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    For Cloud Servers, Virtual Server Cloud, Dedicated Servers and Server Power Deals managed in the Cloud Panel

    How to create a firewall policy to allow certain types of network traffic:

    • Log in to your IONOS account.
    • Click Menu > Server & Cloud in the title bar.
      Optional: Select the desired Server & Cloud contract.

      The Cloud Panel opens.

    • Click Network > Firewall policies in the navigation bar on the left.
    • Click on Create.
    • Enter the desired name for the firewall policy.
    • In the Configuration area, you can create customized or predefined firewall rules:

      Individual Firewall Rule

      Allowed IP: Enter the desired IP address for which access should be allowed. Alternatively, you can enter a desired IP address range in the following format: 217.12.1.5-217.12.1.128

      Protocol: Select the desired protocol.

      Port(s): Enter the desired port. Alternatively, you can enter a port range or several ports. To create a rule for a port range, enter the lower and upper range values. Separate these values with a hyphen. Example: 4000-5000. To create a separate firewall rule for several ports, enter the desired ports with a comma to separate them.

      Description: Enter a description for the firewall rule.

      Predefined firewall rule

      To add a predefined rule, click on Insert default values. Then select the rule you want and adjust it manually if necessary. Some of the available rules are listed below:

      • Block all ports: Blocks all incoming ports of the server.
      • Open all ports: Opens all incoming ports of the server.
      • HTTP: Opens port 80 for incoming requests.
      • HTTPS: Opens port 443 for incoming requests.
      • POP3 SSL: Opens port 995 for incoming requests.
      • -: Opens port 993 for incoming requests.

      To save a new firewall rule, click on  .

      To reset a firewall rule, click on .

      To delete a firewall rule, click on .

    Note

    For security reasons, SMTP port 25 (outgoing) is blocked. If you would like to unblock the SMTP port, please contact customer service.

    • Click on Create  to create the Firewall Policy.

    The firewall policy has been created.

    As soon as the firewall policy is active, you can add a server.