Useful ‘FirewallD’ Rules to Configure and Manage Firewall in Linux

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Babin Lonston

I'm Working as a System Administrator for last 10 year's with 4 years experience with Linux Distributions, fall in love with text based operating systems.

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6 Responses

  1. Oppa says:

    Is it possible to add networks like

  2. Orion Poplawski says:

    Note that fail2ban does not monitor any services by default, so simply installing it will achieve nothing without configuring it.

  3. Christian Francis says:

    Observo que se hace referencia al bloqueo de un IP pero lo único que se bloquea es el acceso a servidor sin embargo pueden navegar al internet usando como puerta de enlace el servidor.

    ¿ Cuál sería la forma de bloquear un IP para que no navegue a través del servidor?.


    I note that referred to the blockade of IP, but the only thing that is blocking access to server but can browse the internet using Gateway as the server.

    What would be the way to block an IP to not navigate through the server ?.

  4. ibon says:

    Thanks a million for your really great tutorials.
    Although I am having a problem blocking ICMP . I get ‘yes’‘, that means there is a icmp block applied, and it’s enabled. However, when I –zone e=external –list-all there are no entries for icmp-blocks: (empty).
    Using Fedora 21 Workstation. Thanks again for your invaluable articles.

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