User's Guide

    Home > Introduction > Connecting to the Network > To Prevent Unauthorized Access from the Outside

    To Prevent Unauthorized Access from the Outside

    When connecting this machine to the network, use it in an environment protected by a firewall. In addition to that, we recommend that you set a private IP address for the IP address of this machine. If a private IP address is set, the machine can only be accessed by users on the local area network such as the corporate LAN, which prevents unauthorized access from the outside.

    When you must use a global IP address, be sure to install this machine in a firewall.

    Tips
    • An address in one of the following ranges is used for the private IP address.
      10.0.0.0 to 10.255.255.255
      172.16.0.0 to 172.31.255.255
      192.168.0.0 to 192.168.255.255

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