras puse una pregunta semejante, pero nadie la contesto, por lo que vuelvo a probar suerte:
    Tengo un VPScon Centos 5 y cPanel, y no demasiados recursos, es por eso que me preocupa la cantidad de mensajes que aparecen en el log de:
    Code:
    connection refused resolving '152.71.177.128.in-addr.arpa/PTR/IN': 69.26.164.35#53: 2 Time(s)
        connection refused resolving '177.96.208.173.in-addr.arpa/PTR/IN': 173.234.140.58#53: 1 Time(s)
        connection refused resolving '18.215.57.210.in-addr.arpa/PTR/IN': 210.57.216.2#53: 1 Time(s)
        connection refused resolving '200.4.220.31.in-addr.arpa/PTR/IN': 31.220.4.200#53: 1 Time(s)
        connection refused resolving '200.7.220.31.in-addr.arpa/PTR/IN': 31.220.4.200#53: 1 Time(s)
        connection refused resolving '22.254.180.199.in-addr.arpa/PTR/IN': 199.180.254.22#53: 1 Time(s)
        connection refused resolving '237.255.180.199.in-addr.arpa/PTR/IN': 199.180.254.22#53: 1 Time(s
    .....
        host unreachable resolving '171.20.118.182.in-addr.arpa/PTR/IN': 202.102.224.94#53: 1 Time(s)
        host unreachable resolving '171.20.118.182.in-addr.arpa/PTR/IN': 202.102.227.94#53: 1 Time(s)
        host unreachable resolving '172.20.118.182.in-addr.arpa/PTR/IN': 202.102.224.94#53: 1 Time(s)
        host unreachable resolving '172.20.118.182.in-addr.arpa/PTR/IN': 202.102.227.94#53: 1 Time(s)
        host unreachable resolving '173.20.118.182.in-addr.arpa/PTR/IN': 202.102.224.94#53: 1 Time(s)
        host unreachable resolving '173.20.118.182.in-addr.arpa/PTR/IN': 202.102.227.94#53: 1 Time(s)
        host unreachable resolving '174.20.118.182.in-addr.arpa/PTR/IN': 202.102.224.94#53: 1 Time(s)
        host unreachable resolving '174.20.118.182.in-addr.arpa/PTR/IN': 202.102.227.94#53: 1 Time(s)
        host unreachable resolving '175.20.118.182.in-addr.arpa/PTR/IN': 202.102.224.94#53: 1 Time(s)
        host unreachable resolving '175.20.118.182.in-addr.arpa/PTR/IN': 202.102.227.94#53: 1 Time(s)
        host unreachable resolving '179.230.42.62.zen.spamhaus.org/A/IN': 87.106.247.104#53: 1 Time(s)
        host unreachable resolving '182.40.46.125.in-addr.arpa/PTR/IN': 202.102.224.94#53: 1 Time(s)
        host unreachable resolving '182.40.46.125.in-addr.arpa/PTR/IN': 202.102.227.94#53: 1 Time(s)
        host unreachable resolving '19.40.46.125.in-addr.arpa/PTR/IN': 202.102.224.94#53: 1 Time(s)
        host unreachable resolving '19.40.46.125.in-addr.arpa/PTR/IN': 202.102.227.94#53: 1 Time(s)
    ...
        host unreachable resolving 'zt.piotrkow.tpsa.pl/A/IN': 80.50.50.100#53: 1 Time(s)
        host unreachable resolving 'zt.piotrkow.tpsa.pl/A/IN': 80.50.50.150#53: 1 Time(s)
        host unreachable resolving 'zt.piotrkow.tpsa.pl/A/IN': 80.50.50.200#53: 1 Time(s)
    
    Solo es un ejemplo, aparecen algunos cientos mas, y no se como evitar ese trafico. Se supone que mi DNS solo deberia preocuparse de mis sites....¿Es normal este trafico?, ¿puedo evitarlo? ¿Como!?
     
    #1 migarcia, Sep 11, 2014
    Last edited by a moderator: Sep 11, 2014
  2. cPanelMichael

    cPanelMichael Forums Analyst
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    Hello :)

    Feel free to submit a ticket so we can take a closer look:

    Submit A Ticket

    You can post the ticket number here, and we can update this thread with the outcome.

    Thank you.

    Translation:

    Hola :)

    No dude en enviar un ticket para que podamos tomar una mirada más cercana:

    Submit A Ticket

    Puede publicar el número de entradas aquí, y podemos actualizar este hilo con el resultado.

    Gracias.
     
  3. migarcia

    migarcia Well-Known Member

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    He abierto ticket 5451255
     
  4. migarcia

    migarcia Well-Known Member

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    Al parecer, y en mi caso concreto, el error se produce porque Fail2ban bloquea una dirección por repetidos ataques, y luego intenta informar de la dirección bloqueada a quien pertenece......
    He deshabilitado la búsqueda de whois en los action de fail2ban...veremos como va el tema....
     
  5. cPanelMichael

    cPanelMichael Forums Analyst
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    Thank you for taking the time to update this thread with the outcome. I am happy to see the issue is now resolved.

    Translation:

    Gracias por tomarse el tiempo para actualizar este hilo con el resultado que usted. Estoy feliz de ver el problema ya se ha resuelto.
     
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